GenomeNet

Database: PDB
Entry: 3QZ1
LinkDB: 3QZ1
Original site: 3QZ1 
HEADER    OXIDOREDUCTASE                          04-MAR-11   3QZ1              
TITLE     CRYSTAL STRUCTURE OF BOVINE STEROID OF 21-HYDROXYLASE (P450C21)       
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: STEROID 21-HYDROXYLASE;                                    
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 SYNONYM: 21-OHASE, CYTOCHROME P-450C21, CYTOCHROME P450 21,          
COMPND   5 CYTOCHROME P450 XXI, CYTOCHROME P450-C21;                            
COMPND   6 EC: 1.14.99.10;                                                      
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_COMMON: BOVINE,COW,DOMESTIC CATTLE,DOMESTIC COW;            
SOURCE   4 ORGANISM_TAXID: 9913;                                                
SOURCE   5 GENE: CYP21, CYP21A1;                                                
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 668369;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: DH5[ALPHA];                                
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PCWORI                                    
KEYWDS    P450 MONOOXYGENASE, 21-HYDROXYLASE, OXIDOREDUCTASE                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.ZHAO,M.R.WATERMAN                                                   
REVDAT   3   21-FEB-24 3QZ1    1       REMARK SEQADV                            
REVDAT   2   08-NOV-17 3QZ1    1       REMARK                                   
REVDAT   1   18-JAN-12 3QZ1    0                                                
JRNL        AUTH   B.ZHAO,L.LEI,M.SUNDARAMOORTHY,N.KAGAWA,M.R.WATERMAN          
JRNL        TITL   CRYSTAL STRUCTURE OF BOVINE STEROID OF 21-HYDROXYLASE        
JRNL        TITL 2 (P450C21)                                                    
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1541.0                         
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 92.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 46235                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.282                           
REMARK   3   FREE R VALUE                     : 0.297                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.300                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 4666                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 10                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 3.00                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 3.11                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 81.30                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 3697                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.4024                       
REMARK   3   BIN FREE R VALUE                    : 0.4702                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 370                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 14064                                   
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 364                                     
REMARK   3   SOLVENT ATOMS            : 97                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 119.1                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.35200                                              
REMARK   3    B22 (A**2) : -0.51400                                             
REMARK   3    B33 (A**2) : 0.16200                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.00800                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.54                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.010                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.508                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : 139.6                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3QZ1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-MAR-11.                  
REMARK 100 THE DEPOSITION ID IS D_1000064282.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 06-FEB-11; 10-NOV-10               
REMARK 200  TEMPERATURE           (KELVIN) : 100; 100                           
REMARK 200  PH                             : 7.4                                
REMARK 200  NUMBER OF CRYSTALS USED        : 2                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y; Y                               
REMARK 200  RADIATION SOURCE               : APS; APS                           
REMARK 200  BEAMLINE                       : 21-ID-G; 22-ID                     
REMARK 200  X-RAY GENERATOR MODEL          : NULL; NULL                         
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M; M                               
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97; 1.5                          
REMARK 200  MONOCHROMATOR                  : SI 111 CHANNEL; GRAPHITE           
REMARK 200  OPTICS                         : NULL; NULL                         
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE; IMAGE PLATE           
REMARK 200  DETECTOR MANUFACTURER          : MAR SCANNER 300 MM PLATE; MAR      
REMARK 200                                   SCANNER 300 MM PLATE               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 47687                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.0                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.09200                            
REMARK 200  R SYM                      (I) : 0.06500                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 4.5000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.03                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.53900                            
REMARK 200  R SYM FOR SHELL            (I) : 0.67200                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.210                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; SINGLE WAVELENGTH           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 56.57                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.83                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 3350, TACSIMATE, PH 7.4, VAPOR       
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 295K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-Z                                             
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       83.99900            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3, 4                                              
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 4                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: D                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     VAL A     2                                                      
REMARK 465     LEU A     3                                                      
REMARK 465     ALA A     4                                                      
REMARK 465     GLY A     5                                                      
REMARK 465     LEU A     6                                                      
REMARK 465     LEU A     7                                                      
REMARK 465     LEU A     8                                                      
REMARK 465     LEU A     9                                                      
REMARK 465     LEU A    10                                                      
REMARK 465     THR A    11                                                      
REMARK 465     LEU A    12                                                      
REMARK 465     LEU A    13                                                      
REMARK 465     ALA A    14                                                      
REMARK 465     GLY A    15                                                      
REMARK 465     ALA A    16                                                      
REMARK 465     HIS A    17                                                      
REMARK 465     LEU A    18                                                      
REMARK 465     LEU A    19                                                      
REMARK 465     TRP A    20                                                      
REMARK 465     GLY A    21                                                      
REMARK 465     ARG A    22                                                      
REMARK 465     TRP A    23                                                      
REMARK 465     LYS A    24                                                      
REMARK 465     LEU A    25                                                      
REMARK 465     ARG A    26                                                      
REMARK 465     ASN A    27                                                      
REMARK 465     LEU A    28                                                      
REMARK 465     GLY A   131                                                      
REMARK 465     THR A   132                                                      
REMARK 465     GLU A   269                                                      
REMARK 465     GLU A   270                                                      
REMARK 465     GLY A   271                                                      
REMARK 465     PRO A   272                                                      
REMARK 465     GLY A   273                                                      
REMARK 465     GLU A   410                                                      
REMARK 465     PRO A   411                                                      
REMARK 465     GLY A   412                                                      
REMARK 465     GLY A   484                                                      
REMARK 465     VAL A   485                                                      
REMARK 465     GLU A   486                                                      
REMARK 465     ALA A   487                                                      
REMARK 465     GLY A   488                                                      
REMARK 465     ALA A   489                                                      
REMARK 465     TRP A   490                                                      
REMARK 465     GLU A   491                                                      
REMARK 465     SER A   492                                                      
REMARK 465     ALA A   493                                                      
REMARK 465     SER A   494                                                      
REMARK 465     ALA A   495                                                      
REMARK 465     GLN A   496                                                      
REMARK 465     MET B     1                                                      
REMARK 465     VAL B     2                                                      
REMARK 465     LEU B     3                                                      
REMARK 465     ALA B     4                                                      
REMARK 465     GLY B     5                                                      
REMARK 465     LEU B     6                                                      
REMARK 465     LEU B     7                                                      
REMARK 465     LEU B     8                                                      
REMARK 465     LEU B     9                                                      
REMARK 465     LEU B    10                                                      
REMARK 465     THR B    11                                                      
REMARK 465     LEU B    12                                                      
REMARK 465     LEU B    13                                                      
REMARK 465     ALA B    14                                                      
REMARK 465     GLY B    15                                                      
REMARK 465     ALA B    16                                                      
REMARK 465     HIS B    17                                                      
REMARK 465     LEU B    18                                                      
