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Database: PDB
Entry: 1N4G
LinkDB: 1N4G
Original site: 1N4G 
HEADER    OXIDOREDUCTASE                          31-OCT-02   1N4G              
TITLE     STRUCTURE OF CYP121, A MYCOBACTERIAL P450, IN COMPLEX WITH            
TITLE    2 IODOPYRAZOLE                                                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYTOCHROME P450 121;                                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: P450 CYP 121;                                              
COMPND   5 SYNONYM: P450 MT2;                                                   
COMPND   6 EC: 1.14.-.-;                                                        
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS;                     
SOURCE   3 ORGANISM_TAXID: 1773;                                                
SOURCE   4 GENE: CYP121 OR RV2276 OR MT2336 OR MTCY339.34C;                     
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET11A                                    
KEYWDS    P450 FOLD, IODOPYRAZOLE COMPLEX, HEME BINDING, STRUCTURAL GENOMICS,   
KEYWDS   2 PSI, PROTEIN STRUCTURE INITIATIVE, TB STRUCTURAL GENOMICS            
KEYWDS   3 CONSORTIUM, TBSGC, OXIDOREDUCTASE                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.LEYS,C.G.MOWAT,K.J.MCLEAN,A.RICHMOND,S.K.CHAPMAN,M.D.WALKINSHAW,    
AUTHOR   2 A.W.MUNRO,TB STRUCTURAL GENOMICS CONSORTIUM (TBSGC)                  
REVDAT   5   14-FEB-24 1N4G    1       REMARK LINK                              
REVDAT   4   24-FEB-09 1N4G    1       VERSN                                    
REVDAT   3   01-FEB-05 1N4G    1       AUTHOR KEYWDS REMARK                     
REVDAT   2   25-JAN-05 1N4G    1       JRNL                                     
REVDAT   1   04-FEB-03 1N4G    0                                                
JRNL        AUTH   D.LEYS,C.G.MOWAT,K.J.MCLEAN,A.RICHMOND,S.K.CHAPMAN,          
JRNL        AUTH 2 M.D.WALKINSHAW,A.W.MUNRO                                     
JRNL        TITL   ATOMIC STRUCTURE OF MYCOBACTERIUM TUBERCULOSIS CYP121 TO     
JRNL        TITL 2 1.06 A REVEALS NOVEL FEATURES OF CYTOCHROME P450.            
JRNL        REF    J.BIOL.CHEM.                  V. 278  5141 2003              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   12435731                                                     
JRNL        DOI    10.1074/JBC.M209928200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 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) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 9.98                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 100.0                          
REMARK   3   NUMBER OF REFLECTIONS             : 42578                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.206                           
REMARK   3   R VALUE            (WORKING SET) : 0.205                           
REMARK   3   FREE R VALUE                     : 0.217                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2284                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.85                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2800                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 90.60                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2200                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 163                          
REMARK   3   BIN FREE R VALUE                    : 0.2730                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2946                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 49                                      
REMARK   3   SOLVENT ATOMS            : 539                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 14.21                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : -0.01000                                             
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): 0.132         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.115         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.080         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.545         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.933                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.927                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3057 ; 0.022 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  2900 ; 0.004 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4186 ; 1.865 ; 2.015       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  6686 ; 1.603 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   390 ; 5.394 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   469 ;12.073 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   485 ; 0.110 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3411 ; 0.008 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   591 ; 0.004 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   541 ; 0.215 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  2632 ; 0.268 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  1368 ; 0.072 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   191 ; 0.161 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
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):    15 ; 0.193 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    52 ; 0.301 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    41 ; 0.228 ; 0.200       
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):  1960 ; 0.821 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3146 ; 1.437 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1097 ; 2.605 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1040 ; 4.200 ; 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 1N4G COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-NOV-02.                  
