HEADER    PHOTOSYNTHESIS                          28-SEP-12   4HBH              
TITLE     BACTERIAL PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDES 
TITLE    2 WITH ILE M265 REPLACED WITH ASN                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: REACTION CENTER PROTEIN L CHAIN;                           
COMPND   3 CHAIN: L;                                                            
COMPND   4 SYNONYM: PHOTOSYNTHETIC REACTION CENTER L SUBUNIT;                   
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: REACTION CENTER PROTEIN M CHAIN;                           
COMPND   8 CHAIN: M;                                                            
COMPND   9 SYNONYM: PHOTOSYNTHETIC REACTION CENTER M SUBUNIT;                   
COMPND  10 ENGINEERED: YES;                                                     
COMPND  11 MUTATION: YES;                                                       
COMPND  12 MOL_ID: 3;                                                           
COMPND  13 MOLECULE: REACTION CENTER PROTEIN H CHAIN;                           
COMPND  14 CHAIN: H;                                                            
COMPND  15 SYNONYM: PHOTOSYNTHETIC REACTION CENTER H SUBUNIT                    
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: RHODOBACTER SPHAEROIDES;                        
SOURCE   3 ORGANISM_TAXID: 1063;                                                
SOURCE   4 STRAIN: GA;                                                          
SOURCE   5 GENE: PUFL;                                                          
SOURCE   6 EXPRESSION_SYSTEM: RHODOBACTER SPHAEROIDES;                          
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 1063;                                       
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: GABM;                                      
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PLMX415HIS;                               
SOURCE  11 MOL_ID: 2;                                                           
SOURCE  12 ORGANISM_SCIENTIFIC: RHODOBACTER SPHAEROIDES;                        
SOURCE  13 ORGANISM_TAXID: 1063;                                                
SOURCE  14 STRAIN: GA;                                                          
SOURCE  15 GENE: PUFM;                                                          
SOURCE  16 EXPRESSION_SYSTEM: RHODOBACTER SPHAEROIDES;                          
SOURCE  17 EXPRESSION_SYSTEM_TAXID: 1063;                                       
SOURCE  18 EXPRESSION_SYSTEM_STRAIN: GABM;                                      
SOURCE  19 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  20 EXPRESSION_SYSTEM_PLASMID: PLMX415HIS;                               
SOURCE  21 MOL_ID: 3;                                                           
SOURCE  22 ORGANISM_SCIENTIFIC: RHODOBACTER SPHAEROIDES;                        
SOURCE  23 ORGANISM_TAXID: 1063;                                                
SOURCE  24 STRAIN: GABM                                                         
KEYWDS    COFACTORS, QUINONE-PROTEIN INTERACTIONS, PHOTOSYNTHETIC REACTION      
KEYWDS   2 CENTER, ELECTRON TRANSFER, PRIMARY QUINONE, QA, PHOTOSYNTHESIS       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.J.MATTIS,C.A.WRAIGHT                                                
REVDAT   3   20-SEP-23 4HBH    1       REMARK SEQADV LINK                       
REVDAT   2   17-JUL-19 4HBH    1       REMARK                                   
REVDAT   1   23-JAN-13 4HBH    0                                                
JRNL        AUTH   A.J.MATTIS,C.A.WRAIGHT                                       
JRNL        TITL   BACTERIAL PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER    
JRNL        TITL 2 SPHAEROIDES                                                  
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.93 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0109                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.93                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 121.00                         
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 44997                          
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) : 0.187                           
REMARK   3   R VALUE            (WORKING SET) : 0.185                           
REMARK   3   FREE R VALUE                     : 0.226                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2250                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.93                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 3.01                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3100                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.97                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2650                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 163                          
REMARK   3   BIN FREE R VALUE                    : 0.3230                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6391                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 507                                     
REMARK   3   SOLVENT ATOMS            : 21                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 55.99                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 48.49                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.03000                                             
REMARK   3    B22 (A**2) : -0.03000                                             
REMARK   3    B33 (A**2) : 0.04000                                              
REMARK   3    B12 (A**2) : -0.01000                                             
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): NULL          
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.188         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 9.898         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.940                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.910                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  7162 ; 0.021 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  9846 ; 2.364 ; 2.016       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   817 ; 7.376 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   276 ;35.199 ;22.609       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   924 ;21.080 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    31 ;23.924 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):  1001 ; 0.138 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  5587 ; 0.009 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
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):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
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):  4055 ; 0.806 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  6473 ; 1.558 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  3107 ; 2.306 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  3373 ; 3.655 ; 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 : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : NULL                                          
REMARK   3   ION PROBE RADIUS   : NULL                                          
REMARK   3   SHRINKAGE RADIUS   : NULL                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS                   
REMARK   3  U VALUES      : REFINED INDIVIDUALLY                                
REMARK   4                                                                      
REMARK   4 4HBH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-SEP-12.                  