REMARK 465     LEU B    19                                                      
REMARK 465     TRP B    20                                                      
REMARK 465     GLY B    21                                                      
REMARK 465     ARG B    22                                                      
REMARK 465     TRP B    23                                                      
REMARK 465     LYS B    24                                                      
REMARK 465     LEU B    25                                                      
REMARK 465     ARG B    26                                                      
REMARK 465     ASN B    27                                                      
REMARK 465     LEU B    28                                                      
REMARK 465     GLY B   131                                                      
REMARK 465     THR B   132                                                      
REMARK 465     ARG B   133                                                      
REMARK 465     SER B   134                                                      
REMARK 465     GLY B   264                                                      
REMARK 465     ARG B   265                                                      
REMARK 465     GLN B   266                                                      
REMARK 465     ARG B   267                                                      
REMARK 465     VAL B   268                                                      
REMARK 465     GLU B   269                                                      
REMARK 465     GLU B   270                                                      
REMARK 465     GLY B   271                                                      
REMARK 465     PRO B   272                                                      
REMARK 465     GLY B   273                                                      
REMARK 465     GLY B   327                                                      
REMARK 465     ALA B   328                                                      
REMARK 465     SER B   329                                                      
REMARK 465     CYS B   330                                                      
REMARK 465     SER B   331                                                      
REMARK 465     GLY B   484                                                      
REMARK 465     VAL B   485                                                      
REMARK 465     GLU B   486                                                      
REMARK 465     ALA B   487                                                      
REMARK 465     GLY B   488                                                      
REMARK 465     ALA B   489                                                      
REMARK 465     TRP B   490                                                      
REMARK 465     GLU B   491                                                      
REMARK 465     SER B   492                                                      
REMARK 465     ALA B   493                                                      
REMARK 465     SER B   494                                                      
REMARK 465     ALA B   495                                                      
REMARK 465     GLN B   496                                                      
REMARK 465     MET C     1                                                      
REMARK 465     VAL C     2                                                      
REMARK 465     LEU C     3                                                      
REMARK 465     ALA C     4                                                      
REMARK 465     GLY C     5                                                      
REMARK 465     LEU C     6                                                      
REMARK 465     LEU C     7                                                      
REMARK 465     LEU C     8                                                      
REMARK 465     LEU C     9                                                      
REMARK 465     LEU C    10                                                      
REMARK 465     THR C    11                                                      
REMARK 465     LEU C    12                                                      
REMARK 465     LEU C    13                                                      
REMARK 465     ALA C    14                                                      
REMARK 465     GLY C    15                                                      
REMARK 465     ALA C    16                                                      
REMARK 465     HIS C    17                                                      
REMARK 465     LEU C    18                                                      
REMARK 465     LEU C    19                                                      
REMARK 465     TRP C    20                                                      
REMARK 465     GLY C    21                                                      
REMARK 465     ARG C    22                                                      
REMARK 465     TRP C    23                                                      
REMARK 465     LYS C    24                                                      
REMARK 465     LEU C    25                                                      
REMARK 465     ARG C    26                                                      
REMARK 465     ASN C    27                                                      
REMARK 465     LEU C    28                                                      
REMARK 465     GLY C   131                                                      
REMARK 465     THR C   132                                                      
REMARK 465     GLY C   264                                                      
REMARK 465     ARG C   265                                                      
REMARK 465     GLN C   266                                                      
REMARK 465     ARG C   267                                                      
REMARK 465     VAL C   268                                                      
REMARK 465     GLU C   269                                                      
REMARK 465     GLU C   270                                                      
REMARK 465     GLY C   271                                                      
REMARK 465     PRO C   272                                                      
REMARK 465     GLY C   273                                                      
REMARK 465     GLY C   327                                                      
REMARK 465     ALA C   328                                                      
REMARK 465     SER C   329                                                      
REMARK 465     CYS C   330                                                      
REMARK 465     SER C   331                                                      
REMARK 465     ARG C   483                                                      
REMARK 465     GLY C   484                                                      
REMARK 465     VAL C   485                                                      
REMARK 465     GLU C   486                                                      
REMARK 465     ALA C   487                                                      
REMARK 465     GLY C   488                                                      
REMARK 465     ALA C   489                                                      
REMARK 465     TRP C   490                                                      
REMARK 465     GLU C   491                                                      
REMARK 465     SER C   492                                                      
REMARK 465     ALA C   493                                                      
REMARK 465     SER C   494                                                      
REMARK 465     ALA C   495                                                      
REMARK 465     GLN C   496                                                      
REMARK 465     MET D     1                                                      
REMARK 465     VAL D     2                                                      
REMARK 465     LEU D     3                                                      
REMARK 465     ALA D     4                                                      
REMARK 465     GLY D     5                                                      
REMARK 465     LEU D     6                                                      
REMARK 465     LEU D     7                                                      
REMARK 465     LEU D     8                                                      
REMARK 465     LEU D     9                                                      
REMARK 465     LEU D    10                                                      
REMARK 465     THR D    11                                                      
REMARK 465     LEU D    12                                                      
REMARK 465     LEU D    13                                                      
REMARK 465     ALA D    14                                                      
REMARK 465     GLY D    15                                                      
REMARK 465     ALA D    16                                                      
REMARK 465     HIS D    17                                                      
REMARK 465     LEU D    18                                                      
REMARK 465     LEU D    19                                                      
REMARK 465     TRP D    20                                                      
REMARK 465     GLY D    21                                                      
REMARK 465     ARG D    22                                                      
REMARK 465     TRP D    23                                                      
REMARK 465     LYS D    24                                                      
REMARK 465     LEU D    25                                                      
REMARK 465     ARG D    26                                                      
REMARK 465     ASN D    27                                                      
REMARK 465     LEU D    28                                                      
REMARK 465     GLY D   131                                                      
REMARK 465     THR D   132                                                      
REMARK 465     ARG D   133                                                      
REMARK 465     GLY D   264                                                      
REMARK 465     ARG D   265                                                      
REMARK 465     GLN D   266                                                      
REMARK 465     ARG D   267                                                      
REMARK 465     VAL D   268                                                      
REMARK 465     GLU D   269                                                      
REMARK 465     GLU D   270                                                      
REMARK 465     GLY D   271                                                      
REMARK 465     PRO D   272                                                      
REMARK 465     GLY D   273                                                      
REMARK 465     GLY D   327                                                      
REMARK 465     ALA D   328                                                      
REMARK 465     SER D   329                                                      
REMARK 465     CYS D   330                                                      
REMARK 465     SER D   331                                                      
REMARK 465     ARG D   332                                                      
REMARK 465     PRO D   482                                                      
REMARK 465     ARG D   483                                                      
REMARK 465     GLY D   484                                                      
REMARK 465     VAL D   485                                                      
REMARK 465     GLU D   486                                                      