REMARK 100 THE DEPOSITION ID IS D_1000017506.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-JUN-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.3                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : X11                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9                                
REMARK 200  MONOCHROMATOR                  : DIAMOND                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 44862                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.2                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.07200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.1000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.84                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 90.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: 1N40                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.87                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.42                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULPHATE, PH 6.3, VAPOR         
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 277K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+1/6                                            
REMARK 290       6555   X-Y,X,Z+5/6                                             
REMARK 290       7555   Y,X,-Z+2/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+1/3                                          
REMARK 290      10555   -Y,-X,-Z+1/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+5/6                                            
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000      178.82667            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       89.41333            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      134.12000            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       44.70667            
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000      223.53333            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000      178.82667            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000       89.41333            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       44.70667            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000      134.12000            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000      223.53333            
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 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 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 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 732  LIES ON A SPECIAL POSITION.                          
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     THR A     2                                                      
REMARK 465     PRO A   107                                                      
REMARK 465     GLY A   108                                                      
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     THR A   4    OG1  CG2                                            
REMARK 470     GLU A  24    CG   CD   OE1  OE2                                  
REMARK 470     ARG A  28    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU A  29    CG   CD   OE1  OE2                                  
REMARK 470     ARG A  95    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A  96    CG   CD   CE   NZ                                   
REMARK 470     LYS A 100    CG   CD   CE   NZ                                   
REMARK 470     LYS A 105    CG   CD   CE   NZ                                   
REMARK 470     ARG A 114    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU A 155    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 159    CG   CD   CE   NZ                                   
REMARK 470     ARG A 162    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ASN A 197    CG   OD1  ND2                                       
REMARK 470     GLU A 261    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 262    CG   CD   CE   NZ                                   
REMARK 470     GLU A 264    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 364    CG   CD   CE   NZ                                   
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   N    LEU A   109     O    HOH A   767              2.16            
REMARK 500   O    HOH A   863     O    HOH A   904              2.18            
REMARK 500   NZ   LYS A    33     OE1  GLU A    41              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   O    HOH A   817     O    HOH A   849     5555     2.03            
