HEADER    ELECTRON TRANSPORT                      18-SEP-96   1HCZ              
TITLE     LUMEN-SIDE DOMAIN OF REDUCED CYTOCHROME F AT-35 DEGREES CELSIUS       
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYTOCHROME F;                                              
COMPND   3 CHAIN: A                                                             
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BRASSICA RAPA;                                  
SOURCE   3 ORGANISM_TAXID: 3711;                                                
SOURCE   4 ORGAN: LEAF;                                                         
SOURCE   5 ORGANELLE: CHLOROPLAST                                               
KEYWDS    ELECTRON TRANSPORT, PHOTOSYNTHESIS, CYTOCHROME B6F COMPLEX,           
KEYWDS   2 CHLOROPLAST TRANSMEMBRANE                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.E.MARTINEZ,D.HUANG,A.SZCZEPANIAK,W.A.CRAMER,J.L.SMITH               
REVDAT   4   30-OCT-24 1HCZ    1       REMARK                                   
REVDAT   3   05-JUN-24 1HCZ    1       REMARK LINK                              
REVDAT   2   24-FEB-09 1HCZ    1       VERSN                                    
REVDAT   1   12-MAR-97 1HCZ    0                                                
JRNL        AUTH   S.E.MARTINEZ,D.HUANG,M.PONOMAREV,W.A.CRAMER,J.L.SMITH        
JRNL        TITL   THE HEME REDOX CENTER OF CHLOROPLAST CYTOCHROME F IS LINKED  
JRNL        TITL 2 TO A BURIED FIVE-WATER CHAIN.                                
JRNL        REF    PROTEIN SCI.                  V.   5  1081 1996              
JRNL        REFN                   ISSN 0961-8368                               
JRNL        PMID   8762139                                                      
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.E.MARTINEZ,D.HUANG,A.SZCZEPANIAK,W.A.CRAMER,J.L.SMITH      
REMARK   1  TITL   CRYSTAL STRUCTURE OF CHLOROPLAST CYTOCHROME F REVEALS A      
REMARK   1  TITL 2 NOVEL CYTOCHROME FOLD AND UNEXPECTED HEME LIGATION           
REMARK   1  REF    STRUCTURE                     V.   2    95 1994              
REMARK   1  REFN                   ISSN 0969-2126                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.96 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : TNT 5A                                               
REMARK   3   AUTHORS     : TRONRUD,TEN EYCK,MATTHEWS                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.96                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : NULL                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 90.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 19639                          
REMARK   3                                                                      
REMARK   3  USING DATA ABOVE SIGMA CUTOFF.                                      
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.158                           
REMARK   3   FREE R VALUE                     : 0.250                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 986                             
REMARK   3                                                                      
REMARK   3  USING ALL DATA, NO SIGMA CUTOFF.                                    
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            : 1924                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 43                                      
REMARK   3   SOLVENT ATOMS            : 408                                     
REMARK   3                                                                      
REMARK   3  WILSON B VALUE (FROM FCALC, A**2) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.    RMS    WEIGHT  COUNT           
REMARK   3   BOND LENGTHS                 (A) : 0.013 ; 8.000 ; 2018            
REMARK   3   BOND ANGLES            (DEGREES) : 1.500 ; 10.000; 2754            
REMARK   3   TORSION ANGLES         (DEGREES) : 20.600; 20.000; 1319            
REMARK   3   PSEUDOROTATION ANGLES  (DEGREES) : 19.900; 20.000; 22              
REMARK   3   TRIGONAL CARBON PLANES       (A) : 0.017 ; 9.000 ; 59              
REMARK   3   GENERAL PLANES               (A) : 0.017 ; 30.000; 282             
REMARK   3   ISOTROPIC THERMAL FACTORS (A**2) : 4.600 ; 0.400 ; 1826            
REMARK   3   NON-BONDED CONTACTS          (A) : 0.048 ; 20.000; 64              
REMARK   3                                                                      
REMARK   3  INCORRECT CHIRAL-CENTERS (COUNT) : NULL                             
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : TNT BULK SOLVENT CORRECTION                          
REMARK   3   KSOL        : 0.73                                                 
REMARK   3   BSOL        : 251.3                                                
REMARK   3                                                                      
REMARK   3  RESTRAINT LIBRARIES.                                                
REMARK   3   STEREOCHEMISTRY : NULL                                             
REMARK   3   ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL                         
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1HCZ 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_1000173789.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 1992                               
REMARK 200  TEMPERATURE           (KELVIN) : 238                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : AREA DETECTOR                      
REMARK 200  DETECTOR MANUFACTURER          : XENTRONICS                         
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 21059                              
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     (%) : 97.2                               
REMARK 200  DATA REDUNDANCY                : 4.100                              
REMARK 200  R MERGE                    (I) : 0.06800                            
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: MIRAS                        
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   (%): 53.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.65                     