REMARK 465     ALA D   487                                                      
REMARK 465     GLY D   488                                                      
REMARK 465     ALA D   489                                                      
REMARK 465     TRP D   490                                                      
REMARK 465     GLU D   491                                                      
REMARK 465     SER D   492                                                      
REMARK 465     ALA D   493                                                      
REMARK 465     SER D   494                                                      
REMARK 465     ALA D   495                                                      
REMARK 465     GLN D   496                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     HIS A  29    CG   ND1  CD2  CE1  NE2                             
REMARK 470     LYS A 238    NZ                                                  
REMARK 470     HIS B  29    CG   ND1  CD2  CE1  NE2                             
REMARK 470     HIS C  29    CG   ND1  CD2  CE1  NE2                             
REMARK 470     ARG C 332    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     PRO C 411    CG   CD                                             
REMARK 470     HIS D  29    CG   ND1  CD2  CE1  NE2                             
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    GLY C   412     O    HOH C   604              1.63            
REMARK 500   ND2  ASN A   219     O    HOH A   621              1.71            
REMARK 500   OE2  GLU D   430     O    HOH D   617              1.72            
REMARK 500   N    GLY C   179     OD1  ASP C   254              1.73            
REMARK 500   NH2  ARG B    63     O    HOH B   617              1.77            
REMARK 500   O    GLY D   111     NH2  ARG D   425              1.78            
REMARK 500   O    VAL B   284     CB   PHE B   288              1.79            
REMARK 500   OD1  ASN B   219     O    HOH B   626              1.83            
REMARK 500   O    PRO A   463     CE1  TYR A   466              1.86            
REMARK 500   NH1  ARG B    92     O    PRO B   363              1.89            
REMARK 500   OG   SER A   102     O    HOH A   610              1.89            
REMARK 500   CG   GLN A    42     O    HOH A   613              1.89            
REMARK 500   O    ARG C   425     O    HOH C   606              1.92            
REMARK 500   O    GLN A   446     NE2  GLN A   481              1.94            
REMARK 500   OE1  GLN A    42     O    HOH A   613              1.94            
REMARK 500   O    CYS D   105     O    HOH D   604              1.96            
REMARK 500   CG2  THR A   294     CAA  3QZ A   501              1.96            
REMARK 500   O    SER A   283     CD1  LEU A   287              1.96            
REMARK 500   CG   PRO D   463     CB   LEU D   471              1.96            
REMARK 500   OD2  ASP B   112     NH2  ARG B   365              1.97            
REMARK 500   O    GLY B    91     N    ARG B   365              1.98            
REMARK 500   ND2  ASN B   219     O    HOH B   616              1.99            
REMARK 500   CB   PRO D   463     CG   LEU D   471              1.99            
REMARK 500   O    SER A   246     NE1  TRP A   252              1.99            
REMARK 500   CE1  PHE D   165     OE2  GLU D   293              1.99            
REMARK 500   N    GLN A   103     O    HOH A   610              2.00            
REMARK 500   O    VAL B   284     N    PHE B   288              2.01            
REMARK 500   O    GLN A   103     O    HOH A   610              2.02            
REMARK 500   CB   CYS D   105     O    HOH D   613              2.03            
REMARK 500   CD2  LEU D   168     O    THR D   292              2.04            
REMARK 500   O    PRO C   212     CE2  PHE C   216              2.04            
REMARK 500   NH1  ARG D   232     OAE  3QZ D   501              2.06            
REMARK 500   O    SER A   171     CE1  TYR A   175              2.07            
REMARK 500   OG1  THR C   449     O    LEU C   480              2.08            
REMARK 500   O    ASP A   337     N    ALA A   339              2.08            
REMARK 500   OG   SER B    74     OG1  THR B    77              2.08            
REMARK 500   O    ASP A   337     N    ARG A   340              2.08            
REMARK 500   CB   GLN D   106     CE1  HIS D   279              2.11            
REMARK 500   O    THR B   169     CG1  ILE B   173              2.11            
REMARK 500   OE1  GLN D    94     CE   LYS D    99              2.12            
REMARK 500   CB   PRO A   475     NE2  GLN A   477              2.14            
REMARK 500   CD   GLN A    42     O    HOH A   613              2.14            
REMARK 500   O    GLU D   164     CD1  LEU D   168              2.14            
REMARK 500   CB   GLN D   106     NE2  HIS D   279              2.15            
REMARK 500   O    PRO A   463     CD1  TYR A   466              2.16            
REMARK 500   CE2  PHE B   189     CZ   PHE B   288              2.16            
REMARK 500   CG   GLN D   106     NE2  HIS D   279              2.16            
REMARK 500   CG2  THR B   294     CAA  3QZ B   501              2.17            
REMARK 500   CE2  PHE B   178     CZ3  TRP B   252              2.18            
REMARK 500   O    SER D   370     O    HOH D   606              2.18            
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      52 CLOSE CONTACTS                                
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   NH2  ARG B   404     O    HOH A   618     2556     1.67            
REMARK 500   NE2  HIS A    39     O    PRO D    35     1556     2.07            
REMARK 500   N    LEU D    38     O    HOH A   601     1554     2.13            
REMARK 500   O    PRO B    35     O    PRO C    35     1556     2.14            
REMARK 500   N    LEU B    38     O    HOH C   601     1556     2.14            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    PRO D 463   CA    PRO D 463   CB     -0.136                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    PRO A 359   C   -  N   -  CD  ANGL. DEV. = -13.1 DEGREES          
REMARK 500    CYS A 422   N   -  CA  -  C   ANGL. DEV. = -19.1 DEGREES          
REMARK 500    PRO B  43   C   -  N   -  CD  ANGL. DEV. = -14.9 DEGREES          
REMARK 500    PHE B 217   N   -  CA  -  C   ANGL. DEV. = -17.4 DEGREES          
REMARK 500    PRO B 218   C   -  N   -  CD  ANGL. DEV. = -16.3 DEGREES          
REMARK 500    TYR B 335   N   -  CA  -  C   ANGL. DEV. =  18.3 DEGREES          
REMARK 500    PRO B 359   C   -  N   -  CD  ANGL. DEV. = -13.9 DEGREES          
REMARK 500    PRO B 411   C   -  N   -  CD  ANGL. DEV. = -14.6 DEGREES          
REMARK 500    ARG B 425   N   -  CA  -  C   ANGL. DEV. = -16.2 DEGREES          
REMARK 500    ARG B 479   N   -  CA  -  C   ANGL. DEV. =  20.3 DEGREES          
REMARK 500    SER C 114   N   -  CA  -  C   ANGL. DEV. = -17.6 DEGREES          
REMARK 500    PRO C 411   N   -  CA  -  CB  ANGL. DEV. =   7.2 DEGREES          
REMARK 500    ARG C 479   N   -  CA  -  C   ANGL. DEV. =  28.8 DEGREES          
REMARK 500    SER D 114   N   -  CA  -  C   ANGL. DEV. = -16.9 DEGREES          
REMARK 500    ARG D 425   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.1 DEGREES          
REMARK 500    LEU D 471   CA  -  CB  -  CG  ANGL. DEV. =  16.2 DEGREES          
REMARK 500    ARG D 479   N   -  CA  -  C   ANGL. DEV. =  21.0 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    GLN A  42      140.08     99.03                                   
REMARK 500    ILE A  78       -7.23    -59.90                                   
REMARK 500    TRP A  86      -57.01     62.57                                   
REMARK 500    PRO A  96        2.06    -64.25                                   
REMARK 500    GLN A 103     -124.14     57.09                                   
REMARK 500    CYS A 105      156.37    102.97                                   
REMARK 500    GLN A 106      155.84     90.50                                   
REMARK 500    ASP A 107      179.72    146.79                                   
REMARK 500    SER A 109      -91.79     78.40                                   
REMARK 500    SER A 114      153.43    138.94                                   
REMARK 500    LEU A 176      -31.49   -149.26                                   
REMARK 500    PHE A 178        3.69     57.01                                   
REMARK 500    LYS A 181      -25.08     63.58                                   
REMARK 500    ASP A 201       68.88   -107.95                                   
REMARK 500    VAL A 211       79.91   -116.84                                   
REMARK 500    PHE A 213        3.20    -67.46                                   
REMARK 500    ARG A 215        0.60     88.96                                   
REMARK 500    TRP A 252     -165.13    -78.41                                   
REMARK 500    LEU A 324        8.49   -163.64                                   
REMARK 500    PRO A 326      -19.25    -49.70                                   
REMARK 500    ARG A 332     -130.04     52.52                                   
REMARK 500    TYR A 335      -88.78      7.67                                   
REMARK 500    ARG A 338      -24.39    -22.12                                   
REMARK 500    ALA A 361     -131.85     47.93                                   
REMARK 500    PHE A 373      147.16    101.57                                   
REMARK 500    VAL A 396      -27.00   -143.79                                   
REMARK 500    ARG A 407      -28.60   -168.69                                   
REMARK 500    VAL A 426      -95.08     26.86                                   
REMARK 500    LEU A 450       80.67     78.66                                   
REMARK 500    SER A 460      172.61    144.16                                   
REMARK 500    LEU A 461      -18.78    104.12                                   
REMARK 500    GLN A 462      126.42     92.84                                   
REMARK 500    CYS A 467     -146.67   -119.56                                   
REMARK 500    GLN B  42      155.68    104.85                                   
REMARK 500    ASN B  44       54.87     72.20                                   
REMARK 500    LEU B  56      -50.72   -126.49                                   
REMARK 500    LEU B  66      -26.29   -143.90                                   
REMARK 500    ILE B  78       -6.67    -59.38                                   
REMARK 500    TRP B  86      -64.78     60.44                                   
REMARK 500    PRO B  96        1.13    -63.75                                   
REMARK 500    GLN B 103      -61.09     69.91                                   
REMARK 500    CYS B 105     -178.20     80.50                                   
REMARK 500    GLN B 106     -130.16     55.73                                   
REMARK 500    ASP B 107      174.26     67.83                                   
REMARK 500    SER B 109      -55.73     75.48                                   
REMARK 500    SER B 114      163.39    148.43                                   
REMARK 500    ALA B 155       -1.47     61.21                                   
REMARK 500    LYS B 181       -8.19     69.36                                   
REMARK 500    ASP B 183       -9.12    -59.29                                   
REMARK 500    ASP B 201       69.27   -108.43                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     142 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    ARG D 425         0.11    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 600                                                                      
REMARK 600 HETEROGEN                                                            
REMARK 600                                                                      
REMARK 600 THE LIGAND 3QZ IN THE STRUCTURE IS 17-HYDROXYPROGESTERONE, WHICH IS  
REMARK 600 VERY HYDROPHOBIC AND ITS SOLUBILITY IS POOR. THE AUTHORS COULD NOT   
REMARK 600 ADD MORE LIGAND DURING CRYSTALLIZATION DUE TO THE POOR SOLUBILITY.   
