PDB Short entry for 1BQ9
HEADER    METAL BINDING PROTEIN                   22-AUG-98   1BQ9              
TITLE     RUBREDOXIN (FORMYL METHIONINE MUTANT) FROM PYROCOCCUS FURIOSUS        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (RUBREDOXIN);                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: PF RD;                                                      
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PYROCOCCUS FURIOSUS;                            
SOURCE   3 ORGANISM_TAXID: 2261;                                                
SOURCE   4 VARIANT: FMET;                                                       
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 OTHER_DETAILS: PRODUCT OF A SYNTHETIC PF RD GENE                     
KEYWDS    IRON-SULFUR PROTEIN, HIGH-RESOLUTION STRUCTURE, METAL BINDING PROTEIN 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.BAU,D.C.REES,D.M.KURTZ,R.A.SCOTT,H.HUANG,M.W.W.ADAMS,M.K.EIDSNESS   
REVDAT   4   04-OCT-17 1BQ9    1       REMARK                                   
REVDAT   3   24-FEB-09 1BQ9    1       VERSN                                    
REVDAT   2   29-DEC-99 1BQ9    4       HEADER COMPND REMARK JRNL                
REVDAT   2 2                   4       ATOM   SOURCE SEQRES                     
REVDAT   1   26-AUG-98 1BQ9    0                                                
JRNL        AUTH   R.BAU,D.C.REES,D.M.KURTZ,R.A.SCOTT,H.HUANG,M.W.W.ADAMS,      
JRNL        AUTH 2 M.K.EIDSNESS                                                 
JRNL        TITL   CRYSTAL STRUCTURE OF RUBREDOXIN FROM PYROCOCCUS FURIOSUS AT  
JRNL        TITL 2 0.95 ANGSTROMS RESOLUTION, AND THE STRUCTURES OF N-TERMINAL  
JRNL        TITL 3 METHIONINE AND FORMYLMETHIONINE VARIANTS OF PF RD.           
JRNL        TITL 4 CONTRIBUTIONS OF N-TERMINAL INTERACTIONS TO THERMOSTABILITY  
JRNL        REF    J.BIOL.INORG.CHEM.            V.   3   484 1998              
JRNL        REFN                   ISSN 0949-8257                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : SHELXL                                               
REMARK   3   AUTHORS     : G.M.SHELDRICK                                        
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.5                           
REMARK   3   CROSS-VALIDATION METHOD           : NULL                           
REMARK   3   FREE R VALUE TEST SET SELECTION   : EVERY 10TH REFLECTION          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.137                  
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.166                  
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) : 14030                  
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : NULL                   
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : 0.133                  
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : 12478                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 423                                           
REMARK   3   NUCLEIC ACID ATOMS : 0                                             
REMARK   3   HETEROGEN ATOMS    : 1                                             
REMARK   3   SOLVENT ATOMS      : 159                                           
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : NULL                    
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : NULL                    
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : 7                       
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : 4664                    
REMARK   3   NUMBER OF RESTRAINTS                     : 5076                    
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : 0.022                   
REMARK   3   ANGLE DISTANCES                      (A) : 0.022                   
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL                    
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : NULL                    
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : NULL                    
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : NULL                    
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : 2.600                   
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : NULL                    
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : NULL                    
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : NULL                    
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: NULL                                                  
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : NULL                                
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: ANISOTROPIC C,N,O,S,FE ATOMS B23 (A**2)   
REMARK   3  : ESTIMATED OVERALL COORDINATE ERROR.                               
REMARK   4                                                                      
REMARK   4 1BQ9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB.                               
