HEADER    IRON-SULFUR PROTEIN                     19-MAR-98   1A70              
TITLE     SPINACH FERREDOXIN                                                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: FERREDOXIN;                                                
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SPINACIA OLERACEA;                              
SOURCE   3 ORGANISM_COMMON: SPINACH;                                            
SOURCE   4 ORGANISM_TAXID: 3562;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    IRON-SULFUR PROTEIN, PHOTOSYNTHESIS, ELECTRON TRANSPORT               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.BINDA,A.CODA,A.MATTEVI,A.ALIVERTI,G.ZANETTI                         
REVDAT   6   22-MAY-24 1A70    1       REMARK                                   
REVDAT   5   02-AUG-23 1A70    1       REMARK                                   
REVDAT   4   03-NOV-21 1A70    1       REMARK SEQADV LINK                       
REVDAT   3   24-FEB-09 1A70    1       VERSN                                    
REVDAT   2   13-JAN-99 1A70    3       ATOM   SOURCE COMPND REMARK              
REVDAT   2 2                   3       HETATM JRNL   KEYWDS TER                 
REVDAT   2 3                   3       CONECT                                   
REVDAT   1   25-NOV-98 1A70    0                                                
JRNL        AUTH   C.BINDA,A.CODA,A.ALIVERTI,G.ZANETTI,A.MATTEVI                
JRNL        TITL   STRUCTURE OF THE MUTANT E92K OF [2FE-2S] FERREDOXIN I FROM   
JRNL        TITL 2 SPINACIA OLERACEA AT 1.7 A RESOLUTION.                       
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  54  1353 1998              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   10089511                                                     
JRNL        DOI    10.1107/S0907444998005137                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : TNT 5D                                               
REMARK   3   AUTHORS     : TRONRUD,TEN EYCK,MATTHEWS                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 100.00                         
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 11755                          
REMARK   3                                                                      
REMARK   3  USING DATA ABOVE SIGMA CUTOFF.                                      
REMARK   3   CROSS-VALIDATION METHOD          : A POSTERIORI                    
REMARK   3   FREE R VALUE TEST SET SELECTION  : EVERY 10TH REFLECTION           
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.190                           
REMARK   3   R VALUE            (WORKING SET) : 0.182                           
REMARK   3   FREE R VALUE                     : 0.200                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 1090                            
REMARK   3                                                                      
REMARK   3  USING ALL DATA, NO SIGMA CUTOFF.                                    
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.2010                 
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.1960                 
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.259                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 10.00                  
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 1176                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 11755                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 732                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 4                                       
REMARK   3   SOLVENT ATOMS            : 81                                      
REMARK   3                                                                      
REMARK   3  WILSON B VALUE (FROM FCALC, A**2) : 5.100                           
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.    RMS    WEIGHT  COUNT           
REMARK   3   BOND LENGTHS                 (A) : 0.019 ; 70.000; 620             
REMARK   3   BOND ANGLES            (DEGREES) : 2.994 ; 90.000; 855             
REMARK   3   TORSION ANGLES         (DEGREES) : 18.500; 0.000 ; 300             
REMARK   3   PSEUDOROTATION ANGLES  (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   TRIGONAL CARBON PLANES       (A) : 0.021 ; 70.000; 13              
REMARK   3   GENERAL PLANES               (A) : 0.021 ; 240.00; 94              
REMARK   3   ISOTROPIC THERMAL FACTORS (A**2) : 4.300 ; 2.100 ; 620             
REMARK   3   NON-BONDED CONTACTS          (A) : 0.039 ; 125.00; 9               
REMARK   3                                                                      
REMARK   3  INCORRECT CHIRAL-CENTERS (COUNT) : NULL                             
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : BABINET SCALING                                      
REMARK   3   KSOL        : 0.80                                                 
REMARK   3   BSOL        : 150.0                                                
REMARK   3                                                                      
REMARK   3  RESTRAINT LIBRARIES.                                                
REMARK   3   STEREOCHEMISTRY : TNT PROTGEO                                      
REMARK   3   ISOTROPIC THERMAL FACTOR RESTRAINTS : TNT BCORREL V1.0             
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1A70 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_1000170471.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : JUN-96                             
REMARK 200  TEMPERATURE           (KELVIN) : 293                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RUH2R                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : GRAPHITE(002)                      