REMARK 600 THIS IS PROBABLY WHY THE LIGANDS (ESPECIALLY B502) SHOWED            
REMARK 600 RELATIVELY HIGH REAL SPACE R VALUES. THE DISORDER IS ALSO ONE OF     
REMARK 600 THE REASON TO BE CONSIDERED. THERE ARE FOUR MOLECULES IN ASYMMETRIC  
REMARK 600 UNIT. THREE OF FOUR MOLECULES A, C, AND D CLEARLY SHOWED TWO         
REMARK 600 MOLECULES IN THE ENZYME. MOLECULE B SHOWED TWO MOLECULES AS WELL     
REMARK 600 EVEN THOUGH B502 IS MORE DISORDERED SOMEHOW. IN ADDITION, THE        
REMARK 600 BIOCHEMICAL TITRATION DATA PROVIDE ADDITIONAL EVIDENCE TO SUPPORT    
REMARK 600 TWO LIGANDS BOUND IN THE ENZYME AT SAME TIME                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A 500  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 427   SG                                                     
REMARK 620 2 HEM A 500   NA   82.6                                              
REMARK 620 3 HEM A 500   NB   97.9  91.1                                        
REMARK 620 4 HEM A 500   NC   98.3 179.1  88.4                                  
REMARK 620 5 HEM A 500   ND   83.7  90.7 177.7  89.7                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 500                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3QZ A 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3QZ A 502                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 500                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3QZ B 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3QZ B 502                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM C 500                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3QZ C 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3QZ C 502                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM D 500                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3QZ D 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3QZ D 502                 
DBREF  3QZ1 A    1   496  UNP    P00191   CP21A_BOVIN      1    496             
DBREF  3QZ1 B    1   496  UNP    P00191   CP21A_BOVIN      1    496             
DBREF  3QZ1 C    1   496  UNP    P00191   CP21A_BOVIN      1    496             
DBREF  3QZ1 D    1   496  UNP    P00191   CP21A_BOVIN      1    496             
SEQADV 3QZ1 ARG A  241  UNP  P00191    THR   241 ENGINEERED MUTATION            
SEQADV 3QZ1 ALA A  442  UNP  P00191    LEU   442 ENGINEERED MUTATION            
SEQADV 3QZ1 ARG B  241  UNP  P00191    THR   241 ENGINEERED MUTATION            
SEQADV 3QZ1 ALA B  442  UNP  P00191    LEU   442 ENGINEERED MUTATION            
SEQADV 3QZ1 ARG C  241  UNP  P00191    THR   241 ENGINEERED MUTATION            
SEQADV 3QZ1 ALA C  442  UNP  P00191    LEU   442 ENGINEERED MUTATION            
SEQADV 3QZ1 ARG D  241  UNP  P00191    THR   241 ENGINEERED MUTATION            
SEQADV 3QZ1 ALA D  442  UNP  P00191    LEU   442 ENGINEERED MUTATION            
SEQRES   1 A  496  MET VAL LEU ALA GLY LEU LEU LEU LEU LEU THR LEU LEU          
SEQRES   2 A  496  ALA GLY ALA HIS LEU LEU TRP GLY ARG TRP LYS LEU ARG          
SEQRES   3 A  496  ASN LEU HIS LEU PRO PRO LEU VAL PRO GLY PHE LEU HIS          
SEQRES   4 A  496  LEU LEU GLN PRO ASN LEU PRO ILE HIS LEU LEU SER LEU          
SEQRES   5 A  496  THR GLN LYS LEU GLY PRO VAL TYR ARG LEU ARG LEU GLY          
SEQRES   6 A  496  LEU GLN GLU VAL VAL VAL LEU ASN SER LYS ARG THR ILE          
SEQRES   7 A  496  GLU GLU ALA MET ILE ARG LYS TRP VAL ASP PHE ALA GLY          
SEQRES   8 A  496  ARG PRO GLN ILE PRO SER TYR LYS LEU VAL SER GLN ARG          
SEQRES   9 A  496  CYS GLN ASP ILE SER LEU GLY ASP TYR SER LEU LEU TRP          
SEQRES  10 A  496  LYS ALA HIS LYS LYS LEU THR ARG SER ALA LEU LEU LEU          
SEQRES  11 A  496  GLY THR ARG SER SER MET GLU PRO TRP VAL ASP GLN LEU          
SEQRES  12 A  496  THR GLN GLU PHE CYS GLU ARG MET ARG VAL GLN ALA GLY          
SEQRES  13 A  496  ALA PRO VAL THR ILE GLN LYS GLU PHE SER LEU LEU THR          
SEQRES  14 A  496  CYS SER ILE ILE CYS TYR LEU THR PHE GLY ASN LYS GLU          
SEQRES  15 A  496  ASP THR LEU VAL HIS ALA PHE HIS ASP CYS VAL GLN ASP          
SEQRES  16 A  496  LEU MET LYS THR TRP ASP HIS TRP SER ILE GLN ILE LEU          
SEQRES  17 A  496  ASP MET VAL PRO PHE LEU ARG PHE PHE PRO ASN PRO GLY          
SEQRES  18 A  496  LEU TRP ARG LEU LYS GLN ALA ILE GLU ASN ARG ASP HIS          
SEQRES  19 A  496  MET VAL GLU LYS GLN LEU ARG ARG HIS LYS GLU SER MET          
SEQRES  20 A  496  VAL ALA GLY GLN TRP ARG ASP MET THR ASP TYR MET LEU          
SEQRES  21 A  496  GLN GLY VAL GLY ARG GLN ARG VAL GLU GLU GLY PRO GLY          
SEQRES  22 A  496  GLN LEU LEU GLU GLY HIS VAL HIS MET SER VAL VAL ASP          
SEQRES  23 A  496  LEU PHE ILE GLY GLY THR GLU THR THR ALA SER THR LEU          
SEQRES  24 A  496  SER TRP ALA VAL ALA PHE LEU LEU HIS HIS PRO GLU ILE          
SEQRES  25 A  496  GLN ARG ARG LEU GLN GLU GLU LEU ASP ARG GLU LEU GLY          
SEQRES  26 A  496  PRO GLY ALA SER CYS SER ARG VAL THR TYR LYS ASP ARG          
SEQRES  27 A  496  ALA ARG LEU PRO LEU LEU ASN ALA THR ILE ALA GLU VAL          
SEQRES  28 A  496  LEU ARG LEU ARG PRO VAL VAL PRO LEU ALA LEU PRO HIS          
SEQRES  29 A  496  ARG THR THR ARG PRO SER SER ILE PHE GLY TYR ASP ILE          
SEQRES  30 A  496  PRO GLU GLY MET VAL VAL ILE PRO ASN LEU GLN GLY ALA          
SEQRES  31 A  496  HIS LEU ASP GLU THR VAL TRP GLU GLN PRO HIS GLU PHE          
SEQRES  32 A  496  ARG PRO ASP ARG PHE LEU GLU PRO GLY ALA ASN PRO SER          
SEQRES  33 A  496  ALA LEU ALA PHE GLY CYS GLY ALA ARG VAL CYS LEU GLY          
SEQRES  34 A  496  GLU SER LEU ALA ARG LEU GLU LEU PHE VAL VAL LEU ALA          
