GenomeNet

Database: PDB
Entry: 1YEN
LinkDB: 1YEN
Original site: 1YEN 
HEADER    TRANSPORT PROTEIN                       28-DEC-04   1YEN              
TITLE     T-TO-T(HIGH) QUATERNARY TRANSITIONS IN HUMAN HEMOGLOBIN: BETAP36A OXY 
TITLE    2 (2MM IHP, 20% PEG) (10 TEST SETS)                                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HEMOGLOBIN ALPHA CHAIN;                                    
COMPND   3 CHAIN: A, C;                                                         
COMPND   4 MOL_ID: 2;                                                           
COMPND   5 MOLECULE: HEMOGLOBIN BETA CHAIN;                                     
COMPND   6 CHAIN: B, D;                                                         
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 TISSUE: BLOOD;                                                       
SOURCE   6 MOL_ID: 2;                                                           
SOURCE   7 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   8 ORGANISM_COMMON: HUMAN;                                              
SOURCE   9 ORGANISM_TAXID: 9606;                                                
SOURCE  10 GENE: HBB;                                                           
SOURCE  11 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  12 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    HEMOGLOBIN MUTANT, GLOBIN, TRANSPORT PROTEIN                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.S.KAVANAUGH,P.H.ROGERS,A.ARNONE                                     
REVDAT   5   23-AUG-23 1YEN    1       REMARK                                   
REVDAT   4   20-OCT-21 1YEN    1       REMARK SEQADV LINK                       
REVDAT   3   24-FEB-09 1YEN    1       VERSN                                    
REVDAT   2   10-MAY-05 1YEN    1       JRNL                                     
REVDAT   1   11-JAN-05 1YEN    0                                                
JRNL        AUTH   J.S.KAVANAUGH,P.H.ROGERS,A.ARNONE                            
JRNL        TITL   CRYSTALLOGRAPHIC EVIDENCE FOR A NEW ENSEMBLE OF              
JRNL        TITL 2 LIGAND-INDUCED ALLOSTERIC TRANSITIONS IN HEMOGLOBIN: THE     
JRNL        TITL 3 T-TO-T(HIGH) QUATERNARY TRANSITIONS.                         
JRNL        REF    BIOCHEMISTRY                  V.  44  6101 2005              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   15835899                                                     
JRNL        DOI    10.1021/BI047813A                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.0                                           
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 85.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 12142                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : 10 SETS MATCHED TO PDB ENTRY    
REMARK   3                                      1Y45                            
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.184                           
REMARK   3   R VALUE            (WORKING SET) : 0.175                           
REMARK   3   FREE R VALUE                     : 0.267                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.100                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 1365                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 7                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 3.01                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1993                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2320                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 248                          
REMARK   3   BIN FREE R VALUE                    : 0.4040                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4316                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 180                                     
REMARK   3   SOLVENT ATOMS            : 173                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 47.21                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.68000                                              
REMARK   3    B22 (A**2) : -1.66000                                             
REMARK   3    B33 (A**2) : -0.02000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.505         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.614         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 31.300        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.947                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.878                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  4652 ; 0.024 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  4116 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  6348 ; 2.054 ; 2.056       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  9552 ; 1.276 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   564 ; 3.953 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   741 ;20.213 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   692 ; 0.104 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  5114 ; 0.006 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   874 ; 0.005 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1432 ; 0.305 ; 0.300       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  4267 ; 0.243 ; 0.300       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):     1 ; 0.026 ; 0.500       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   256 ; 0.307 ; 0.500       
REMARK   3   H-BOND (X...Y) OTHERS             (A):    11 ; 0.195 ; 0.500       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    13 ; 0.226 ; 0.300       
REMARK   3   SYMMETRY VDW OTHERS               (A):    17 ; 0.273 ; 0.300       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     7 ; 0.266 ; 0.500       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  2824 ; 0.814 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  4510 ; 1.554 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1828 ; 2.112 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1838 ; 3.512 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 1YEN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-DEC-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000031430.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 05-MAY-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 169.0                              
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : OSMIC MIRRORS                      
REMARK 200  OPTICS                         : OSMIC MIRRORS                      
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA, CCP4 (SCALA)                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 14191                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 39.500                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 88.5                               
REMARK 200  DATA REDUNDANCY                : 2.400                              
REMARK 200  R MERGE                    (I) : 0.13800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 4.3000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.02                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 82.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.32000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1Y45                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.60                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.54                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 10% PEG 6000, 10 MM POTASSIUM            
REMARK 280  PHOSPHATE, 100 MM POTASSIUM CHLORIDE, 3 MM SODIUM DITHIONITE, 10    
REMARK 280  MG/ML DEOXYHB, PH 7.0, BATCH, TEMPERATURE 298K, 1 ATM N2.           