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  20   CB  -  CG  -  OD2 ANGL. DEV. =   7.3 DEGREES          
REMARK 500    ARG A  26   NE  -  CZ  -  NH1 ANGL. DEV. =  -4.5 DEGREES          
REMARK 500    ARG A  26   NE  -  CZ  -  NH2 ANGL. DEV. =   4.2 DEGREES          
REMARK 500    ASP A 122   CB  -  CG  -  OD1 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    ARG A 134   NE  -  CZ  -  NH1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500    ARG A 134   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.5 DEGREES          
REMARK 500    ASP A 136   CB  -  CG  -  OD2 ANGL. DEV. =   7.4 DEGREES          
REMARK 500    ARG A 184   CD  -  NE  -  CZ  ANGL. DEV. =  15.2 DEGREES          
REMARK 500    ARG A 184   NE  -  CZ  -  NH1 ANGL. DEV. = -12.0 DEGREES          
REMARK 500    ARG A 184   NE  -  CZ  -  NH2 ANGL. DEV. =  13.1 DEGREES          
REMARK 500    ASP A 212   CB  -  CG  -  OD1 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    VAL A 369   CB  -  CA  -  C   ANGL. DEV. = -16.1 DEGREES          
REMARK 500    ARG A 383   NE  -  CZ  -  NH2 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    ARG A 387   NE  -  CZ  -  NH1 ANGL. DEV. =   3.1 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    GLU A  29       72.24   -154.95                                   
REMARK 500    PHE A 137      -77.56   -140.71                                   
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 462  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 345   SG                                                     
REMARK 620 2 HEM A 462   NA   99.6                                              
REMARK 620 3 HEM A 462   NB   91.6  86.1                                        
REMARK 620 4 HEM A 462   NC   88.2 170.0  87.5                                  
REMARK 620 5 HEM A 462   ND   99.7  91.2 168.7  93.7                            
REMARK 620 6 HOH A 671   O   175.5  83.6  85.5  88.2  83.3                      
REMARK 620 N                    1     2     3     4     5                       
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 462                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PYZ A 600                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1N40   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF CYP121 TO ATOMIC RESOLUTION                             
REMARK 900 RELATED ID: RV2276   RELATED DB: TARGETDB                            
DBREF  1N4G A    1   396  UNP    P0A514   CP121_MYCTU      1    396             
SEQRES   1 A  396  MET THR ALA THR VAL LEU LEU GLU VAL PRO PHE SER ALA          
SEQRES   2 A  396  ARG GLY ASP ARG ILE PRO ASP ALA VAL ALA GLU LEU ARG          
SEQRES   3 A  396  THR ARG GLU PRO ILE ARG LYS VAL ARG THR ILE THR GLY          
SEQRES   4 A  396  ALA GLU ALA TRP LEU VAL SER SER TYR ALA LEU CYS THR          
SEQRES   5 A  396  GLN VAL LEU GLU ASP ARG ARG PHE SER MET LYS GLU THR          
SEQRES   6 A  396  ALA ALA ALA GLY ALA PRO ARG LEU ASN ALA LEU THR VAL          
SEQRES   7 A  396  PRO PRO GLU VAL VAL ASN ASN MET GLY ASN ILE ALA ASP          
SEQRES   8 A  396  ALA GLY LEU ARG LYS ALA VAL MET LYS ALA ILE THR PRO          
SEQRES   9 A  396  LYS ALA PRO GLY LEU GLU GLN PHE LEU ARG ASP THR ALA          
SEQRES  10 A  396  ASN SER LEU LEU ASP ASN LEU ILE THR GLU GLY ALA PRO          
SEQRES  11 A  396  ALA ASP LEU ARG ASN ASP PHE ALA ASP PRO LEU ALA THR          
SEQRES  12 A  396  ALA LEU HIS CYS LYS VAL LEU GLY ILE PRO GLN GLU ASP          
SEQRES  13 A  396  GLY PRO LYS LEU PHE ARG SER LEU SER ILE ALA PHE MET          
SEQRES  14 A  396  SER SER ALA ASP PRO ILE PRO ALA ALA LYS ILE ASN TRP          
SEQRES  15 A  396  ASP ARG ASP ILE GLU TYR MET ALA GLY ILE LEU GLU ASN          
SEQRES  16 A  396  PRO ASN ILE THR THR GLY LEU MET GLY GLU LEU SER ARG          
SEQRES  17 A  396  LEU ARG LYS ASP PRO ALA TYR SER HIS VAL SER ASP GLU          
SEQRES  18 A  396  LEU PHE ALA THR ILE GLY VAL THR PHE PHE GLY ALA GLY          
SEQRES  19 A  396  VAL ILE SER THR GLY SER PHE LEU THR THR ALA LEU ILE          
SEQRES  20 A  396  SER LEU ILE GLN ARG PRO GLN LEU ARG ASN LEU LEU HIS          
SEQRES  21 A  396  GLU LYS PRO GLU LEU ILE PRO ALA GLY VAL GLU GLU LEU          
SEQRES  22 A  396  LEU ARG ILE ASN LEU SER PHE ALA ASP GLY LEU PRO ARG          
SEQRES  23 A  396  LEU ALA THR ALA ASP ILE GLN VAL GLY ASP VAL LEU VAL          
SEQRES  24 A  396  ARG LYS GLY GLU LEU VAL LEU VAL LEU LEU GLU GLY ALA          
SEQRES  25 A  396  ASN PHE ASP PRO GLU HIS PHE PRO ASN PRO GLY SER ILE          
SEQRES  26 A  396  GLU LEU ASP ARG PRO ASN PRO THR SER HIS LEU ALA PHE          