SEQRES  35 A  496  ARG LEU LEU GLN ALA PHE THR LEU LEU PRO PRO PRO VAL          
SEQRES  36 A  496  GLY ALA LEU PRO SER LEU GLN PRO ASP PRO TYR CYS GLY          
SEQRES  37 A  496  VAL ASN LEU LYS VAL GLN PRO PHE GLN VAL ARG LEU GLN          
SEQRES  38 A  496  PRO ARG GLY VAL GLU ALA GLY ALA TRP GLU SER ALA SER          
SEQRES  39 A  496  ALA GLN                                                      
SEQRES   1 B  496  MET VAL LEU ALA GLY LEU LEU LEU LEU LEU THR LEU LEU          
SEQRES   2 B  496  ALA GLY ALA HIS LEU LEU TRP GLY ARG TRP LYS LEU ARG          
SEQRES   3 B  496  ASN LEU HIS LEU PRO PRO LEU VAL PRO GLY PHE LEU HIS          
SEQRES   4 B  496  LEU LEU GLN PRO ASN LEU PRO ILE HIS LEU LEU SER LEU          
SEQRES   5 B  496  THR GLN LYS LEU GLY PRO VAL TYR ARG LEU ARG LEU GLY          
SEQRES   6 B  496  LEU GLN GLU VAL VAL VAL LEU ASN SER LYS ARG THR ILE          
SEQRES   7 B  496  GLU GLU ALA MET ILE ARG LYS TRP VAL ASP PHE ALA GLY          
SEQRES   8 B  496  ARG PRO GLN ILE PRO SER TYR LYS LEU VAL SER GLN ARG          
SEQRES   9 B  496  CYS GLN ASP ILE SER LEU GLY ASP TYR SER LEU LEU TRP          
SEQRES  10 B  496  LYS ALA HIS LYS LYS LEU THR ARG SER ALA LEU LEU LEU          
SEQRES  11 B  496  GLY THR ARG SER SER MET GLU PRO TRP VAL ASP GLN LEU          
SEQRES  12 B  496  THR GLN GLU PHE CYS GLU ARG MET ARG VAL GLN ALA GLY          
SEQRES  13 B  496  ALA PRO VAL THR ILE GLN LYS GLU PHE SER LEU LEU THR          
SEQRES  14 B  496  CYS SER ILE ILE CYS TYR LEU THR PHE GLY ASN LYS GLU          
SEQRES  15 B  496  ASP THR LEU VAL HIS ALA PHE HIS ASP CYS VAL GLN ASP          
SEQRES  16 B  496  LEU MET LYS THR TRP ASP HIS TRP SER ILE GLN ILE LEU          
SEQRES  17 B  496  ASP MET VAL PRO PHE LEU ARG PHE PHE PRO ASN PRO GLY          
SEQRES  18 B  496  LEU TRP ARG LEU LYS GLN ALA ILE GLU ASN ARG ASP HIS          
SEQRES  19 B  496  MET VAL GLU LYS GLN LEU ARG ARG HIS LYS GLU SER MET          
SEQRES  20 B  496  VAL ALA GLY GLN TRP ARG ASP MET THR ASP TYR MET LEU          
SEQRES  21 B  496  GLN GLY VAL GLY ARG GLN ARG VAL GLU GLU GLY PRO GLY          
SEQRES  22 B  496  GLN LEU LEU GLU GLY HIS VAL HIS MET SER VAL VAL ASP          
SEQRES  23 B  496  LEU PHE ILE GLY GLY THR GLU THR THR ALA SER THR LEU          
SEQRES  24 B  496  SER TRP ALA VAL ALA PHE LEU LEU HIS HIS PRO GLU ILE          
SEQRES  25 B  496  GLN ARG ARG LEU GLN GLU GLU LEU ASP ARG GLU LEU GLY          
SEQRES  26 B  496  PRO GLY ALA SER CYS SER ARG VAL THR TYR LYS ASP ARG          
SEQRES  27 B  496  ALA ARG LEU PRO LEU LEU ASN ALA THR ILE ALA GLU VAL          
SEQRES  28 B  496  LEU ARG LEU ARG PRO VAL VAL PRO LEU ALA LEU PRO HIS          
SEQRES  29 B  496  ARG THR THR ARG PRO SER SER ILE PHE GLY TYR ASP ILE          
SEQRES  30 B  496  PRO GLU GLY MET VAL VAL ILE PRO ASN LEU GLN GLY ALA          
SEQRES  31 B  496  HIS LEU ASP GLU THR VAL TRP GLU GLN PRO HIS GLU PHE          
SEQRES  32 B  496  ARG PRO ASP ARG PHE LEU GLU PRO GLY ALA ASN PRO SER          
SEQRES  33 B  496  ALA LEU ALA PHE GLY CYS GLY ALA ARG VAL CYS LEU GLY          
SEQRES  34 B  496  GLU SER LEU ALA ARG LEU GLU LEU PHE VAL VAL LEU ALA          
SEQRES  35 B  496  ARG LEU LEU GLN ALA PHE THR LEU LEU PRO PRO PRO VAL          
SEQRES  36 B  496  GLY ALA LEU PRO SER LEU GLN PRO ASP PRO TYR CYS GLY          
SEQRES  37 B  496  VAL ASN LEU LYS VAL GLN PRO PHE GLN VAL ARG LEU GLN          
SEQRES  38 B  496  PRO ARG GLY VAL GLU ALA GLY ALA TRP GLU SER ALA SER          
SEQRES  39 B  496  ALA GLN                                                      
SEQRES   1 C  496  MET VAL LEU ALA GLY LEU LEU LEU LEU LEU THR LEU LEU          
SEQRES   2 C  496  ALA GLY ALA HIS LEU LEU TRP GLY ARG TRP LYS LEU ARG          
SEQRES   3 C  496  ASN LEU HIS LEU PRO PRO LEU VAL PRO GLY PHE LEU HIS          
SEQRES   4 C  496  LEU LEU GLN PRO ASN LEU PRO ILE HIS LEU LEU SER LEU          
SEQRES   5 C  496  THR GLN LYS LEU GLY PRO VAL TYR ARG LEU ARG LEU GLY          
SEQRES   6 C  496  LEU GLN GLU VAL VAL VAL LEU ASN SER LYS ARG THR ILE          
SEQRES   7 C  496  GLU GLU ALA MET ILE ARG LYS TRP VAL ASP PHE ALA GLY          
SEQRES   8 C  496  ARG PRO GLN ILE PRO SER TYR LYS LEU VAL SER GLN ARG          
SEQRES   9 C  496  CYS GLN ASP ILE SER LEU GLY ASP TYR SER LEU LEU TRP          
SEQRES  10 C  496  LYS ALA HIS LYS LYS LEU THR ARG SER ALA LEU LEU LEU          
SEQRES  11 C  496  GLY THR ARG SER SER MET GLU PRO TRP VAL ASP GLN LEU          
SEQRES  12 C  496  THR GLN GLU PHE CYS GLU ARG MET ARG VAL GLN ALA GLY          
SEQRES  13 C  496  ALA PRO VAL THR ILE GLN LYS GLU PHE SER LEU LEU THR          
SEQRES  14 C  496  CYS SER ILE ILE CYS TYR LEU THR PHE GLY ASN LYS GLU          
SEQRES  15 C  496  ASP THR LEU VAL HIS ALA PHE HIS ASP CYS VAL GLN ASP          
SEQRES  16 C  496  LEU MET LYS THR TRP ASP HIS TRP SER ILE GLN ILE LEU          
SEQRES  17 C  496  ASP MET VAL PRO PHE LEU ARG PHE PHE PRO ASN PRO GLY          
SEQRES  18 C  496  LEU TRP ARG LEU LYS GLN ALA ILE GLU ASN ARG ASP HIS          
SEQRES  19 C  496  MET VAL GLU LYS GLN LEU ARG ARG HIS LYS GLU SER MET          
SEQRES  20 C  496  VAL ALA GLY GLN TRP ARG ASP MET THR ASP TYR MET LEU          
SEQRES  21 C  496  GLN GLY VAL GLY ARG GLN ARG VAL GLU GLU GLY PRO GLY          
SEQRES  22 C  496  GLN LEU LEU GLU GLY HIS VAL HIS MET SER VAL VAL ASP          
SEQRES  23 C  496  LEU PHE ILE GLY GLY THR GLU THR THR ALA SER THR LEU          
SEQRES  24 C  496  SER TRP ALA VAL ALA PHE LEU LEU HIS HIS PRO GLU ILE          
SEQRES  25 C  496  GLN ARG ARG LEU GLN GLU GLU LEU ASP ARG GLU LEU GLY          
SEQRES  26 C  496  PRO GLY ALA SER CYS SER ARG VAL THR TYR LYS ASP ARG          
