HEADER    ELECTRON TRANSPORT                      31-MAR-97   1C6S              
TITLE     THE SOLUTION STRUCTURE OF CYTOCHROME C6 FROM THE THERMOPHILIC         
TITLE    2 CYANOBACTERIUM SYNECHOCOCCUS ELONGATUS, NMR, 20 STRUCTURES           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYTOCHROME C6;                                             
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: CYTOCHROME C553;                                            
COMPND   5 OTHER_DETAILS: REDUCED                                               
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SYNECHOCOCCUS ELONGATUS;                        
SOURCE   3 ORGANISM_TAXID: 32046                                                
KEYWDS    CYTOCHROME C6, ELECTRON TRANSPORT, PHOTOSYNTHESIS, SYNECHOCOCCUS      
KEYWDS   2 ELONGATUS                                                            
EXPDTA    SOLUTION NMR                                                          
NUMMDL    20                                                                    
AUTHOR    P.ROESCH,M.BEISSINGER,H.STICHT,M.SUTTER,A.EJCHART,W.HAEHNEL           
REVDAT   4   16-OCT-24 1C6S    1       REMARK                                   
REVDAT   3   16-FEB-22 1C6S    1       REMARK LINK                              
REVDAT   2   24-FEB-09 1C6S    1       VERSN                                    
REVDAT   1   08-APR-98 1C6S    0                                                
JRNL        AUTH   M.BEISSINGER,H.STICHT,M.SUTTER,A.EJCHART,W.HAEHNEL,P.ROSCH   
JRNL        TITL   SOLUTION STRUCTURE OF CYTOCHROME C6 FROM THE THERMOPHILIC    
JRNL        TITL 2 CYANOBACTERIUM SYNECHOCOCCUS ELONGATUS.                      
JRNL        REF    EMBO J.                       V.  17    27 1998              
JRNL        REFN                   ISSN 0261-4189                               
JRNL        PMID   9427738                                                      
JRNL        DOI    10.1093/EMBOJ/17.1.27                                        
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   M.SUTTER,H.STICHT,R.SCHMID,P.HOERTH,P.ROESCH,W.HAEHNEL       
REMARK   1  TITL   CYTOCHROME C6 FROM THE THERMOPHILIC SYNECHOCOCCUS ELONGATUS  
REMARK   1  EDIT   P.MATHIS                                                     
REMARK   1  REF    PHOTOSYNTHESIS : FROM LIGHT   V.   2   563 1995              
REMARK   1  REF  2 TO BIOSPHERE : PROCEEDINGS                                   
REMARK   1  REF  3 OF THE XTH INTERNATIONAL                                     
REMARK   1  REF  4 PHOTOSYNTHESIS CONGRESS,                                     
REMARK   1  REF  5 MONTPELLIER, FRANCE, 20-25                                   
REMARK   1  REF  6 AUGUST 1995                                                  
REMARK   1  PUBL   DORDRECHT : KLUWER ACADEMIC PUBLISHERS                       
REMARK   1  REFN                   ISSN 0-7923-3862-6                           
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1C6S COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000172173.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 298                                
REMARK 210  PH                             : 6.5                                
REMARK 210  IONIC STRENGTH                 : NULL                               
REMARK 210  PRESSURE                       : NULL                               
REMARK 210  SAMPLE CONTENTS                : NULL                               
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : NULL                               
REMARK 210  SPECTROMETER FIELD STRENGTH    : 600 MHZ                            
REMARK 210  SPECTROMETER MODEL             : AMX600                             
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : NDEE, X-PLOR                       
REMARK 210   METHOD USED                   : SIMULATED ANNEALING, RESTRAINED    
REMARK 210                                   MOLECULAR DYNAMICS                 
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 50                                 
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 20                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : ENERGY, AGREEMENT WITH             
REMARK 210                                   EXPERIMENTAL DATA                  
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL                
REMARK 210                                                                      
REMARK 210 REMARK: NULL                                                         
REMARK 215                                                                      
REMARK 215 NMR STUDY                                                            
REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION           
REMARK 215 NMR DATA.  PROTEIN DATA BANK CONVENTIONS REQUIRE THAT                
REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON              
REMARK 215 THESE RECORDS ARE MEANINGLESS.                                       
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 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  7 TYR A  76   CB  -  CG  -  CD2 ANGL. DEV. =  -4.1 DEGREES          
REMARK 500 18 TYR A  76   CB  -  CG  -  CD2 ANGL. DEV. =  -3.8 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  1 ASN A  13      -57.83   -154.82                                   
REMARK 500  1 HIS A  18      -69.63   -157.07                                   
REMARK 500  1 MET A  19      102.59     36.24                                   
REMARK 500  1 ASN A  28      -62.95   -176.58                                   
REMARK 500  1 LYS A  29       97.00    -55.18                                   
REMARK 500  1 THR A  30     -167.40   -111.10                                   
REMARK 500  1 LYS A  32      -89.75    -45.22                                   
REMARK 500  1 LYS A  33      -26.02   -178.74                                   
REMARK 500  1 MET A  41       29.95    158.57                                   
REMARK 500  1 ALA A  46      -76.61    -66.06                                   
REMARK 500  1 HIS A  53       26.77   -161.99                                   
REMARK 500  1 LYS A  55      126.67    160.86                                   
REMARK 500  1 ASN A  56      -81.66     68.98                                   
REMARK 500  1 ALA A  60      165.50    -40.23                                   
REMARK 500  1 PHE A  61       15.59   -146.76                                   
REMARK 500  1 LEU A  65     -140.71    -82.00                                   
REMARK 500  1 ASP A  67      -54.92    153.34                                   
REMARK 500  1 GLN A  71      -65.76    -97.48                                   
REMARK 500  1 LYS A  83       39.51   -170.59                                   
REMARK 500  1 TRP A  85       83.78    -40.30                                   
REMARK 500  1 ALA A  86       24.30     46.43                                   
REMARK 500  2 CYS A  17       19.04   -140.64                                   
REMARK 500  2 HIS A  18      -53.30   -158.31                                   
REMARK 500  2 MET A  19       98.67     35.58                                   
REMARK 500  2 ASN A  23      157.53    -40.72                                   
REMARK 500  2 VAL A  25      -68.61   -109.73                                   
REMARK 500  2 ASN A  28      -46.55    178.09                                   
REMARK 500  2 LYS A  32      179.65    -59.72                                   
REMARK 500  2 ALA A  46      -71.63    -57.65                                   
REMARK 500  2 HIS A  53       32.42   -164.38                                   
REMARK 500  2 LYS A  55      128.93    157.90                                   
REMARK 500  2 ASN A  56      -86.97     62.95                                   
REMARK 500  2 ALA A  62       39.01     27.53                                   
REMARK 500  2 THR A  66      179.28    -43.70                                   
REMARK 500  2 GLN A  71      -69.87    -97.31                                   
REMARK 500  2 LYS A  83       30.56   -150.03                                   
REMARK 500  2 TRP A  85       84.34    -40.79                                   
REMARK 500  2 ALA A  86       23.57     47.38                                   
REMARK 500  3 ASN A  13      -53.16   -153.97                                   
REMARK 500  3 HIS A  18      -66.50   -158.67                                   
REMARK 500  3 MET A  19       98.91     39.48                                   
REMARK 500  3 LYS A  32      173.53    -46.01                                   
REMARK 500  3 MET A  41       25.12   -159.16                                   
REMARK 500  3 ALA A  46      -73.94    -69.65                                   
REMARK 500  3 HIS A  53       13.60   -147.35                                   
REMARK 500  3 LYS A  55      127.48    155.17                                   
REMARK 500  3 ASN A  56      -88.31     61.00                                   
REMARK 500  3 ALA A  60      158.50    -37.54                                   
REMARK 500  3 LEU A  65     -157.42    -66.52                                   
REMARK 500  3 ASP A  67      -53.88    153.72                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     395 RAMACHANDRAN OUTLIERS.                        