REMARK 280  EXPOSING DEOXY CRYSTAL TO LIGAND: A DEOXY CRYSTAL WAS SOAKED        
REMARK 280  (UNDER 1 ATM NITROGEN) IN SUBSTITUTE MOTHER LIQUOR CONTAINING 20%   
REMARK 280  PEG 6000, 10 MM POTASSIUM PHOSPHATE (PH 7.0), 100 MM POTASSIUM      
REMARK 280  CHLORIDE, AND 2.2 MM IHP. THE IHP-STABILIZED CRYSTAL WAS THEN       
REMARK 280  EXPOSED TO 1 ATM OF OXYGEN AT 177K AND DATA WAS COLLECTED AT        
REMARK 280  169K.                                                               
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       4555   X+1/2,-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        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000       47.75000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       49.20000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       47.75000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       49.20000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
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 300 REMARK: THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT IN THIS ENTRY IS AN     
REMARK 300 ALPHA2BETA2 TETRAMER. THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT AND THE   
REMARK 300 BIOLOGICAL UNIT ARE EQUIVALENT.                                      
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: TETRAMERIC                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, 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     LYS A   139                                                      
REMARK 465     TYR A   140                                                      
REMARK 465     ARG A   141                                                      
REMARK 465     LYS C   139                                                      
REMARK 465     TYR C   140                                                      
REMARK 465     ARG C   141                                                      
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    HOH A   310     O    HOH A   342              1.33            
REMARK 500   NZ   LYS C     7     OD1  ASP C    74              1.68            
REMARK 500   N    ASN D   102     O    HOH D   401              1.78            
REMARK 500   O    LYS C    56     O    HOH C   354              1.81            
REMARK 500   OE1  GLU D   101     O    HOH D   293              1.83            
REMARK 500   NH1  ARG B   104     O    HOH B   248              1.85            
REMARK 500   CD   LYS C   127     O    HOH C   394              1.92            
REMARK 500   O    MET B    55     O    HOH B   313              1.93            
REMARK 500   O    HIS B   146     O    HOH B   278              1.96            
REMARK 500   O    HOH C   257     O    HOH C   333              1.97            
REMARK 500   ND1  HIS D   143     O    HOH D   316              1.99            
REMARK 500   O    ASN B   139     O    HOH B   397              2.04            
REMARK 500   OE1  GLU B   121     O    HOH B   289              2.06            
REMARK 500   O    PRO C     4     OG1  THR C     8              2.09            
REMARK 500   O    SER A    35     O    HOH A   291              2.15            
REMARK 500   ND2  ASN C    97     O    HOH C   436              2.15            
REMARK 500   C    SER A   138     O    HOH A   222              2.15            
REMARK 500   OD1  ASN B    57     O    HOH B   362              2.16            
REMARK 500   OG1  THR C    67     O    HOH C   384              2.17            
REMARK 500   O    HOH B   302     O    HOH B   313              2.18            
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   NZ   LYS B   120     O1D  HEM C   142     3555     2.10            
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    ASP A  64   CB  -  CG  -  OD2 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    ASP B  79   CB  -  CG  -  OD2 ANGL. DEV. =   8.4 DEGREES          
REMARK 500    ASP C  74   CB  -  CG  -  OD2 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    ASP C  94   CB  -  CG  -  OD2 ANGL. DEV. =   6.1 DEGREES          
REMARK 500    ASP D  47   CB  -  CG  -  OD2 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    ASP D  79   CB  -  CG  -  OD2 ANGL. DEV. =   6.0 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    SER A  52      135.03    -35.47                                   