SEQRES  27 C  496  ALA ARG LEU PRO LEU LEU ASN ALA THR ILE ALA GLU VAL          
SEQRES  28 C  496  LEU ARG LEU ARG PRO VAL VAL PRO LEU ALA LEU PRO HIS          
SEQRES  29 C  496  ARG THR THR ARG PRO SER SER ILE PHE GLY TYR ASP ILE          
SEQRES  30 C  496  PRO GLU GLY MET VAL VAL ILE PRO ASN LEU GLN GLY ALA          
SEQRES  31 C  496  HIS LEU ASP GLU THR VAL TRP GLU GLN PRO HIS GLU PHE          
SEQRES  32 C  496  ARG PRO ASP ARG PHE LEU GLU PRO GLY ALA ASN PRO SER          
SEQRES  33 C  496  ALA LEU ALA PHE GLY CYS GLY ALA ARG VAL CYS LEU GLY          
SEQRES  34 C  496  GLU SER LEU ALA ARG LEU GLU LEU PHE VAL VAL LEU ALA          
SEQRES  35 C  496  ARG LEU LEU GLN ALA PHE THR LEU LEU PRO PRO PRO VAL          
SEQRES  36 C  496  GLY ALA LEU PRO SER LEU GLN PRO ASP PRO TYR CYS GLY          
SEQRES  37 C  496  VAL ASN LEU LYS VAL GLN PRO PHE GLN VAL ARG LEU GLN          
SEQRES  38 C  496  PRO ARG GLY VAL GLU ALA GLY ALA TRP GLU SER ALA SER          
SEQRES  39 C  496  ALA GLN                                                      
SEQRES   1 D  496  MET VAL LEU ALA GLY LEU LEU LEU LEU LEU THR LEU LEU          
SEQRES   2 D  496  ALA GLY ALA HIS LEU LEU TRP GLY ARG TRP LYS LEU ARG          
SEQRES   3 D  496  ASN LEU HIS LEU PRO PRO LEU VAL PRO GLY PHE LEU HIS          
SEQRES   4 D  496  LEU LEU GLN PRO ASN LEU PRO ILE HIS LEU LEU SER LEU          
SEQRES   5 D  496  THR GLN LYS LEU GLY PRO VAL TYR ARG LEU ARG LEU GLY          
SEQRES   6 D  496  LEU GLN GLU VAL VAL VAL LEU ASN SER LYS ARG THR ILE          
SEQRES   7 D  496  GLU GLU ALA MET ILE ARG LYS TRP VAL ASP PHE ALA GLY          
SEQRES   8 D  496  ARG PRO GLN ILE PRO SER TYR LYS LEU VAL SER GLN ARG          
SEQRES   9 D  496  CYS GLN ASP ILE SER LEU GLY ASP TYR SER LEU LEU TRP          
SEQRES  10 D  496  LYS ALA HIS LYS LYS LEU THR ARG SER ALA LEU LEU LEU          
SEQRES  11 D  496  GLY THR ARG SER SER MET GLU PRO TRP VAL ASP GLN LEU          
SEQRES  12 D  496  THR GLN GLU PHE CYS GLU ARG MET ARG VAL GLN ALA GLY          
SEQRES  13 D  496  ALA PRO VAL THR ILE GLN LYS GLU PHE SER LEU LEU THR          
SEQRES  14 D  496  CYS SER ILE ILE CYS TYR LEU THR PHE GLY ASN LYS GLU          
SEQRES  15 D  496  ASP THR LEU VAL HIS ALA PHE HIS ASP CYS VAL GLN ASP          
SEQRES  16 D  496  LEU MET LYS THR TRP ASP HIS TRP SER ILE GLN ILE LEU          
SEQRES  17 D  496  ASP MET VAL PRO PHE LEU ARG PHE PHE PRO ASN PRO GLY          
SEQRES  18 D  496  LEU TRP ARG LEU LYS GLN ALA ILE GLU ASN ARG ASP HIS          
SEQRES  19 D  496  MET VAL GLU LYS GLN LEU ARG ARG HIS LYS GLU SER MET          
SEQRES  20 D  496  VAL ALA GLY GLN TRP ARG ASP MET THR ASP TYR MET LEU          
SEQRES  21 D  496  GLN GLY VAL GLY ARG GLN ARG VAL GLU GLU GLY PRO GLY          
SEQRES  22 D  496  GLN LEU LEU GLU GLY HIS VAL HIS MET SER VAL VAL ASP          
SEQRES  23 D  496  LEU PHE ILE GLY GLY THR GLU THR THR ALA SER THR LEU          
SEQRES  24 D  496  SER TRP ALA VAL ALA PHE LEU LEU HIS HIS PRO GLU ILE          
SEQRES  25 D  496  GLN ARG ARG LEU GLN GLU GLU LEU ASP ARG GLU LEU GLY          
SEQRES  26 D  496  PRO GLY ALA SER CYS SER ARG VAL THR TYR LYS ASP ARG          
SEQRES  27 D  496  ALA ARG LEU PRO LEU LEU ASN ALA THR ILE ALA GLU VAL          
SEQRES  28 D  496  LEU ARG LEU ARG PRO VAL VAL PRO LEU ALA LEU PRO HIS          
SEQRES  29 D  496  ARG THR THR ARG PRO SER SER ILE PHE GLY TYR ASP ILE          
SEQRES  30 D  496  PRO GLU GLY MET VAL VAL ILE PRO ASN LEU GLN GLY ALA          
SEQRES  31 D  496  HIS LEU ASP GLU THR VAL TRP GLU GLN PRO HIS GLU PHE          
SEQRES  32 D  496  ARG PRO ASP ARG PHE LEU GLU PRO GLY ALA ASN PRO SER          
SEQRES  33 D  496  ALA LEU ALA PHE GLY CYS GLY ALA ARG VAL CYS LEU GLY          
SEQRES  34 D  496  GLU SER LEU ALA ARG LEU GLU LEU PHE VAL VAL LEU ALA          
SEQRES  35 D  496  ARG LEU LEU GLN ALA PHE THR LEU LEU PRO PRO PRO VAL          
SEQRES  36 D  496  GLY ALA LEU PRO SER LEU GLN PRO ASP PRO TYR CYS GLY          
SEQRES  37 D  496  VAL ASN LEU LYS VAL GLN PRO PHE GLN VAL ARG LEU GLN          
SEQRES  38 D  496  PRO ARG GLY VAL GLU ALA GLY ALA TRP GLU SER ALA SER          
SEQRES  39 D  496  ALA GLN                                                      
HET    HEM  A 500      43                                                       
HET    3QZ  A 501      24                                                       
HET    3QZ  A 502      24                                                       
HET    HEM  B 500      43                                                       
HET    3QZ  B 501      24                                                       
HET    3QZ  B 502      24                                                       
HET    HEM  C 500      43                                                       
HET    3QZ  C 501      24                                                       
HET    3QZ  C 502      24                                                       
HET    HEM  D 500      43                                                       
HET    3QZ  D 501      24                                                       
HET    3QZ  D 502      24                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     3QZ (9BETA)-17-HYDROXYPREGN-4-ENE-3,20-DIONE                         
HETSYN     HEM HEME                                                             
FORMUL   5  HEM    4(C34 H32 FE N4 O4)                                          
FORMUL   6  3QZ    8(C21 H30 O3)                                                
FORMUL  17  HOH   *97(H2 O)                                                     
HELIX    1   1 ASN A   44  LEU A   52  1                                   9    