REMARK 100 THE DEPOSITION ID IS D_1000075258.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 23-MAR-12                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 21-ID-G                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.00000                            
REMARK 200  MONOCHROMATOR                  : DIAMOND(111)                       
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 300 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 45001                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.930                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 121.001                            
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.6                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.12500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.3700                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.93                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.01                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.79300                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.890                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: REFMAC                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1PCR                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 78.35                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 5.68                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: DROP: 13 MG/ML PROTEIN, 0.8 M            
REMARK 280  POTASSIUM PHOSPHATE, 5 MM TRIS, 5 UM EDTA, 4.0% 1,2,3-              
REMARK 280  HEPTANETRIOL, 2.0% DIOXANE, 140 MM SODIUM CHLORIDE, 0.045% LDAO,    
REMARK 280  RESERVOIR: 1.6 M POTASSIUM PHOSPHATE, PH 7.5, VAPOR DIFFUSION,      
REMARK 280  SITTING DROP, TEMPERATURE 298K                                      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
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       61.32667            
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      122.65333            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000      122.65333            
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       61.32667            
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: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 32150 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 28830 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -226.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: L, M, H                               
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     ALA M     1                                                      
REMARK 465     MET M   303                                                      
REMARK 465     ALA M   304                                                      
REMARK 465     PRO M   305                                                      
REMARK 465     LEU M   306                                                      
REMARK 465     ASN M   307                                                      
REMARK 465     HIS M   308                                                      
REMARK 465     HIS M   309                                                      
REMARK 465     HIS M   310                                                      
REMARK 465     HIS M   311                                                      
REMARK 465     HIS M   312                                                      
REMARK 465     HIS M   313                                                      
REMARK 465     MET H     1                                                      
REMARK 465     VAL H     2                                                      
REMARK 465     GLY H     3                                                      
REMARK 465     VAL H     4                                                      
REMARK 465     THR H     5                                                      
REMARK 465     ALA H     6                                                      
REMARK 465     PHE H     7                                                      
REMARK 465     GLY H     8                                                      
REMARK 465     ASN H     9                                                      
REMARK 465     PHE H    10                                                      
REMARK 465     LYS H   249                                                      
REMARK 465     SER H   250                                                      
REMARK 465     VAL H   251                                                      