REMARK 500    ASP A  75       48.94   -150.26                                   
REMARK 500    HIS A  89      -69.19   -124.53                                   
REMARK 500    VAL B  11      -75.55    -66.10                                   
REMARK 500    ALA B  36      -52.34     -6.02                                   
REMARK 500    ARG B  40       -1.65    -56.25                                   
REMARK 500    LEU B  48       43.68   -150.86                                   
REMARK 500    HIS B  77       66.33   -152.60                                   
REMARK 500    ASN B  80       45.25   -152.45                                   
REMARK 500    ASP C  75       23.79   -147.23                                   
REMARK 500    ARG C  92       81.18     58.62                                   
REMARK 500    LEU C 113       60.29   -119.38                                   
REMARK 500    PHE C 117       61.80    -66.84                                   
REMARK 500    PRO C 119      -16.37    -49.25                                   
REMARK 500    HIS D   2       71.94    -48.67                                   
REMARK 500    TYR D  35       66.80   -110.85                                   
REMARK 500    LEU D  48       37.15   -142.73                                   
REMARK 500    ASN D  80       71.14   -168.39                                   
REMARK 500    HIS D  97       47.53     71.53                                   
REMARK 500    LYS D 120      -72.11    -36.61                                   
REMARK 500    GLU D 121      -19.67    -34.71                                   
REMARK 500    PHE D 122       43.55    -89.05                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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 142  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  87   NE2                                                    
REMARK 620 2 HEM A 142   NA   86.1                                              
REMARK 620 3 HEM A 142   NB   93.3  89.4                                        
REMARK 620 4 HEM A 142   NC  102.4 170.3  85.6                                  
REMARK 620 5 HEM A 142   ND   95.6  93.6 170.8  90.1                            
REMARK 620 6 OXY A 150   O1  169.3  84.2  91.1  87.6  80.5                      
REMARK 620 7 OXY A 150   O2  171.9  99.3  80.8  71.8  90.2  18.5                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM B 147  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B  92   NE2                                                    
REMARK 620 2 HEM B 147   NA   91.9                                              
REMARK 620 3 HEM B 147   NB   94.4  92.4                                        
REMARK 620 4 HEM B 147   NC   98.2 169.7  84.8                                  
REMARK 620 5 HEM B 147   ND   96.6  83.1 168.3  97.7                            
REMARK 620 6 OXY B 150   O1  169.0  78.8  92.0  91.4  76.5                      
REMARK 620 7 OXY B 150   O2  170.7  88.3  76.3  81.5  92.7  17.9                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM C 142  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS C  87   NE2                                                    
REMARK 620 2 HEM C 142   NA   93.6                                              
REMARK 620 3 HEM C 142   NB   97.2  87.4                                        
REMARK 620 4 HEM C 142   NC   99.6 165.8  85.6                                  
REMARK 620 5 HEM C 142   ND   96.0  92.4 166.7  91.5                            
REMARK 620 6 OXY C 150   O1  169.3  76.6  86.8  90.6  80.3                      
REMARK 620 7 OXY C 150   O2  168.6  92.5  73.5  73.6  93.3  21.1                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM D 147  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS D  92   NE2                                                    
REMARK 620 2 HEM D 147   NA   93.5                                              
REMARK 620 3 HEM D 147   NB   83.7  96.4                                        
REMARK 620 4 HEM D 147   NC   98.1 168.0  88.0                                  
