HEADER    ELECTRON TRANSPORT PROTEIN (CYTOCHROME) 03-NOV-83   3C2C              
TITLE     REFINEMENT OF THE CRYSTAL STRUCTURE OF OXIDIZED RHODOSPIRILLUM RUBRUM 
TITLE    2 CYTOCHROME C2                                                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYTOCHROME C2;                                             
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: RHODOSPIRILLUM RUBRUM;                          
SOURCE   3 ORGANISM_TAXID: 1085                                                 
KEYWDS    ELECTRON TRANSPORT PROTEIN (CYTOCHROME)                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    G.BHATIA,B.C.FINZEL,J.KRAUT                                           
REVDAT   4   21-FEB-24 3C2C    1       REMARK SEQADV LINK                       
REVDAT   3   29-NOV-17 3C2C    1       HELIX                                    
REVDAT   2   24-FEB-09 3C2C    1       VERSN                                    
REVDAT   1   02-FEB-84 3C2C    0                                                
JRNL        AUTH   G.E.BHATIA                                                   
JRNL        TITL   REFINEMENT OF THE CRYSTAL STRUCTURE OF OXIDIZED              
JRNL        TITL 2 RHODOSPIRILLUM RUBRUM CYTOCHROME C2                          
JRNL        REF    THESIS                                     1981              
JRNL        REFN                                                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   F.R.SALEMME,S.T.FREER,N.H.XUONG,R.A.ALDEN,J.KRAUT            
REMARK   1  TITL   THE STRUCTURE OF OXIDIZED CYTOCHROME C2 OF RHODOSPIRILLUM    
REMARK   1  TITL 2 RUBRUM                                                       
REMARK   1  REF    J.BIOL.CHEM.                  V. 248  3910 1973              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.68 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PROLSQ                                               
REMARK   3   AUTHORS     : KONNERT,HENDRICKSON                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.68                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : NULL                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : NULL                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE     (WORKING + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.175                           
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL WITH ALL DATA.                               
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : NULL                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 832                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 43                                      
REMARK   3   SOLVENT ATOMS            : 87                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : NULL  ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : NULL  ; NULL                
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND               (A**2) : NULL  ; NULL                
REMARK   3   MAIN-CHAIN ANGLE              (A**2) : NULL  ; NULL                
REMARK   3   SIDE-CHAIN BOND               (A**2) : NULL  ; NULL                
REMARK   3   SIDE-CHAIN ANGLE              (A**2) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3C2C COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000178897.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : NULL                               
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
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: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 40.76                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.08                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
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       16.11000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       42.31000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       18.68000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       42.31000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       16.11000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       18.68000            