REMARK 465     VAL H   252                                                      
REMARK 465     ALA H   253                                                      
REMARK 465     ALA H   254                                                      
REMARK 465     MET H   255                                                      
REMARK 465     LEU H   256                                                      
REMARK 465     ALA H   257                                                      
REMARK 465     GLU H   258                                                      
REMARK 465     TYR H   259                                                      
REMARK 465     ALA H   260                                                      
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     TRP L  59    CG   CD1  CD2  NE1  CE2  CE3  CZ2                   
REMARK 470     TRP L  59    CZ3  CH2                                            
REMARK 470     LYS L  82    CG   CD   CE   NZ                                   
REMARK 470     LYS L 202    CD   CE   NZ                                        
REMARK 470     GLN L 264    CD   OE1  NE2                                       
REMARK 470     LYS L 268    CG   CD   CE   NZ                                   
REMARK 470     GLU M   2    CG   CD   OE1  OE2                                  
REMARK 470     LEU M  52    CG   CD2                                            
REMARK 470     LEU M  64    CD1                                                 
REMARK 470     LYS M 110    NZ                                                  
REMARK 470     HIS M 301    CG   ND1  CD2  CE1  NE2                             
REMARK 470     LYS H  60    CG   CD   CE   NZ                                   
REMARK 470     GLU H  94    CG   CD   OE1  OE2                                  
REMARK 470     LYS H 106    CE   NZ                                             
REMARK 470     LYS H 163    CD   CE   NZ                                        
REMARK 470     LYS H 184    CD   CE   NZ                                        
REMARK 470     LYS H 197    CE   NZ                                             
REMARK 470     LYS H 247    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   O    ASP M   240     NH1  ARG H   117              2.19            
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    LEU L 126   CB  -  CG  -  CD2 ANGL. DEV. = -10.4 DEGREES          
REMARK 500    ARG L 231   NE  -  CZ  -  NH1 ANGL. DEV. =   3.6 DEGREES          
REMARK 500    GLU M  22   C   -  N   -  CA  ANGL. DEV. = -16.1 DEGREES          
REMARK 500    ARG M 132   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.1 DEGREES          
REMARK 500    ARG M 247   NE  -  CZ  -  NH1 ANGL. DEV. =   4.7 DEGREES          
REMARK 500    LEU H 120   CA  -  CB  -  CG  ANGL. DEV. =  15.7 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    ARG L  10       57.27    -66.84                                   
REMARK 500    LEU L  55       -9.98    -58.69                                   
REMARK 500    LEU L 133      -59.70   -128.82                                   
REMARK 500    ALA L 145      176.57    -58.50                                   
REMARK 500    THR L 163       -7.05    -56.15                                   
REMARK 500    PRO L 200     -169.16    -75.23                                   
REMARK 500    LYS L 202      113.35    144.82                                   
REMARK 500    SER L 237      -72.02    -26.14                                   
REMARK 500    THR L 253      -69.17   -128.05                                   
REMARK 500    ASP L 257     -155.11    -91.89                                   
REMARK 500    GLU M  22      -85.53   -119.01                                   
REMARK 500    SER M  30     -165.60    -70.72                                   
REMARK 500    SER M  54      -85.58     88.82                                   
REMARK 500    ALA M  98      157.36    -49.66                                   
REMARK 500    PHE M 162      -64.81   -135.29                                   
REMARK 500    ASN M 195      106.45     88.81                                   
REMARK 500    ASP M 240       90.73   -170.98                                   
REMARK 500    LEU M 278      -78.59    -72.50                                   
REMARK 500    THR M 279      -76.58     -3.31                                   
REMARK 500    VAL M 290      -40.97   -142.31                                   
REMARK 500    HIS M 301      -14.46     39.04                                   