HELIX    2   2 THR A   53  LYS A   55  5                                   3    
HELIX    3   3 ARG A   76  ALA A   81  1                                   6    
HELIX    4   4 SER A  114  LEU A  130  1                                  17    
HELIX    5   5 MET A  136  VAL A  153  1                                  18    
HELIX    6   6 VAL A  159  SER A  166  1                                   8    
HELIX    7   7 SER A  166  ILE A  173  1                                   8    
HELIX    8   8 GLU A  182  ASP A  195  1                                  14    
HELIX    9   9 HIS A  202  VAL A  211  1                                  10    
HELIX   10  10 PRO A  212  ARG A  215  5                                   4    
HELIX   11  11 ASN A  219  SER A  246  1                                  28    
HELIX   12  12 MET A  255  LEU A  260  1                                   6    
HELIX   13  13 GLU A  277  HIS A  309  1                                  33    
HELIX   14  14 HIS A  309  GLY A  325  1                                  17    
HELIX   15  15 LYS A  336  ARG A  340  5                                   5    
HELIX   16  16 LEU A  341  ARG A  355  1                                  15    
HELIX   17  17 ASN A  386  HIS A  391  1                                   6    
HELIX   18  18 GLY A  429  PHE A  448  1                                  20    
HELIX   19  19 ASN B   44  LEU B   52  1                                   9    
HELIX   20  20 THR B   53  LYS B   55  5                                   3    
HELIX   21  21 ARG B   76  ALA B   81  1                                   6    
HELIX   22  22 SER B  114  LEU B  130  1                                  17    
HELIX   23  23 MET B  136  VAL B  153  1                                  18    
HELIX   24  24 VAL B  159  SER B  166  1                                   8    
HELIX   25  25 LEU B  168  THR B  177  1                                  10    
HELIX   26  26 GLU B  182  ASP B  195  1                                  14    
HELIX   27  27 HIS B  202  VAL B  211  1                                  10    
HELIX   28  28 PRO B  212  ARG B  215  5                                   4    
HELIX   29  29 ASN B  219  GLU B  245  1                                  27    
HELIX   30  30 MET B  255  VAL B  263  1                                   9    
HELIX   31  31 GLU B  277  HIS B  309  1                                  33    
HELIX   32  32 HIS B  309  GLY B  325  1                                  17    
HELIX   33  33 LEU B  341  ARG B  355  1                                  15    
HELIX   34  34 ASN B  386  HIS B  391  1                                   6    
HELIX   35  35 GLY B  429  PHE B  448  1                                  20    
HELIX   36  36 ASN C   44  GLY C   57  1                                  14    
HELIX   37  37 ARG C   76  ALA C   81  1                                   6    
HELIX   38  38 TRP C   86  ALA C   90  5                                   5    
HELIX   39  39 SER C  114  ALA C  127  1                                  14    
HELIX   40  40 GLU C  137  VAL C  153  1                                  17    
HELIX   41  41 VAL C  159  TYR C  175  1                                  17    
HELIX   42  42 GLU C  182  ASP C  195  1                                  14    
HELIX   43  43 HIS C  202  VAL C  211  1                                  10    
HELIX   44  44 ASN C  219  GLU C  245  1                                  27    
HELIX   45  45 MET C  255  VAL C  263  1                                   9    
HELIX   46  46 GLU C  277  ILE C  289  1                                  13    
HELIX   47  47 GLY C  290  HIS C  309  1                                  20    
HELIX   48  48 HIS C  309  GLY C  325  1                                  17    
HELIX   49  49 THR C  334  ARG C  338  5                                   5    
HELIX   50  50 LEU C  341  ARG C  355  1                                  15    
HELIX   51  51 ASN C  386  HIS C  391  1                                   6    
HELIX   52  52 GLY C  429  PHE C  448  1                                  20    
HELIX   53  53 ASN D   44  GLY D   57  1                                  14    
HELIX   54  54 SER D   74  ALA D   81  1                                   8    
HELIX   55  55 LYS D   85  ALA D   90  5                                   6    
HELIX   56  56 ILE D   95  LEU D  100  1                                   6    
HELIX   57  57 SER D  114  ALA D  127  1                                  14    
HELIX   58  58 MET D  136  VAL D  153  1                                  18    
HELIX   59  59 VAL D  159  SER D  166  1                                   8    
HELIX   60  60 SER D  166  TYR D  175  1                                  10    
HELIX   61  61 GLU D  182  ASP D  195  1                                  14    
HELIX   62  62 HIS D  202  VAL D  211  1                                  10    
HELIX   63  63 PRO D  212  ARG D  215  5                                   4    
HELIX   64  64 ASN D  219  SER D  246  1                                  28    
HELIX   65  65 MET D  255  LEU D  260  1                                   6    
HELIX   66  66 LEU D  276  HIS D  309  1                                  34    
HELIX   67  67 HIS D  309  ARG D  322  1                                  14    
HELIX   68  68 THR D  334  ARG D  340  5                                   7    
HELIX   69  69 LEU D  341  ARG D  355  1                                  15    
HELIX   70  70 GLY D  389  ASP D  393  5                                   5    
HELIX   71  71 GLY D  429  LEU D  445  1                                  17    