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 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 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     GLU A   1    CG   CD   OE1  OE2                                  
REMARK 470     LYS A  12    CE   NZ                                             
REMARK 470     LYS A  75    CG   CD   CE   NZ                                   
REMARK 470     GLU A  80    OE1  OE2                                            
REMARK 470     LYS A  86    CD   CE   NZ                                        
REMARK 470     LYS A  88    CG   CD   CE   NZ                                   
REMARK 470     THR A  92    OG1  CG2                                            
REMARK 470     GLU A 102    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 112    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   CB   LYS A    88     O    HOH A   185              1.79            
REMARK 500   O    HOH A   183     O    HOH A   194              1.99            
REMARK 500   O    HOH A   146     O    HOH A   173              2.05            
REMARK 500   CB   THR A    92     O    HOH A   156              2.05            
REMARK 500   O    HOH A   181     O    HOH A   182              2.06            
REMARK 500   ND1  HIS A    42     O2A  HEM A   113              2.16            
REMARK 500   SG   CYS A    14     CAB  HEM A   113              2.17            
REMARK 500   O    HOH A   175     O    HOH A   182              2.18            
REMARK 500   O    LYS A    72     O    HOH A   152              2.19            
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 A    90     O    HOH A   134     4556     1.28            
REMARK 500   CE   LYS A    90     O    HOH A   134     4556     1.31            
REMARK 500   CB   LYS A   112     O    HOH A   181     4456     1.32            
REMARK 500   OE2  GLU A    64     O    HOH A   200     3745     1.41            
REMARK 500   CB   THR A    63     O    HOH A   203     3745     1.47            
REMARK 500   CB   LYS A   112     O    HOH A   182     4456     1.52            
REMARK 500   CB   GLU A    64     O    HOH A   200     3745     1.93            
REMARK 500   CD   GLU A    64     O    HOH A   200     3745     2.16            
REMARK 500   CB   ASP A    21     O    HOH A   183     4456     2.17            
REMARK 500   CB   ASP A    21     O    HOH A   194     4456     2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    GLU A   1   N     GLU A   1   CA      0.123                       
REMARK 500    GLU A   1   CA    GLU A   1   CB      0.179                       
REMARK 500    GLU A   1   C     GLU A   1   O       0.152                       
REMARK 500    GLU A   8   CG    GLU A   8   CD      0.113                       
REMARK 500    LYS A   9   CD    LYS A   9   CE      0.164                       
REMARK 500    HIS A  18   CG    HIS A  18   CD2     0.094                       
REMARK 500    THR A  19   CB    THR A  19   OG1     0.121                       
REMARK 500    PHE A  20   N     PHE A  20   CA     -0.170                       
REMARK 500    ASP A  21   CG    ASP A  21   OD1     0.280                       
REMARK 500    GLY A  34   CA    GLY A  34   C       0.127                       
REMARK 500    GLU A  37   CD    GLU A  37   OE1     0.131                       
REMARK 500    TYR A  46   CE1   TYR A  46   CZ      0.093                       
REMARK 500    GLU A  50   CD    GLU A  50   OE1     0.096                       
REMARK 500    TYR A  52   CB    TYR A  52   CG      0.094                       
REMARK 500    THR A  63   CA    THR A  63   CB      0.222                       
REMARK 500    THR A  63   CB    THR A  63   OG1     0.201                       
REMARK 500    LEU A  67   N     LEU A  67   CA      0.142                       
REMARK 500    LYS A  81   CE    LYS A  81   NZ      0.169                       
REMARK 500    LYS A  90   CE    LYS A  90   NZ      0.155                       
REMARK 500    THR A  92   C     THR A  92   O       0.225                       
REMARK 500    PHE A  93   CZ    PHE A  93   CE2     0.134                       
REMARK 500    LYS A  94   CA    LYS A  94   CB      0.135                       
REMARK 500    LYS A  97   CE    LYS A  97   NZ      0.165                       
REMARK 500    ASP A  98   CB    ASP A  98   CG      0.150                       
REMARK 500    ILE A 105   CA    ILE A 105   CB      0.159                       