REMARK 620 5 HEM D 147   ND  105.2  80.7 170.7  93.2                            
REMARK 620 6 OXY D 150   O1  161.4  70.3  88.9  98.7  81.8                      
REMARK 620 7 OXY D 150   O2  160.9  85.2  77.5  84.8  93.5  17.7                
REMARK 620 N                    1     2     3     4     5     6                 
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 142                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OXY A 150                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 147                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OXY B 150                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM C 142                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OXY C 150                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM D 147                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OXY D 150                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1Y0W   RELATED DB: PDB                                   
REMARK 900 BETAV1M DEOXY LOW-SALT (10 TEST SETS)                                
REMARK 900 RELATED ID: 1Y45   RELATED DB: PDB                                   
REMARK 900 BETAP36A DEOXY LOW-SALT (10 TEST SETS)                               
DBREF  1YEN A    1   141  UNP    P69905   HBA_HUMAN        1    141             
DBREF  1YEN C    1   141  UNP    P69905   HBA_HUMAN        1    141             
DBREF  1YEN B    1   146  UNP    P68871   HBB_HUMAN        1    146             
DBREF  1YEN D    1   146  UNP    P68871   HBB_HUMAN        1    146             
SEQADV 1YEN MET B    1  UNP  P68871    VAL     1 ENGINEERED MUTATION            
SEQADV 1YEN ALA B   36  UNP  P68871    PRO    36 ENGINEERED MUTATION            
SEQADV 1YEN MET D    1  UNP  P68871    VAL     1 ENGINEERED MUTATION            
SEQADV 1YEN ALA D   36  UNP  P68871    PRO    36 ENGINEERED MUTATION            
SEQRES   1 A  141  VAL LEU SER PRO ALA ASP LYS THR ASN VAL LYS ALA ALA          
SEQRES   2 A  141  TRP GLY LYS VAL GLY ALA HIS ALA GLY GLU TYR GLY ALA          
SEQRES   3 A  141  GLU ALA LEU GLU ARG MET PHE LEU SER PHE PRO THR THR          
SEQRES   4 A  141  LYS THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY SER          
SEQRES   5 A  141  ALA GLN VAL LYS GLY HIS GLY LYS LYS VAL ALA ASP ALA          
SEQRES   6 A  141  LEU THR ASN ALA VAL ALA HIS VAL ASP ASP MET PRO ASN          
SEQRES   7 A  141  ALA LEU SER ALA LEU SER ASP LEU HIS ALA HIS LYS LEU          
SEQRES   8 A  141  ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS CYS          
SEQRES   9 A  141  LEU LEU VAL THR LEU ALA ALA HIS LEU PRO ALA GLU PHE          
SEQRES  10 A  141  THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU ALA          
SEQRES  11 A  141  SER VAL SER THR VAL LEU THR SER LYS TYR ARG                  
SEQRES   1 B  146  MET HIS LEU THR PRO GLU GLU LYS SER ALA VAL THR ALA          
SEQRES   2 B  146  LEU TRP GLY LYS VAL ASN VAL ASP GLU VAL GLY GLY GLU          
SEQRES   3 B  146  ALA LEU GLY ARG LEU LEU VAL VAL TYR ALA TRP THR GLN          
SEQRES   4 B  146  ARG PHE PHE GLU SER PHE GLY ASP LEU SER THR PRO ASP          
SEQRES   5 B  146  ALA VAL MET GLY ASN PRO LYS VAL LYS ALA HIS GLY LYS          
SEQRES   6 B  146  LYS VAL LEU GLY ALA PHE SER ASP GLY LEU ALA HIS LEU          
SEQRES   7 B  146  ASP ASN LEU LYS GLY THR PHE ALA THR LEU SER GLU LEU          
SEQRES   8 B  146  HIS CYS ASP LYS LEU HIS VAL ASP PRO GLU ASN PHE ARG          
SEQRES   9 B  146  LEU LEU GLY ASN VAL LEU VAL CYS VAL LEU ALA HIS HIS          
SEQRES  10 B  146  PHE GLY LYS GLU PHE THR PRO PRO VAL GLN ALA ALA TYR          
SEQRES  11 B  146  GLN LYS VAL VAL ALA GLY VAL ALA ASN ALA LEU ALA HIS          
SEQRES  12 B  146  LYS TYR HIS                                                  
SEQRES   1 C  141  VAL LEU SER PRO ALA ASP LYS THR ASN VAL LYS ALA ALA          
SEQRES   2 C  141  TRP GLY LYS VAL GLY ALA HIS ALA GLY GLU TYR GLY ALA          
SEQRES   3 C  141  GLU ALA LEU GLU ARG MET PHE LEU SER PHE PRO THR THR          
SEQRES   4 C  141  LYS THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY SER          
SEQRES   5 C  141  ALA GLN VAL LYS GLY HIS GLY LYS LYS VAL ALA ASP ALA          