REMARK 500    GLU H  38      139.70   -172.02                                   
REMARK 500    HIS H  68       59.74   -117.95                                   
REMARK 500    SER H  80      147.86   -170.53                                   
REMARK 500    ASP H  82       64.55   -107.49                                   
REMARK 500    ARG H  83      147.77   -177.37                                   
REMARK 500    ALA H  86       56.61    -57.20                                   
REMARK 500    ALA H 116       52.78    -66.68                                   
REMARK 500    ASP H 119       42.00    -77.36                                   
REMARK 500    ASP H 124     -172.17    -67.09                                   
REMARK 500    ASP H 185      -40.60    -14.98                                   
REMARK 500    ASP H 211       -8.17    -57.19                                   
REMARK 500    ALA H 245      -35.01    -39.01                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 GLY L   32     PHE L   33                  136.22                    
REMARK 500 LEU M  278     THR M  279                  139.36                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     U10 L  304                                                       
REMARK 610     U10 L  305                                                       
REMARK 610     BCL M  401                                                       
REMARK 610     BPH M  404                                                       
REMARK 610     U10 M  405                                                       
REMARK 610     SPO M  406                                                       
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                              FE M 402  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS L 190   NE2                                                    
REMARK 620 2 HIS L 230   NE2  93.6                                              
REMARK 620 3 HIS M 219   NE2 111.9  83.2                                        
REMARK 620 4 GLU M 234   OE2 153.3  89.8  94.8                                  
REMARK 620 5 GLU M 234   OE1  92.3  96.5 155.8  61.0                            
REMARK 620 6 HIS M 266   NE2  87.3 179.0  96.7  89.2  83.2                      
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 BCL L 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BCL L 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BPH L 303                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE U10 L 304                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE U10 L 305                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BCL M 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE M 402                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BCL M 403                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BPH M 404                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE U10 M 405                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SPO M 406                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4H99   RELATED DB: PDB                                   
REMARK 900 BACTERIAL PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER            
REMARK 900 SPHAEROIDES WITH ILE M265 REPLACED WITH THR                          
REMARK 900 RELATED ID: 4H9L   RELATED DB: PDB                                   
REMARK 900 BACTERIAL PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER            
REMARK 900 SPHAEROIDES WITH ILE M265 REPLACED WITH SER                          
REMARK 900 RELATED ID: 4HBJ   RELATED DB: PDB                                   
REMARK 900 BACTERIAL PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER            
REMARK 900 SPHAEROIDES WITH ILE M265 REPLACED WITH GLN                          
DBREF  4HBH L    1   281  UNP    P0C0Y8   RCEL_RHOSH       2    282             
DBREF  4HBH M    1   302  UNP    P0C0Y9   RCEM_RHOSH       2    303             
DBREF  4HBH H   11   250  UNP    P0C0Y7   RCEH_RHOSH      11    250             
SEQADV 4HBH ASN M  265  UNP  P0C0Y9    ILE   266 ENGINEERED MUTATION            
SEQADV 4HBH MET M  303  UNP  P0C0Y9              EXPRESSION TAG                 
SEQADV 4HBH ALA M  304  UNP  P0C0Y9              EXPRESSION TAG                 
SEQADV 4HBH PRO M  305  UNP  P0C0Y9              EXPRESSION TAG                 
SEQADV 4HBH LEU M  306  UNP  P0C0Y9              EXPRESSION TAG                 
SEQADV 4HBH ASN M  307  UNP  P0C0Y9              EXPRESSION TAG                 