REMARK 500    LYS A 112   C     LYS A 112   O       0.227                       
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    GLU A   1   CB  -  CA  -  C   ANGL. DEV. = -14.6 DEGREES          
REMARK 500    GLU A   1   O   -  C   -  N   ANGL. DEV. =  18.4 DEGREES          
REMARK 500    GLY A   2   C   -  N   -  CA  ANGL. DEV. = -22.7 DEGREES          
REMARK 500    ASP A   3   N   -  CA  -  CB  ANGL. DEV. = -11.4 DEGREES          
REMARK 500    ASP A   3   CB  -  CG  -  OD2 ANGL. DEV. = -10.6 DEGREES          
REMARK 500    GLU A   8   CA  -  CB  -  CG  ANGL. DEV. = -15.8 DEGREES          
REMARK 500    LYS A   9   CD  -  CE  -  NZ  ANGL. DEV. = -20.8 DEGREES          
REMARK 500    LYS A  12   CB  -  CG  -  CD  ANGL. DEV. =  28.0 DEGREES          
REMARK 500    LEU A  15   CB  -  CG  -  CD2 ANGL. DEV. =  12.4 DEGREES          
REMARK 500    HIS A  18   CE1 -  NE2 -  CD2 ANGL. DEV. =  10.3 DEGREES          
REMARK 500    HIS A  18   CG  -  CD2 -  NE2 ANGL. DEV. = -13.6 DEGREES          
REMARK 500    THR A  19   CA  -  C   -  N   ANGL. DEV. =  15.1 DEGREES          
REMARK 500    THR A  19   O   -  C   -  N   ANGL. DEV. = -12.9 DEGREES          
REMARK 500    PHE A  20   C   -  N   -  CA  ANGL. DEV. =  21.3 DEGREES          
REMARK 500    PHE A  20   CZ  -  CE2 -  CD2 ANGL. DEV. =   8.2 DEGREES          
REMARK 500    GLN A  22   CA  -  C   -  N   ANGL. DEV. =  12.8 DEGREES          
REMARK 500    GLN A  22   O   -  C   -  N   ANGL. DEV. = -10.7 DEGREES          
REMARK 500    ALA A  25   CB  -  CA  -  C   ANGL. DEV. = -12.8 DEGREES          
REMARK 500    LYS A  27   CB  -  CG  -  CD  ANGL. DEV. = -20.6 DEGREES          
REMARK 500    VAL A  28   CA  -  CB  -  CG1 ANGL. DEV. =  10.0 DEGREES          
REMARK 500    PHE A  36   CB  -  CG  -  CD1 ANGL. DEV. =  -5.5 DEGREES          
REMARK 500    PHE A  36   CZ  -  CE2 -  CD2 ANGL. DEV. =  -7.5 DEGREES          
REMARK 500    GLU A  37   OE1 -  CD  -  OE2 ANGL. DEV. =  18.1 DEGREES          
REMARK 500    ASN A  38   OD1 -  CG  -  ND2 ANGL. DEV. = -14.1 DEGREES          
REMARK 500    ASN A  38   CB  -  CG  -  OD1 ANGL. DEV. =  18.3 DEGREES          
REMARK 500    ASP A  44   CB  -  CG  -  OD1 ANGL. DEV. =  25.2 DEGREES          
REMARK 500    ASP A  44   CB  -  CG  -  OD2 ANGL. DEV. = -15.3 DEGREES          
REMARK 500    TYR A  46   CB  -  CG  -  CD2 ANGL. DEV. =   4.2 DEGREES          
REMARK 500    TYR A  46   CZ  -  CE2 -  CD2 ANGL. DEV. =   7.8 DEGREES          
REMARK 500    TYR A  48   CB  -  CG  -  CD2 ANGL. DEV. =  -6.3 DEGREES          
REMARK 500    TYR A  48   CD1 -  CG  -  CD2 ANGL. DEV. =   6.7 DEGREES          
REMARK 500    TYR A  48   CG  -  CD1 -  CE1 ANGL. DEV. =  -7.6 DEGREES          
REMARK 500    GLU A  50   OE1 -  CD  -  OE2 ANGL. DEV. =  17.4 DEGREES          
REMARK 500    THR A  53   N   -  CA  -  CB  ANGL. DEV. = -12.6 DEGREES          
REMARK 500    GLU A  54   OE1 -  CD  -  OE2 ANGL. DEV. =  -8.9 DEGREES          
REMARK 500    GLU A  54   CA  -  C   -  O   ANGL. DEV. = -17.3 DEGREES          
REMARK 500    GLU A  54   CA  -  C   -  N   ANGL. DEV. =  17.5 DEGREES          
REMARK 500    MET A  55   CA  -  CB  -  CG  ANGL. DEV. = -13.4 DEGREES          
REMARK 500    ALA A  57   O   -  C   -  N   ANGL. DEV. = -11.2 DEGREES          
REMARK 500    GLY A  59   CA  -  C   -  O   ANGL. DEV. = -11.1 DEGREES          
REMARK 500    THR A  61   CA  -  CB  -  CG2 ANGL. DEV. =   9.1 DEGREES          
REMARK 500    TRP A  62   NE1 -  CE2 -  CZ2 ANGL. DEV. =  -6.8 DEGREES          
REMARK 500    TRP A  62   CH2 -  CZ2 -  CE2 ANGL. DEV. =  -6.8 DEGREES          
REMARK 500    THR A  63   OG1 -  CB  -  CG2 ANGL. DEV. = -22.9 DEGREES          
REMARK 500    THR A  63   CA  -  CB  -  OG1 ANGL. DEV. = -14.8 DEGREES          
REMARK 500    THR A  63   CA  -  CB  -  CG2 ANGL. DEV. = -13.8 DEGREES          
REMARK 500    ALA A  65   N   -  CA  -  CB  ANGL. DEV. = -11.9 DEGREES          
REMARK 500    LEU A  67   N   -  CA  -  CB  ANGL. DEV. = -15.6 DEGREES          
REMARK 500    ALA A  68   CB  -  CA  -  C   ANGL. DEV. =  11.1 DEGREES          
REMARK 500    ALA A  69   N   -  CA  -  CB  ANGL. DEV. = -10.0 DEGREES          
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      93 ANGLE DEVIATIONS.                             