SEQRES   6 C  141  LEU THR ASN ALA VAL ALA HIS VAL ASP ASP MET PRO ASN          
SEQRES   7 C  141  ALA LEU SER ALA LEU SER ASP LEU HIS ALA HIS LYS LEU          
SEQRES   8 C  141  ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS CYS          
SEQRES   9 C  141  LEU LEU VAL THR LEU ALA ALA HIS LEU PRO ALA GLU PHE          
SEQRES  10 C  141  THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU ALA          
SEQRES  11 C  141  SER VAL SER THR VAL LEU THR SER LYS TYR ARG                  
SEQRES   1 D  146  MET HIS LEU THR PRO GLU GLU LYS SER ALA VAL THR ALA          
SEQRES   2 D  146  LEU TRP GLY LYS VAL ASN VAL ASP GLU VAL GLY GLY GLU          
SEQRES   3 D  146  ALA LEU GLY ARG LEU LEU VAL VAL TYR ALA TRP THR GLN          
SEQRES   4 D  146  ARG PHE PHE GLU SER PHE GLY ASP LEU SER THR PRO ASP          
SEQRES   5 D  146  ALA VAL MET GLY ASN PRO LYS VAL LYS ALA HIS GLY LYS          
SEQRES   6 D  146  LYS VAL LEU GLY ALA PHE SER ASP GLY LEU ALA HIS LEU          
SEQRES   7 D  146  ASP ASN LEU LYS GLY THR PHE ALA THR LEU SER GLU LEU          
SEQRES   8 D  146  HIS CYS ASP LYS LEU HIS VAL ASP PRO GLU ASN PHE ARG          
SEQRES   9 D  146  LEU LEU GLY ASN VAL LEU VAL CYS VAL LEU ALA HIS HIS          
SEQRES  10 D  146  PHE GLY LYS GLU PHE THR PRO PRO VAL GLN ALA ALA TYR          
SEQRES  11 D  146  GLN LYS VAL VAL ALA GLY VAL ALA ASN ALA LEU ALA HIS          
SEQRES  12 D  146  LYS TYR HIS                                                  
HET    HEM  A 142      43                                                       
HET    OXY  A 150       2                                                       
HET    HEM  B 147      43                                                       
HET    OXY  B 150       2                                                       
HET    HEM  C 142      43                                                       
HET    OXY  C 150       2                                                       
HET    HEM  D 147      43                                                       
HET    OXY  D 150       2                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     OXY OXYGEN MOLECULE                                                  
HETSYN     HEM HEME                                                             
FORMUL   5  HEM    4(C34 H32 FE N4 O4)                                          
FORMUL   6  OXY    4(O2)                                                        
FORMUL  13  HOH   *173(H2 O)                                                    
HELIX    1   1 SER A    3  GLY A   18  1                                  16    
HELIX    2   2 HIS A   20  PHE A   36  1                                  17    
HELIX    3   3 PRO A   37  PHE A   43  5                                   7    
HELIX    4   4 SER A   52  HIS A   72  1                                  21    
HELIX    5   5 ASP A   75  LEU A   80  1                                   6    
HELIX    6   6 LEU A   80  HIS A   89  1                                  10    
HELIX    7   7 ASP A   94  LEU A  113  1                                  20    
HELIX    8   8 THR A  118  LEU A  136  1                                  19    
HELIX    9   9 THR B    4  GLY B   16  1                                  13    
HELIX   10  10 ASN B   19  TYR B   35  1                                  17    
HELIX   11  11 PHE B   42  GLY B   46  5                                   5    
HELIX   12  12 THR B   50  ASN B   57  1                                   8    
HELIX   13  13 ASN B   57  ALA B   76  1                                  20    
HELIX   14  14 HIS B   77  ASP B   79  5                                   3    
HELIX   15  15 ASN B   80  PHE B   85  1                                   6    
HELIX   16  16 PHE B   85  LYS B   95  1                                  11    
HELIX   17  17 PRO B  100  GLY B  119  1                                  20    
HELIX   18  18 LYS B  120  PHE B  122  5                                   3    
HELIX   19  19 THR B  123  HIS B  143  1                                  21    
HELIX   20  20 SER C    3  GLY C   18  1                                  16    
HELIX   21  21 HIS C   20  PHE C   36  1                                  17    