SEQADV 4HBH HIS M  308  UNP  P0C0Y9              EXPRESSION TAG                 
SEQADV 4HBH HIS M  309  UNP  P0C0Y9              EXPRESSION TAG                 
SEQADV 4HBH HIS M  310  UNP  P0C0Y9              EXPRESSION TAG                 
SEQADV 4HBH HIS M  311  UNP  P0C0Y9              EXPRESSION TAG                 
SEQADV 4HBH HIS M  312  UNP  P0C0Y9              EXPRESSION TAG                 
SEQADV 4HBH HIS M  313  UNP  P0C0Y9              EXPRESSION TAG                 
SEQADV 4HBH MET H    1  UNP  P0C0Y7              EXPRESSION TAG                 
SEQADV 4HBH VAL H    2  UNP  P0C0Y7              EXPRESSION TAG                 
SEQADV 4HBH GLY H    3  UNP  P0C0Y7              EXPRESSION TAG                 
SEQADV 4HBH VAL H    4  UNP  P0C0Y7              EXPRESSION TAG                 
SEQADV 4HBH THR H    5  UNP  P0C0Y7              EXPRESSION TAG                 
SEQADV 4HBH ALA H    6  UNP  P0C0Y7              EXPRESSION TAG                 
SEQADV 4HBH PHE H    7  UNP  P0C0Y7              EXPRESSION TAG                 
SEQADV 4HBH GLY H    8  UNP  P0C0Y7              EXPRESSION TAG                 
SEQADV 4HBH ASN H    9  UNP  P0C0Y7              EXPRESSION TAG                 
SEQADV 4HBH PHE H   10  UNP  P0C0Y7              EXPRESSION TAG                 
SEQADV 4HBH VAL H  251  UNP  P0C0Y7              EXPRESSION TAG                 
SEQADV 4HBH VAL H  252  UNP  P0C0Y7              EXPRESSION TAG                 
SEQADV 4HBH ALA H  253  UNP  P0C0Y7              EXPRESSION TAG                 
SEQADV 4HBH ALA H  254  UNP  P0C0Y7              EXPRESSION TAG                 
SEQADV 4HBH MET H  255  UNP  P0C0Y7              EXPRESSION TAG                 
SEQADV 4HBH LEU H  256  UNP  P0C0Y7              EXPRESSION TAG                 
SEQADV 4HBH ALA H  257  UNP  P0C0Y7              EXPRESSION TAG                 
SEQADV 4HBH GLU H  258  UNP  P0C0Y7              EXPRESSION TAG                 
SEQADV 4HBH TYR H  259  UNP  P0C0Y7              EXPRESSION TAG                 
SEQADV 4HBH ALA H  260  UNP  P0C0Y7              EXPRESSION TAG                 
SEQRES   1 L  281  ALA LEU LEU SER PHE GLU ARG LYS TYR ARG VAL PRO GLY          
SEQRES   2 L  281  GLY THR LEU VAL GLY GLY ASN LEU PHE ASP PHE TRP VAL          
SEQRES   3 L  281  GLY PRO PHE TYR VAL GLY PHE PHE GLY VAL ALA THR PHE          
SEQRES   4 L  281  PHE PHE ALA ALA LEU GLY ILE ILE LEU ILE ALA TRP SER          
SEQRES   5 L  281  ALA VAL LEU GLN GLY THR TRP ASN PRO GLN LEU ILE SER          
SEQRES   6 L  281  VAL TYR PRO PRO ALA LEU GLU TYR GLY LEU GLY GLY ALA          
SEQRES   7 L  281  PRO LEU ALA LYS GLY GLY LEU TRP GLN ILE ILE THR ILE          
SEQRES   8 L  281  CYS ALA THR GLY ALA PHE VAL SER TRP ALA LEU ARG GLU          
SEQRES   9 L  281  VAL GLU ILE CYS ARG LYS LEU GLY ILE GLY TYR HIS ILE          
SEQRES  10 L  281  PRO PHE ALA PHE ALA PHE ALA ILE LEU ALA TYR LEU THR          
SEQRES  11 L  281  LEU VAL LEU PHE ARG PRO VAL MET MET GLY ALA TRP GLY          
SEQRES  12 L  281  TYR ALA PHE PRO TYR GLY ILE TRP THR HIS LEU ASP TRP          
SEQRES  13 L  281  VAL SER ASN THR GLY TYR THR TYR GLY ASN PHE HIS TYR          
SEQRES  14 L  281  ASN PRO ALA HIS MET ILE ALA ILE SER PHE PHE PHE THR          
SEQRES  15 L  281  ASN ALA LEU ALA LEU ALA LEU HIS GLY ALA LEU VAL LEU          
SEQRES  16 L  281  SER ALA ALA ASN PRO GLU LYS GLY LYS GLU MET ARG THR          
SEQRES  17 L  281  PRO ASP HIS GLU ASP THR PHE PHE ARG ASP LEU VAL GLY          
SEQRES  18 L  281  TYR SER ILE GLY THR LEU GLY ILE HIS ARG LEU GLY LEU          
SEQRES  19 L  281  LEU LEU SER LEU SER ALA VAL PHE PHE SER ALA LEU CYS          
SEQRES  20 L  281  MET ILE ILE THR GLY THR ILE TRP PHE ASP GLN TRP VAL          
SEQRES  21 L  281  ASP TRP TRP GLN TRP TRP VAL LYS LEU PRO TRP TRP ALA          
SEQRES  22 L  281  ASN ILE PRO GLY GLY ILE ASN GLY                              
SEQRES   1 M  313  ALA GLU TYR GLN ASN ILE PHE SER GLN VAL GLN VAL ARG          
SEQRES   2 M  313  GLY PRO ALA ASP LEU GLY MET THR GLU ASP VAL ASN LEU          
SEQRES   3 M  313  ALA ASN ARG SER GLY VAL GLY PRO PHE SER THR LEU LEU          
SEQRES   4 M  313  GLY TRP PHE GLY ASN ALA GLN LEU GLY PRO ILE TYR LEU          
SEQRES   5 M  313  GLY SER LEU GLY VAL LEU SER LEU PHE SER GLY LEU MET          
SEQRES   6 M  313  TRP PHE PHE THR ILE GLY ILE TRP PHE TRP TYR GLN ALA          
SEQRES   7 M  313  GLY TRP ASN PRO ALA VAL PHE LEU ARG ASP LEU PHE PHE          
SEQRES   8 M  313  PHE SER LEU GLU PRO PRO ALA PRO GLU TYR GLY LEU SER          
SEQRES   9 M  313  PHE ALA ALA PRO LEU LYS GLU GLY GLY LEU TRP LEU ILE          
SEQRES  10 M  313  ALA SER PHE PHE MET PHE VAL ALA VAL TRP SER TRP TRP          