SHEET    1   A 4 VAL A  59  LEU A  62  0                                        
SHEET    2   A 4 VAL A  69  LEU A  72 -1  O  VAL A  69   N  LEU A  62           
SHEET    3   A 4 VAL A 382  PRO A 385  1  O  ILE A 384   N  VAL A  70           
SHEET    4   A 4 HIS A 364  ARG A 365 -1  N  HIS A 364   O  VAL A 383           
SHEET    1   B 2 SER A 370  SER A 371  0                                        
SHEET    2   B 2 ASP A 376  ILE A 377 -1  O  ILE A 377   N  SER A 370           
SHEET    1   C 4 VAL B  59  LEU B  62  0                                        
SHEET    2   C 4 VAL B  69  LEU B  72 -1  O  VAL B  69   N  LEU B  62           
SHEET    3   C 4 VAL B 382  PRO B 385  1  O  ILE B 384   N  VAL B  70           
SHEET    4   C 4 HIS B 364  ARG B 365 -1  N  HIS B 364   O  VAL B 383           
SHEET    1   D 2 SER B 370  SER B 371  0                                        
SHEET    2   D 2 ASP B 376  ILE B 377 -1  O  ILE B 377   N  SER B 370           
SHEET    1   E 5 LEU C  33  VAL C  34  0                                        
SHEET    2   E 5 VAL C  59  LEU C  62  1  O  ARG C  61   N  VAL C  34           
SHEET    3   E 5 VAL C  69  LEU C  72 -1  O  VAL C  69   N  LEU C  62           
SHEET    4   E 5 VAL C 382  PRO C 385  1  O  ILE C 384   N  VAL C  70           
SHEET    5   E 5 HIS C 364  ARG C 365 -1  N  HIS C 364   O  VAL C 383           
SHEET    1   F 2 SER C 370  SER C 371  0                                        
SHEET    2   F 2 ASP C 376  ILE C 377 -1  O  ILE C 377   N  SER C 370           
SHEET    1   G 4 VAL D  59  LEU D  62  0                                        
SHEET    2   G 4 VAL D  69  LEU D  72 -1  O  VAL D  71   N  TYR D  60           
SHEET    3   G 4 VAL D 382  PRO D 385  1  O  ILE D 384   N  VAL D  70           
SHEET    4   G 4 HIS D 364  ARG D 365 -1  N  HIS D 364   O  VAL D 383           
LINK         SG  CYS A 427                FE   HEM A 500     1555   1555  2.67  
CISPEP   1 GLU D  410    PRO D  411          0        -0.89                     
SITE     1 AC1 23 ARG A  92  ILE A 108  SER A 109  TRP A 117                    
SITE     2 AC1 23 LEU A 128  GLY A 291  THR A 294  THR A 295                    
SITE     3 AC1 23 THR A 298  LEU A 352  ALA A 361  LEU A 362                    
SITE     4 AC1 23 HIS A 364  LEU A 387  ALA A 419  PHE A 420                    
SITE     5 AC1 23 ARG A 425  VAL A 426  CYS A 427  LEU A 428                    
SITE     6 AC1 23 GLY A 429  ALA A 433  3QZ A 501                               
SITE     1 AC2  8 LEU A 110  LEU A 196  TRP A 200  ARG A 232                    
SITE     2 AC2  8 GLY A 290  THR A 294  VAL A 358  HEM A 500                    
SITE     1 AC3  5 LEU A  64  GLN A  67  ILE A  95  GLN A 206                    
SITE     2 AC3  5 VAL A 382                                                     
SITE     1 AC4 22 ARG B  92  ILE B 108  SER B 109  TRP B 117                    
SITE     2 AC4 22 LYS B 121  LEU B 128  GLY B 291  THR B 294                    
SITE     3 AC4 22 THR B 295  THR B 298  VAL B 358  LEU B 362                    
SITE     4 AC4 22 HIS B 364  LEU B 387  ALA B 419  PHE B 420                    
SITE     5 AC4 22 ARG B 425  CYS B 427  LEU B 428  GLY B 429                    
SITE     6 AC4 22 ALA B 433  3QZ B 501                                          
SITE     1 AC5 11 SER B 109  LEU B 110  LEU B 196  TRP B 200                    
SITE     2 AC5 11 ILE B 229  ARG B 232  GLY B 290  THR B 294                    
SITE     3 AC5 11 VAL B 358  VAL B 469  HEM B 500                               
SITE     1 AC6  5 LEU B  40  LEU B  64  GLN B 206  MET B 210                    
SITE     2 AC6  5 LEU B 360                                                     
SITE     1 AC7 20 ARG C  92  ILE C 108  SER C 109  GLY C 291                    
SITE     2 AC7 20 THR C 294  THR C 295  THR C 298  LEU C 352                    
SITE     3 AC7 20 VAL C 358  HIS C 364  LEU C 387  ALA C 419                    
SITE     4 AC7 20 PHE C 420  ARG C 425  CYS C 427  LEU C 428                    
SITE     5 AC7 20 GLY C 429  ALA C 433  3QZ C 501  HOH C 606                    
SITE     1 AC8  9 VAL C 101  SER C 109  LEU C 196  TRP C 200                    
SITE     2 AC8  9 ILE C 229  ARG C 232  ASP C 286  THR C 294                    
SITE     3 AC8  9 HEM C 500                                                     
SITE     1 AC9  5 GLN C 206  LEU C 360  ALA C 361  CYS C 467                    
SITE     2 AC9  5 GLY C 468                                                     
SITE     1 BC1 20 ARG D  92  SER D 109  TRP D 117  LYS D 121                    
SITE     2 BC1 20 GLY D 291  THR D 294  THR D 295  THR D 298                    
SITE     3 BC1 20 VAL D 358  ALA D 361  HIS D 364  LEU D 387                    
SITE     4 BC1 20 ALA D 419  PHE D 420  ARG D 425  VAL D 426                    
SITE     5 BC1 20 CYS D 427  LEU D 428  GLY D 429  3QZ D 501                    
SITE     1 BC2  7 SER D 109  LEU D 196  TRP D 200  ARG D 232                    
SITE     2 BC2  7 ASP D 286  THR D 294  HEM D 500                               
SITE     1 BC3  6 LEU D  64  GLY D  65  GLN D 206  LEU D 360                    
SITE     2 BC3  6 ALA D 361  CYS D 467                                          
CRYST1   67.871  167.998  111.843  90.00  90.09  90.00 P 1 21 1      8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.014734  0.000000  0.000023        0.00000                         
SCALE2      0.000000  0.005952  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008941        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
DBGET integrated database retrieval system