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : AGROVATA                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 11755                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.6                               
REMARK 200  DATA REDUNDANCY                : 2.500                              
REMARK 200  R MERGE                    (I) : 0.07800                            
REMARK 200  R SYM                      (I) : 0.11200                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.80                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 68.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.20200                            
REMARK 200  R SYM FOR SHELL            (I) : 0.30500                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1FRR                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.50                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 2.6M       
REMARK 280  AMMONIUM SULPHATE IN 50MM PHOSPHATE BUFFER, PH 7.5                  
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       15.50000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       41.76000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       19.59000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       41.76000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       15.50000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       19.59000            
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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ASP A  20   CB  -  CG  -  OD2 ANGL. DEV. =  -6.8 DEGREES          
REMARK 500    ASP A  34   CB  -  CG  -  OD1 ANGL. DEV. =   6.1 DEGREES          
REMARK 500    ASP A  34   CB  -  CG  -  OD2 ANGL. DEV. =  -5.9 DEGREES          
REMARK 500    ARG A  40   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.7 DEGREES          
REMARK 500    ASP A  59   CB  -  CG  -  OD2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500    ASP A  65   CB  -  CG  -  OD1 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    ASP A  84   CB  -  CG  -  OD1 ANGL. DEV. =  12.2 DEGREES          
REMARK 500    ASP A  84   CB  -  CG  -  OD2 ANGL. DEV. = -14.6 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    SER A  38      -77.42   -141.70                                   
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                             FES A1602  FE1                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  39   SG                                                     
REMARK 620 2 FES A1602   S1  116.8                                              
REMARK 620 3 FES A1602   S2  100.8 104.5                                        
REMARK 620 4 CYS A  44   SG  107.2 108.3 119.7                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             FES A1602  FE2                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  47   SG                                                     
REMARK 620 2 FES A1602   S1  113.0                                              
REMARK 620 3 FES A1602   S2  109.6 105.4                                        
REMARK 620 4 CYS A  77   SG  107.1 122.0  98.4                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FES A 1602                
DBREF  1A70 A    1    97  UNP    P00221   FER1_SPIOL      51    147             
SEQADV 1A70 LYS A   92  UNP  P00221    GLU   142 ENGINEERED MUTATION            
SEQRES   1 A   97  ALA ALA TYR LYS VAL THR LEU VAL THR PRO THR GLY ASN          
SEQRES   2 A   97  VAL GLU PHE GLN CYS PRO ASP ASP VAL TYR ILE LEU ASP          
SEQRES   3 A   97  ALA ALA GLU GLU GLU GLY ILE ASP LEU PRO TYR SER CYS          
SEQRES   4 A   97  ARG ALA GLY SER CYS SER SER CYS ALA GLY LYS LEU LYS          
SEQRES   5 A   97  THR GLY SER LEU ASN GLN ASP ASP GLN SER PHE LEU ASP          
SEQRES   6 A   97  ASP ASP GLN ILE ASP GLU GLY TRP VAL LEU THR CYS ALA          
SEQRES   7 A   97  ALA TYR PRO VAL SER ASP VAL THR ILE GLU THR HIS LYS          
SEQRES   8 A   97  LYS GLU GLU LEU THR ALA                                      
HET    FES  A1602       4                                                       
HETNAM     FES FE2/S2 (INORGANIC) CLUSTER                                       
FORMUL   2  FES    FE2 S2                                                       
FORMUL   3  HOH   *81(H2 O)                                                     
HELIX    1   1 ILE A   24  GLU A   30  1                                   7    
HELIX    2   2 ASP A   66  GLU A   71  1                                   6    
HELIX    3   3 THR A   76  ALA A   78  5                                   3    
HELIX    4   4 LYS A   92  GLU A   94  5                                   3    
SHEET    1   A 5 GLY A  12  PRO A  19  0                                        
SHEET    2   A 5 ALA A   2  THR A   9 -1  N  THR A   9   O  GLY A  12           
SHEET    3   A 5 VAL A  85  GLU A  88  1  N  VAL A  85   O  THR A   6           
SHEET    4   A 5 ALA A  48  THR A  53 -1  N  THR A  53   O  THR A  86           
SHEET    5   A 5 TRP A  73  LEU A  75 -1  N  VAL A  74   O  GLY A  49           
LINK         SG  CYS A  39                FE1  FES A1602     1555   1555  2.32  
LINK         SG  CYS A  44                FE1  FES A1602     1555   1555  2.28  
LINK         SG  CYS A  47                FE2  FES A1602     1555   1555  2.36  
LINK         SG  CYS A  77                FE2  FES A1602     1555   1555  2.27  
SITE     1 AC1  8 SER A  38  CYS A  39  ARG A  40  GLY A  42                    
SITE     2 AC1  8 SER A  43  CYS A  44  CYS A  47  CYS A  77                    
CRYST1   31.000   39.180   83.520  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      0.032258  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.025523  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011973        0.00000