SEQRES  11 M  313  GLY ARG THR TYR LEU ARG ALA GLN ALA LEU GLY MET GLY          
SEQRES  12 M  313  LYS HIS THR ALA TRP ALA PHE LEU SER ALA ILE TRP LEU          
SEQRES  13 M  313  TRP MET VAL LEU GLY PHE ILE ARG PRO ILE LEU MET GLY          
SEQRES  14 M  313  SER TRP SER GLU ALA VAL PRO TYR GLY ILE PHE SER HIS          
SEQRES  15 M  313  LEU ASP TRP THR ASN ASN PHE SER LEU VAL HIS GLY ASN          
SEQRES  16 M  313  LEU PHE TYR ASN PRO PHE HIS GLY LEU SER ILE ALA PHE          
SEQRES  17 M  313  LEU TYR GLY SER ALA LEU LEU PHE ALA MET HIS GLY ALA          
SEQRES  18 M  313  THR ILE LEU ALA VAL SER ARG PHE GLY GLY GLU ARG GLU          
SEQRES  19 M  313  LEU GLU GLN ILE ALA ASP ARG GLY THR ALA ALA GLU ARG          
SEQRES  20 M  313  ALA ALA LEU PHE TRP ARG TRP THR MET GLY PHE ASN ALA          
SEQRES  21 M  313  THR MET GLU GLY ASN HIS ARG TRP ALA ILE TRP MET ALA          
SEQRES  22 M  313  VAL LEU VAL THR LEU THR GLY GLY ILE GLY ILE LEU LEU          
SEQRES  23 M  313  SER GLY THR VAL VAL ASP ASN TRP TYR VAL TRP GLY GLN          
SEQRES  24 M  313  ASN HIS GLY MET ALA PRO LEU ASN HIS HIS HIS HIS HIS          
SEQRES  25 M  313  HIS                                                          
SEQRES   1 H  260  MET VAL GLY VAL THR ALA PHE GLY ASN PHE ASP LEU ALA          
SEQRES   2 H  260  SER LEU ALA ILE TYR SER PHE TRP ILE PHE LEU ALA GLY          
SEQRES   3 H  260  LEU ILE TYR TYR LEU GLN THR GLU ASN MET ARG GLU GLY          
SEQRES   4 H  260  TYR PRO LEU GLU ASN GLU ASP GLY THR PRO ALA ALA ASN          
SEQRES   5 H  260  GLN GLY PRO PHE PRO LEU PRO LYS PRO LYS THR PHE ILE          
SEQRES   6 H  260  LEU PRO HIS GLY ARG GLY THR LEU THR VAL PRO GLY PRO          
SEQRES   7 H  260  GLU SER GLU ASP ARG PRO ILE ALA LEU ALA ARG THR ALA          
SEQRES   8 H  260  VAL SER GLU GLY PHE PRO HIS ALA PRO THR GLY ASP PRO          
SEQRES   9 H  260  MET LYS ASP GLY VAL GLY PRO ALA SER TRP VAL ALA ARG          
SEQRES  10 H  260  ARG ASP LEU PRO GLU LEU ASP GLY HIS GLY HIS ASN LYS          
SEQRES  11 H  260  ILE LYS PRO MET LYS ALA ALA ALA GLY PHE HIS VAL SER          
SEQRES  12 H  260  ALA GLY LYS ASN PRO ILE GLY LEU PRO VAL ARG GLY CYS          
SEQRES  13 H  260  ASP LEU GLU ILE ALA GLY LYS VAL VAL ASP ILE TRP VAL          
SEQRES  14 H  260  ASP ILE PRO GLU GLN MET ALA ARG PHE LEU GLU VAL GLU          
SEQRES  15 H  260  LEU LYS ASP GLY SER THR ARG LEU LEU PRO MET GLN MET          
SEQRES  16 H  260  VAL LYS VAL GLN SER ASN ARG VAL HIS VAL ASN ALA LEU          
SEQRES  17 H  260  SER SER ASP LEU PHE ALA GLY ILE PRO THR ILE LYS SER          
SEQRES  18 H  260  PRO THR GLU VAL THR LEU LEU GLU GLU ASP LYS ILE CYS          
SEQRES  19 H  260  GLY TYR VAL ALA GLY GLY LEU MET TYR ALA ALA PRO LYS          
SEQRES  20 H  260  ARG LYS SER VAL VAL ALA ALA MET LEU ALA GLU TYR ALA          
HET    BCL  L 301      66                                                       
HET    BCL  L 302      66                                                       
HET    BPH  L 303      65                                                       
HET    U10  L 304      26                                                       
HET    U10  L 305      26                                                       
HET    BCL  M 401      55                                                       
HET     FE  M 402       1                                                       
HET    BCL  M 403      66                                                       
HET    BPH  M 404      53                                                       
HET    U10  M 405      48                                                       
HET    SPO  M 406      35                                                       
HETNAM     BCL BACTERIOCHLOROPHYLL A                                            
HETNAM     BPH BACTERIOPHEOPHYTIN A                                             
HETNAM     U10 UBIQUINONE-10                                                    
HETNAM      FE FE (III) ION                                                     
HETNAM     SPO SPHEROIDENE                                                      
HETSYN     U10 COENZYME Q10                                                     
FORMUL   4  BCL    4(C55 H74 MG N4 O6)                                          
FORMUL   6  BPH    2(C55 H76 N4 O6)                                             
FORMUL   7  U10    3(C59 H90 O4)                                                
FORMUL  10   FE    FE 3+                                                        
FORMUL  14  SPO    C41 H60 O                                                    