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  37       18.67     56.34                                   
REMARK 500    ASN A  73       79.77   -176.12                                   
REMARK 500    PHE A  77      -76.59    -50.74                                   
REMARK 500    MET A  91      -83.32    -63.18                                   
REMARK 500    THR A  92      -74.27     91.03                                   
REMARK 500    PHE A  93      130.50    -30.28                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    HIS A  18         0.07    SIDE CHAIN                              
REMARK 500    ASN A  66         0.11    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    CYS A  14         13.48                                           
REMARK 500    HIS A  18        -14.78                                           
REMARK 500    THR A  19        -10.85                                           
REMARK 500    LYS A  27         10.65                                           
REMARK 500    ASN A  31        -11.15                                           
REMARK 500    PHE A  36        -10.40                                           
REMARK 500    GLU A  54        -14.81                                           
REMARK 500    ALA A  68         16.81                                           
REMARK 500    PHE A  77         22.51                                           
REMARK 500    SER A  82         10.33                                           
REMARK 500    ASP A  84         10.93                                           
REMARK 500    PRO A  85         10.93                                           
REMARK 500    SER A  89        -13.77                                           
REMARK 500    TYR A 107        -15.56                                           
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 113  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  18   NE2                                                    
REMARK 620 2 HEM A 113   NA   94.5                                              
REMARK 620 3 HEM A 113   NB   94.6  89.2                                        
REMARK 620 4 HEM A 113   NC   85.6 178.1  88.9                                  
REMARK 620 5 HEM A 113   ND   88.3  91.5 176.9  90.3                            
REMARK 620 6 MET A  91   SD  176.0  86.9  89.1  93.1  87.9                      
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 113                 
DBREF  3C2C A    1   112  UNP    P00092   CYC2_RHORU      24    135             
SEQADV 3C2C ASN A   45  UNP  P00092    ASP    68 CONFLICT                       
SEQADV 3C2C ASN A   73  UNP  P00092    ASP    96 CONFLICT                       
SEQRES   1 A  112  GLU GLY ASP ALA ALA ALA GLY GLU LYS VAL SER LYS LYS          
SEQRES   2 A  112  CYS LEU ALA CYS HIS THR PHE ASP GLN GLY GLY ALA ASN          
SEQRES   3 A  112  LYS VAL GLY PRO ASN LEU PHE GLY VAL PHE GLU ASN THR          
SEQRES   4 A  112  ALA ALA HIS LYS ASP ASN TYR ALA TYR SER GLU SER TYR          
SEQRES   5 A  112  THR GLU MET LYS ALA LYS GLY LEU THR TRP THR GLU ALA          
SEQRES   6 A  112  ASN LEU ALA ALA TYR VAL LYS ASN PRO LYS ALA PHE VAL          
SEQRES   7 A  112  LEU GLU LYS SER GLY ASP PRO LYS ALA LYS SER LYS MET          
SEQRES   8 A  112  THR PHE LYS LEU THR LYS ASP ASP GLU ILE GLU ASN VAL          
SEQRES   9 A  112  ILE ALA TYR LEU LYS THR LEU LYS                              
HET    HEM  A 113      43                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN     HEM HEME                                                             
FORMUL   2  HEM    C34 H32 FE N4 O4                                             
FORMUL   3  HOH   *87(H2 O)                                                     
HELIX    1   A ASP A    3  SER A   11  1                                   9    
HELIX    2 310 SER A   11  CYS A   14  5                                   4    
HELIX    3  A1 CYS A   14  HIS A   18  1                                   5    
HELIX    4   B GLU A   50  LYS A   58  1                                   9    
HELIX    5   C THR A   63  GLY A   83  1BENT AT PRO 74                    21    
HELIX    6   D LYS A   97  LYS A  109  1                                  13    
LINK         NE2 HIS A  18                FE   HEM A 113     1555   1555  2.19  
LINK         SD  MET A  91                FE   HEM A 113     1555   1555  2.43  
SITE     1 AC1 18 CYS A  14  CYS A  17  HIS A  18  GLY A  29                    
SITE     2 AC1 18 LEU A  32  ALA A  40  ALA A  41  HIS A  42                    
SITE     3 AC1 18 TYR A  46  TYR A  48  SER A  49  TYR A  52                    
SITE     4 AC1 18 TRP A  62  TYR A  70  SER A  89  LYS A  90                    
SITE     5 AC1 18 MET A  91  PHE A  93                                          
CRYST1   32.220   37.360   84.620  90.00  90.00  90.00 P 21 21 21    4          
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      0.031037  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.026767  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011818        0.00000