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       39.30000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       22.60000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       41.10000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       22.60000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       39.30000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       41.10000            
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 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     VAL A   251                                                      
REMARK 465     GLN A   252                                                      
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    ASN A  99       22.36    -69.40                                   
REMARK 500    ASN A 168       47.72    -96.72                                   
REMARK 500    ASP A 224       -7.36     76.33                                   
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 253  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 TYR A   1   N                                                      
REMARK 620 2 HEM A 253   NA   87.0                                              
REMARK 620 3 HEM A 253   NB   91.8  91.6                                        
REMARK 620 4 HEM A 253   NC   91.4 178.4  88.2                                  
REMARK 620 5 HEM A 253   ND   86.2  89.5 177.7  90.6                            
REMARK 620 6 HIS A  25   NE2 176.4  91.1  91.3  90.5  90.7                      
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 253                 
DBREF  1HCZ A    1   252  UNP    P36438   CYF_BRARA       36    287             
SEQRES   1 A  252  TYR PRO ILE PHE ALA GLN GLN ASN TYR GLU ASN PRO ARG          
SEQRES   2 A  252  GLU ALA THR GLY ARG ILE VAL CYS ALA ASN CYS HIS LEU          
SEQRES   3 A  252  ALA SER LYS PRO VAL ASP ILE GLU VAL PRO GLN ALA VAL          
SEQRES   4 A  252  LEU PRO ASP THR VAL PHE GLU ALA VAL VAL LYS ILE PRO          
SEQRES   5 A  252  TYR ASP MET GLN LEU LYS GLN VAL LEU ALA ASN GLY LYS          
SEQRES   6 A  252  LYS GLY ALA LEU ASN VAL GLY ALA VAL LEU ILE LEU PRO          
SEQRES   7 A  252  GLU GLY PHE GLU LEU ALA PRO PRO ASP ARG ILE SER PRO          
SEQRES   8 A  252  GLU MET LYS GLU LYS ILE GLY ASN LEU SER PHE GLN ASN          
SEQRES   9 A  252  TYR ARG PRO ASN LYS LYS ASN ILE LEU VAL ILE GLY PRO          
SEQRES  10 A  252  VAL PRO GLY GLN LYS TYR SER GLU ILE THR PHE PRO ILE          
SEQRES  11 A  252  LEU ALA PRO ASP PRO ALA THR ASN LYS ASP VAL HIS PHE          
SEQRES  12 A  252  LEU LYS TYR PRO ILE TYR VAL GLY GLY ASN ARG GLY ARG          
SEQRES  13 A  252  GLY GLN ILE TYR PRO ASP GLY SER LYS SER ASN ASN THR          
SEQRES  14 A  252  VAL TYR ASN ALA THR ALA GLY GLY ILE ILE SER LYS ILE          
SEQRES  15 A  252  LEU ARG LYS GLU LYS GLY GLY TYR GLU ILE THR ILE VAL          
SEQRES  16 A  252  ASP ALA SER ASN GLU ARG GLN VAL ILE ASP ILE ILE PRO          
SEQRES  17 A  252  ARG GLY LEU GLU LEU LEU VAL SER GLU GLY GLU SER ILE          
SEQRES  18 A  252  LYS LEU ASP GLN PRO LEU THR SER ASN PRO ASN VAL GLY          
SEQRES  19 A  252  GLY PHE GLY GLN GLY ASP ALA GLU ILE VAL LEU GLN ASP          
SEQRES  20 A  252  PRO LEU ARG VAL GLN                                          
HET    HEM  A 253      43                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN     HEM HEME                                                             
FORMUL   2  HEM    C34 H32 FE N4 O4                                             
FORMUL   3  HOH   *408(H2 O)                                                    
HELIX    1   1 PRO A    2  ASN A    8  1                                   7    
HELIX    2   2 VAL A   20  ASN A   23  5                                   4    
HELIX    3   3 PRO A   86  ARG A   88  5                                   3    
HELIX    4   4 PRO A   91  ILE A   97  1                                   7    
HELIX    5   5 GLY A  120  TYR A  123  1                                   4    
SHEET    1   A 3 ASP A  32  GLU A  34  0                                        
SHEET    2   A 3 VAL A  44  LYS A  50 -1  N  LYS A  50   O  ASP A  32           
SHEET    3   A 3 GLU A 125  LEU A 131 -1  N  ILE A 130   O  PHE A  45           
SHEET    1   B 5 ALA A  38  LEU A  40  0                                        
SHEET    2   B 5 GLY A 235  GLN A 246  1  N  VAL A 244   O  VAL A  39           
SHEET    3   B 5 LYS A 145  ARG A 154 -1  N  ARG A 154   O  GLY A 235           
SHEET    4   B 5 VAL A  71  ILE A  76 -1  N  ILE A  76   O  TYR A 149           
SHEET    5   B 5 ILE A 112  ILE A 115 -1  N  ILE A 115   O  ALA A  73           
SHEET    1   C 3 ARG A 201  ILE A 207  0                                        
SHEET    2   C 3 TYR A 190  ASP A 196 -1  N  ASP A 196   O  ARG A 201           
SHEET    3   C 3 ILE A 178  ARG A 184 -1  N  LEU A 183   O  GLU A 191           
LINK         SG  CYS A  21                 CAB HEM A 253     1555   1555  1.79  
LINK         SG  CYS A  24                 CAC HEM A 253     1555   1555  1.79  
LINK         N   TYR A   1                FE   HEM A 253     1555   1555  1.94  
LINK         NE2 HIS A  25                FE   HEM A 253     1555   1555  1.93  
CISPEP   1 GLY A  116    PRO A  117          0         1.28                     
SITE     1 AC1 21 TYR A   1  PRO A   2  PHE A   4  ALA A   5                    
SITE     2 AC1 21 CYS A  21  CYS A  24  HIS A  25  GLN A  59                    
SITE     3 AC1 21 LEU A  69  ASN A  70  VAL A  71  GLY A  72                    
SITE     4 AC1 21 ASN A 153  GLY A 155  ARG A 156  GLY A 157                    
SITE     5 AC1 21 ILE A 159  TYR A 160  PRO A 161  HOH A 292                    
SITE     6 AC1 21 HOH A 363                                                     
CRYST1   78.600   82.200   45.200  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      0.012723  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012165  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.022124        0.00000