HELIX   22  22 PRO C   37  PHE C   43  5                                   7    
HELIX   23  23 SER C   52  HIS C   72  1                                  21    
HELIX   24  24 ASP C   75  HIS C   89  1                                  15    
HELIX   25  25 ASP C   94  LEU C  113  1                                  20    
HELIX   26  26 THR C  118  THR C  137  1                                  20    
HELIX   27  27 THR D    4  GLY D   16  1                                  13    
HELIX   28  28 ASN D   19  TYR D   35  1                                  17    
HELIX   29  29 ALA D   36  GLY D   46  5                                  11    
HELIX   30  30 THR D   50  ASN D   57  1                                   8    
HELIX   31  31 ASN D   57  ALA D   76  1                                  20    
HELIX   32  32 HIS D   77  ASP D   79  5                                   3    
HELIX   33  33 ASN D   80  PHE D   85  1                                   6    
HELIX   34  34 PHE D   85  LYS D   95  1                                  11    
HELIX   35  35 GLU D  101  GLY D  119  1                                  19    
HELIX   36  36 LYS D  120  PHE D  122  5                                   3    
HELIX   37  37 THR D  123  HIS D  143  1                                  21    
LINK         NE2 HIS A  87                FE   HEM A 142     1555   1555  2.08  
LINK        FE   HEM A 142                 O1  OXY A 150     1555   1555  1.76  
LINK        FE   HEM A 142                 O2  OXY A 150     1555   1555  2.79  
LINK         NE2 HIS B  92                FE   HEM B 147     1555   1555  2.11  
LINK        FE   HEM B 147                 O1  OXY B 150     1555   1555  1.81  
LINK        FE   HEM B 147                 O2  OXY B 150     1555   1555  2.84  
LINK         NE2 HIS C  87                FE   HEM C 142     1555   1555  2.06  
LINK        FE   HEM C 142                 O1  OXY C 150     1555   1555  1.75  
LINK        FE   HEM C 142                 O2  OXY C 150     1555   1555  2.69  
LINK         NE2 HIS D  92                FE   HEM D 147     1555   1555  2.08  
LINK        FE   HEM D 147                 O1  OXY D 150     1555   1555  1.81  
LINK        FE   HEM D 147                 O2  OXY D 150     1555   1555  2.85  
SITE     1 AC1 13 TYR A  42  PHE A  43  HIS A  45  HIS A  58                    
SITE     2 AC1 13 LYS A  61  LEU A  83  HIS A  87  LEU A  91                    
SITE     3 AC1 13 VAL A  93  ASN A  97  PHE A  98  LEU A 101                    
SITE     4 AC1 13 OXY A 150                                                     
SITE     1 AC2  2 HIS A  58  HEM A 142                                          
SITE     1 AC3 13 PHE B  41  HIS B  63  LYS B  66  LEU B  88                    
SITE     2 AC3 13 LEU B  91  HIS B  92  VAL B  98  ASN B 102                    
SITE     3 AC3 13 LEU B 106  VAL B 137  LEU B 141  OXY B 150                    
SITE     4 AC3 13 HOH B 262                                                     
SITE     1 AC4  3 HIS B  63  VAL B  67  HEM B 147                               
SITE     1 AC5 17 LYS B 120  TYR C  42  PHE C  43  HIS C  45                    
SITE     2 AC5 17 PHE C  46  HIS C  58  LYS C  61  ALA C  65                    
SITE     3 AC5 17 LEU C  83  HIS C  87  LEU C  91  VAL C  93                    
SITE     4 AC5 17 ASN C  97  LEU C 101  LEU C 136  OXY C 150                    
SITE     5 AC5 17 HOH C 437                                                     
SITE     1 AC6  3 HIS C  58  VAL C  62  HEM C 142                               
SITE     1 AC7  9 LYS C  56  PHE D  41  HIS D  63  LEU D  91                    
SITE     2 AC7  9 HIS D  92  VAL D  98  PHE D 103  LEU D 141                    
SITE     3 AC7  9 OXY D 150                                                     
SITE     1 AC8  3 HIS D  63  VAL D  67  HEM D 147                               
CRYST1   95.500   98.400   67.200  90.00  90.00  90.00 P 21 21 2     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      0.010471  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010163  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014881        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
DBGET integrated database retrieval system