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  1 ARG A  64         0.32    SIDE CHAIN                              
REMARK 500  2 ARG A  64         0.28    SIDE CHAIN                              
REMARK 500  3 ARG A  64         0.30    SIDE CHAIN                              
REMARK 500  4 ARG A  64         0.28    SIDE CHAIN                              
REMARK 500  5 ARG A  64         0.28    SIDE CHAIN                              
REMARK 500  6 ARG A  64         0.20    SIDE CHAIN                              
REMARK 500  7 ARG A  64         0.29    SIDE CHAIN                              
REMARK 500  8 ARG A  64         0.30    SIDE CHAIN                              
REMARK 500  9 ARG A  64         0.23    SIDE CHAIN                              
REMARK 500 10 ARG A  64         0.29    SIDE CHAIN                              
REMARK 500 11 ARG A  64         0.16    SIDE CHAIN                              
REMARK 500 12 ARG A  64         0.24    SIDE CHAIN                              
REMARK 500 13 ARG A  64         0.31    SIDE CHAIN                              
REMARK 500 14 ARG A  64         0.32    SIDE CHAIN                              
REMARK 500 15 ARG A  64         0.23    SIDE CHAIN                              
REMARK 500 16 ARG A  64         0.12    SIDE CHAIN                              
REMARK 500 17 ARG A  64         0.19    SIDE CHAIN                              
REMARK 500 19 ARG A  64         0.32    SIDE CHAIN                              
REMARK 500 20 ARG A  64         0.32    SIDE CHAIN                              
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                             HEC A  88  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  18   NE2                                                    
REMARK 620 2 HEC A  88   NA   87.4                                              
REMARK 620 3 HEC A  88   NB   76.5  90.2                                        
REMARK 620 4 HEC A  88   NC   92.0 179.3  90.0                                  
REMARK 620 5 HEC A  88   ND  103.0  90.1 179.4  89.7                            
REMARK 620 6 MET A  58   SD  154.7  89.4  78.4  91.3 102.1                      
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 HEC A 88                  
DBREF  1C6S A    1    87  UNP    P0A3Y0   CYC6_SYNEN       1     87             
SEQRES   1 A   87  ALA ASP LEU ALA ASN GLY ALA LYS VAL PHE SER GLY ASN          
SEQRES   2 A   87  CYS ALA ALA CYS HIS MET GLY GLY GLY ASN VAL VAL MET          
SEQRES   3 A   87  ALA ASN LYS THR LEU LYS LYS GLU ALA LEU GLU GLN PHE          
SEQRES   4 A   87  GLY MET TYR SER GLU ASP ALA ILE ILE TYR GLN VAL GLN          
SEQRES   5 A   87  HIS GLY LYS ASN ALA MET PRO ALA PHE ALA GLY ARG LEU          
SEQRES   6 A   87  THR ASP GLU GLN ILE GLN ASP VAL ALA ALA TYR VAL LEU          
SEQRES   7 A   87  ASP GLN ALA ALA LYS GLY TRP ALA GLY                          
HET    HEC  A  88      75                                                       
HETNAM     HEC HEME C                                                           
FORMUL   2  HEC    C34 H34 FE N4 O4                                             
HELIX    1   1 LEU A    3  PHE A   10  1                                   8    
HELIX    2   2 CYS A   14  CYS A   17  5                                   4    
HELIX    3   3 GLU A   44  VAL A   51  1                                   8    
HELIX    4   4 GLU A   68  GLN A   80  1                                  13    
LINK         SG  CYS A  14                 CAB HEC A  88     1555   1555  1.80  
LINK         SG  CYS A  17                 CAC HEC A  88     1555   1555  1.81  
LINK         NE2 HIS A  18                FE   HEC A  88     1555   1555  2.29  
LINK         SD  MET A  58                FE   HEC A  88     1555   1555  2.78  
SITE     1 AC1 19 CYS A  14  CYS A  17  HIS A  18  ASN A  23                    
SITE     2 AC1 19 VAL A  25  LYS A  29  LEU A  31  PHE A  39                    
SITE     3 AC1 19 MET A  41  ILE A  47  GLN A  50  VAL A  51                    
SITE     4 AC1 19 LYS A  55  ASN A  56  ALA A  57  MET A  58                    
SITE     5 AC1 19 PRO A  59  PHE A  61  LEU A  65                               
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1           1          
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      1.000000  0.000000  0.000000        0.00000                         
SCALE2      0.000000  1.000000  0.000000        0.00000                         
SCALE3      0.000000  0.000000  1.000000        0.00000                         
MODEL        1