FORMUL  15  HOH   *21(H2 O)                                                     
HELIX    1   1 GLU L    6  ARG L   10  5                                   5    
HELIX    2   2 GLY L   32  LEU L   55  1                                  24    
HELIX    3   3 ALA L   70  GLY L   74  5                                   5    
HELIX    4   4 PRO L   79  LYS L   82  5                                   4    
HELIX    5   5 GLY L   83  GLY L  112  1                                  30    
HELIX    6   6 TYR L  115  LEU L  133  1                                  19    
HELIX    7   7 LEU L  133  GLY L  140  1                                   8    
HELIX    8   8 ALA L  141  ALA L  145  5                                   5    
HELIX    9   9 GLY L  149  THR L  163  1                                  15    
HELIX   10  10 TYR L  164  GLY L  165  5                                   2    
HELIX   11  11 ASN L  166  TYR L  169  5                                   4    
HELIX   12  12 ASN L  170  ASN L  199  1                                  30    
HELIX   13  13 THR L  208  GLY L  221  1                                  14    
HELIX   14  14 GLY L  225  ILE L  250  1                                  26    
HELIX   15  15 GLN L  258  TRP L  263  1                                   6    
HELIX   16  16 TRP L  263  LYS L  268  1                                   6    
HELIX   17  17 ASN M   25  ARG M   29  5                                   5    
HELIX   18  18 LEU M   38  PHE M   42  5                                   5    
HELIX   19  19 SER M   54  ALA M   78  1                                  25    
HELIX   20  20 ASN M   81  ASP M   88  1                                   8    
HELIX   21  21 ALA M   98  GLY M  102  5                                   5    
HELIX   22  22 PRO M  108  GLU M  111  5                                   4    
HELIX   23  23 GLY M  112  GLY M  141  1                                  30    
HELIX   24  24 LYS M  144  PHE M  162  1                                  19    
HELIX   25  25 PHE M  162  MET M  168  1                                   7    
HELIX   26  26 SER M  170  ALA M  174  5                                   5    
HELIX   27  27 GLY M  178  HIS M  193  1                                  16    
HELIX   28  28 GLY M  194  TYR M  198  5                                   5    
HELIX   29  29 ASN M  199  VAL M  226  1                                  28    
HELIX   30  30 SER M  227  GLY M  230  5                                   4    
HELIX   31  31 ARG M  233  ASP M  240  1                                   8    
HELIX   32  32 GLY M  242  GLY M  257  1                                  16    
HELIX   33  33 THR M  261  SER M  287  1                                  27    
HELIX   34  34 ASN M  293  GLY M  298  1                                   6    
HELIX   35  35 LEU H   12  ASN H   35  1                                  24    
HELIX   36  36 ASP H  103  GLY H  108  1                                   6    
HELIX   37  37 VAL H  109  SER H  113  5                                   5    
HELIX   38  38 LYS H  135  ALA H  137  5                                   3    
HELIX   39  39 GLN H  194  VAL H  196  5                                   3    
HELIX   40  40 SER H  209  PHE H  213  5                                   5    
HELIX   41  41 THR H  226  ALA H  244  1                                  19    
SHEET    1   A 2 PHE L  24  VAL L  26  0                                        
SHEET    2   A 2 PHE L  29  VAL L  31 -1  O  PHE L  29   N  VAL L  26           
SHEET    1   B 2 GLN M  11  ARG M  13  0                                        
SHEET    2   B 2 HIS H 141  ALA H 144 -1  O  HIS H 141   N  ARG M  13           
SHEET    1   C 2 LYS H  62  LEU H  66  0                                        
SHEET    2   C 2 GLY H  71  VAL H  75 -1  O  GLY H  71   N  LEU H  66           
SHEET    1   D 2 LEU H  87  ARG H  89  0                                        
SHEET    2   D 2 HIS H  98  PRO H 100 -1  O  ALA H  99   N  ALA H  88           
SHEET    1   E 4 ILE H 131  PRO H 133  0                                        
SHEET    2   E 4 ILE H 160  ASP H 170 -1  O  VAL H 169   N  LYS H 132           
SHEET    3   E 4 MET H 175  GLU H 182 -1  O  GLU H 180   N  VAL H 165           
SHEET    4   E 4 THR H 188  PRO H 192 -1  O  ARG H 189   N  VAL H 181           
SHEET    1   F 5 ILE H 131  PRO H 133  0                                        
SHEET    2   F 5 ILE H 160  ASP H 170 -1  O  VAL H 169   N  LYS H 132           
SHEET    3   F 5 PRO H 152  GLY H 155 -1  N  VAL H 153   O  ALA H 161           