SEQRES  27 A  396  GLY ARG GLY GLN HIS PHE CYS PRO GLY SER ALA LEU GLY          
SEQRES  28 A  396  ARG ARG HIS ALA GLN ILE GLY ILE GLU ALA LEU LEU LYS          
SEQRES  29 A  396  LYS MET PRO GLY VAL ASP LEU ALA VAL PRO ILE ASP GLN          
SEQRES  30 A  396  LEU VAL TRP ARG THR ARG PHE GLN ARG ARG ILE PRO GLU          
SEQRES  31 A  396  ARG LEU PRO VAL LEU TRP                                      
HET    HEM  A 462      43                                                       
HET    PYZ  A 600       6                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     PYZ 4-IODOPYRAZOLE                                                   
HETSYN     HEM HEME                                                             
FORMUL   2  HEM    C34 H32 FE N4 O4                                             
FORMUL   3  PYZ    C3 H3 I N2                                                   
FORMUL   4  HOH   *539(H2 O)                                                    
HELIX    1   1 ASP A   20  GLU A   29  1                                  10    
HELIX    2   2 SER A   47  GLU A   56  1                                  10    
HELIX    3   3 MET A   62  ALA A   67  5                                   6    
HELIX    4   4 PRO A   79  VAL A   83  5                                   5    
HELIX    5   5 ASN A   84  ALA A   92  1                                   9    
HELIX    6   6 LEU A   94  ILE A  102  1                                   9    
HELIX    7   7 LEU A  109  GLY A  128  1                                  20    
HELIX    8   8 PHE A  137  GLY A  151  1                                  15    
HELIX    9   9 PRO A  153  GLU A  155  5                                   3    
HELIX   10  10 ASP A  156  SER A  163  1                                   8    
HELIX   11  11 SER A  163  PHE A  168  1                                   6    
HELIX   12  12 ILE A  175  GLU A  194  1                                  20    
HELIX   13  13 THR A  200  ARG A  210  1                                  11    
HELIX   14  14 LYS A  211  SER A  216  5                                   6    
HELIX   15  15 SER A  219  GLN A  251  1                                  33    
HELIX   16  16 ARG A  252  LYS A  262  1                                  11    
HELIX   17  17 LEU A  265  ILE A  276  1                                  12    
HELIX   18  18 LEU A  308  PHE A  314  1                                   7    
HELIX   19  19 ARG A  340  PHE A  344  5                                   5    
HELIX   20  20 GLY A  347  MET A  366  1                                  20    
HELIX   21  21 PRO A  374  LEU A  378  5                                   5    
SHEET    1   A 5 ILE A  31  ARG A  35  0                                        
SHEET    2   A 5 GLU A  41  VAL A  45 -1  O  LEU A  44   N  ARG A  32           
SHEET    3   A 5 LEU A 304  VAL A 307  1  O  LEU A 306   N  TRP A  43           
SHEET    4   A 5 LEU A 284  ALA A 288 -1  N  ARG A 286   O  VAL A 305           
SHEET    5   A 5 PHE A  60  SER A  61 -1  N  SER A  61   O  LEU A 287           
SHEET    1   B 3 ALA A 131  ASP A 132  0                                        
SHEET    2   B 3 PRO A 393  LEU A 395 -1  O  VAL A 394   N  ALA A 131           
SHEET    3   B 3 ASP A 370  LEU A 371 -1  N  ASP A 370   O  LEU A 395           
SHEET    1   C 2 ILE A 292  VAL A 294  0                                        
SHEET    2   C 2 VAL A 297  VAL A 299 -1  O  VAL A 297   N  VAL A 294           
LINK         SG  CYS A 345                FE   HEM A 462     1555   1555  2.32  
LINK        FE   HEM A 462                 O   HOH A 671     1555   1555  2.41  
CISPEP   1 VAL A    9    PRO A   10          0         1.08                     
CISPEP   2 ALA A  129    PRO A  130          0        -5.90                     
SITE     1 AC1 19 MET A  62  MET A  86  HIS A 146  GLY A 234                    
SITE     2 AC1 19 SER A 237  PHE A 280  ARG A 286  ALA A 337                    
SITE     3 AC1 19 PHE A 338  GLY A 339  HIS A 343  CYS A 345                    
SITE     4 AC1 19 PRO A 346  HOH A 639  HOH A 648  HOH A 671                    
SITE     5 AC1 19 HOH A 686  HOH A 741  HOH A 775                               
SITE     1 AC2  3 VAL A  78  HOH A 715  HOH A 839                               
CRYST1   78.717   78.717  268.240  90.00  90.00 120.00 P 65 2 2     12          
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      0.012704  0.007335  0.000000        0.00000                         
SCALE2      0.000000  0.014669  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.003728        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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