SHEET    4   F 5 VAL H 203  VAL H 205  1  O  VAL H 203   N  PRO H 152           
SHEET    5   F 5 LYS H 197  VAL H 198 -1  N  LYS H 197   O  HIS H 204           
LINK         NE2 HIS L 190                FE    FE M 402     1555   1555  2.02  
LINK         NE2 HIS L 230                FE    FE M 402     1555   1555  2.18  
LINK         NE2 HIS M 219                FE    FE M 402     1555   1555  2.18  
LINK         OE2 GLU M 234                FE    FE M 402     1555   1555  1.97  
LINK         OE1 GLU M 234                FE    FE M 402     1555   1555  2.39  
LINK         NE2 HIS M 266                FE    FE M 402     1555   1555  2.24  
CISPEP   1 GLY M   48    PRO M   49          0        -1.09                     
CISPEP   2 TYR H   40    PRO H   41          0        -5.21                     
CISPEP   3 VAL H   75    PRO H   76          0        -0.86                     
SITE     1 AC1 21 PHE L  97  ALA L 124  ILE L 125  ALA L 127                    
SITE     2 AC1 21 TYR L 128  LEU L 131  VAL L 157  PHE L 167                    
SITE     3 AC1 21 HIS L 168  HIS L 173  ALA L 176  ILE L 177                    
SITE     4 AC1 21 SER L 244  ALA L 245  CYS L 247  MET L 248                    
SITE     5 AC1 21 BCL L 302  BPH L 303  TYR M 210  BCL M 403                    
SITE     6 AC1 21 U10 M 405                                                     
SITE     1 AC2 11 TYR L 128  PHE L 146  HIS L 153  LEU L 154                    
SITE     2 AC2 11 BCL L 301  BPH L 303  GLY M 203  ILE M 206                    
SITE     3 AC2 11 ALA M 207  TYR M 210  GLY M 211                               
SITE     1 AC3 18 ALA L  93  PHE L  97  TRP L 100  GLU L 104                    
SITE     2 AC3 18 ILE L 117  ALA L 120  PHE L 121  GLY L 149                    
SITE     3 AC3 18 ILE L 150  SER L 237  VAL L 241  BCL L 301                    
SITE     4 AC3 18 BCL L 302  TYR M 210  ALA M 213  LEU M 214                    
SITE     5 AC3 18 TRP M 252  MET M 256                                          
SITE     1 AC4  7 SER L 178  ALA L 186  LEU L 189  PHE L 216                    
SITE     2 AC4  7 ILE L 224  ILE L 229  U10 L 305                               
SITE     1 AC5 13 HIS L 190  LEU L 193  GLU L 212  ASP L 213                    
SITE     2 AC5 13 PHE L 216  VAL L 220  TYR L 222  SER L 223                    
SITE     3 AC5 13 ILE L 224  GLY L 225  THR L 226  ILE L 229                    
SITE     4 AC5 13 U10 L 304                                                     
SITE     1 AC6 13 HIS L 168  MET L 174  ILE L 177  SER L 178                    
SITE     2 AC6 13 THR L 182  LEU M 160  ILE M 179  HIS M 182                    
SITE     3 AC6 13 LEU M 183  THR M 186  BCL M 403  BPH M 404                    
SITE     4 AC6 13 SPO M 406                                                     
SITE     1 AC7  5 HIS L 190  HIS L 230  HIS M 219  GLU M 234                    
SITE     2 AC7  5 HIS M 266                                                     
SITE     1 AC8 20 TYR L 162  BCL L 301  ALA M 153  LEU M 156                    
SITE     2 AC8 20 TRP M 157  LEU M 160  THR M 186  ASN M 187                    
SITE     3 AC8 20 SER M 190  LEU M 196  PHE M 197  HIS M 202                    
SITE     4 AC8 20 SER M 205  ILE M 206  TYR M 210  VAL M 276                    
SITE     5 AC8 20 GLY M 280  ILE M 284  BCL M 401  BPH M 404                    
SITE     1 AC9 15 PHE L 181  ALA L 184  LEU L 185  LEU L 189                    
SITE     2 AC9 15 GLY M  63  VAL M 126  TRP M 129  THR M 146                    
SITE     3 AC9 15 ALA M 149  PHE M 150  ALA M 153  ALA M 273                    
SITE     4 AC9 15 THR M 277  BCL M 401  BCL M 403                               
SITE     1 BC1 13 GLY L  35  TRP L 100  BCL L 301  HIS M 219                    
SITE     2 BC1 13 THR M 222  ALA M 248  ALA M 249  TRP M 252                    
SITE     3 BC1 13 MET M 256  ASN M 259  ALA M 260  ASN M 265                    
SITE     4 BC1 13 TRP M 268                                                     
SITE     1 BC2 12 PHE M  67  PHE M  68  ILE M  70  GLY M  71                    
SITE     2 BC2 12 TRP M  75  SER M 119  TRP M 157  PHE M 162                    
SITE     3 BC2 12 GLY M 178  ILE M 179  HIS M 182  BCL M 401                    
CRYST1  139.720  139.720  183.980  90.00  90.00 120.00 P 31 2 1      6          
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      0.007157  0.004132  0.000000        0.00000                         
SCALE2      0.000000  0.008264  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005435        0.00000