REMARK 100 THE DEPOSITION ID IS D_1000008026.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 123                                
REMARK 200  PH                             : 8.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
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          : SIEMENS X-1000                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 15400                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.5                               
REMARK 200  DATA REDUNDANCY                : 5.600                              
REMARK 200  R MERGE                    (I) : 0.06000                            
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) : 1.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.40                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 83.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.16600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER                        
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: KNOWN STRUCTURE (SEE TEXT)                                   
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 41.49                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: VAPOR DIFFUSION AGAINST 3.6M NA,K        
REMARK 280  PHOSPHATE, PH 8.5, VAPOR DIFFUSION                                  
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       17.01450            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       21.73500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       17.23700            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       21.73500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       17.01450            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       17.23700            
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: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   OD2  ASP A    16     OD2  ASP A    54     2655     1.83            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    GLU A  32   CG    GLU A  32   CD      0.500                       
REMARK 500    GLU A  32   CD    GLU A  32   OE1     0.603                       
REMARK 500    GLU A  32   CD    GLU A  32   OE2     0.857                       
REMARK 500    ASP A  36   CB    ASP A  36   CG      0.220                       
REMARK 500    ASP A  36   CG    ASP A  36   OD1     0.827                       
REMARK 500    GLU A  50   CB    GLU A  50   CG     -0.369                       
REMARK 500    GLU A  50   CG    GLU A  50   CD      1.210                       
REMARK 500    GLU A  50   CD    GLU A  50   OE1     0.874                       
REMARK 500    GLU A  50   CD    GLU A  50   OE2    -0.101                       
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    ILE A   8   CB  -  CG1 -  CD1 ANGL. DEV. = -21.2 DEGREES          
REMARK 500    GLU A  32   OE1 -  CD  -  OE2 ANGL. DEV. = -30.6 DEGREES          
REMARK 500    GLU A  32   CG  -  CD  -  OE1 ANGL. DEV. =  29.8 DEGREES          
REMARK 500    ASP A  36   OD1 -  CG  -  OD2 ANGL. DEV. = -23.5 DEGREES          
REMARK 500    ASP A  36   CB  -  CG  -  OD1 ANGL. DEV. =  44.9 DEGREES          
REMARK 500    ASP A  36   CB  -  CG  -  OD2 ANGL. DEV. = -28.3 DEGREES          
REMARK 500    ILE A  41   CB  -  CG1 -  CD1 ANGL. DEV. = -19.0 DEGREES          
REMARK 500    GLU A  50   CA  -  CB  -  CG  ANGL. DEV. = -15.5 DEGREES          
REMARK 500    GLU A  50   OE1 -  CD  -  OE2 ANGL. DEV. =  -7.7 DEGREES          
REMARK 500    GLU A  50   CG  -  CD  -  OE1 ANGL. DEV. = -50.9 DEGREES          
REMARK 500    GLU A  50   CG  -  CD  -  OE2 ANGL. DEV. = -36.8 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    ASP A  19       68.22   -157.31                                   
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    GLU A  32         0.11    SIDE CHAIN                              
REMARK 500    ASP A  36         0.08    SIDE CHAIN                              
REMARK 500    GLU A  50         0.29    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    GLY A  27        -12.90                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 600                                                                      
REMARK 600 HETEROGEN                                                            
REMARK 600                                                                      
REMARK 600 FME IS IN HET DICTIONARY                                             
REMARK 600                                                                      
REMARK 600 FE OF FES4 UNIT                                                      
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 A  55  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A   6   SG                                                     
REMARK 620 2 CYS A   9   SG  113.0                                              
REMARK 620 3 CYS A  39   SG  111.6 102.6                                        
REMARK 620 4 CYS A  42   SG  104.0 113.4 112.5                                  
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 FE A 55                   
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1CAA   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1BQ8   RELATED DB: PDB                                   
DBREF  1BQ9 A    1    54  UNP    P24297   RUBR_PYRFU       1     54             
SEQADV 1BQ9 FME A    1  UNP  P24297    MET     1 MODIFIED AMINO ACID            
SEQRES   1 A   54  FME ALA LYS TRP VAL CYS LYS ILE CYS GLY TYR ILE TYR          
SEQRES   2 A   54  ASP GLU ASP ALA GLY ASP PRO ASP ASN GLY ILE SER PRO          
SEQRES   3 A   54  GLY THR LYS PHE GLU GLU LEU PRO ASP ASP TRP VAL CYS          
SEQRES   4 A   54  PRO ILE CYS GLY ALA PRO LYS SER GLU PHE GLU LYS LEU          
SEQRES   5 A   54  GLU ASP                                                      
MODRES 1BQ9 FME A    1  MET  N-FORMYLMETHIONINE                                 
HET    FME  A   1      10                                                       
HET     FE  A  55       1                                                       
HETNAM     FME N-FORMYLMETHIONINE                                               
HETNAM      FE FE (III) ION                                                     
FORMUL   1  FME    C6 H11 N O3 S                                                
FORMUL   2   FE    FE 3+                                                        
FORMUL   3  HOH   *159(H2 O)                                                    
HELIX    1   1 PRO A   20  ASN A   22  5                                   3    
HELIX    2   2 PHE A   30  GLU A   32  5                                   3    
HELIX    3   3 LYS A   46  GLU A   48  5                                   3    
SHEET    1   A 3 ILE A  12  ASP A  14  0                                        
SHEET    2   A 3 LYS A   3  CYS A   6 -1  N  TRP A   4   O  TYR A  13           
SHEET    3   A 3 PHE A  49  LYS A  51 -1  N  GLU A  50   O  VAL A   5           
LINK         SG  CYS A   6                FE    FE A  55     1555   1555  2.27  
LINK         SG  CYS A   9                FE    FE A  55     1555   1555  2.26  
LINK         SG  CYS A  39                FE    FE A  55     1555   1555  2.29  
LINK         SG  CYS A  42                FE    FE A  55     1555   1555  2.26  
LINK         C   FME A   1                 N   ALA A   2     1555   1555  1.30  
SITE     1 AC1  4 CYS A   6  CYS A   9  CYS A  39  CYS A  42                    
CRYST1   34.029   34.474   43.470  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      0.029387  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.029007  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.023004        0.00000                         
HETATM    1  N   FME A   1      23.447  -5.765   5.119  1.00 19.07           N  
HETATM    2  CN  FME A   1      23.308  -6.776   4.291  1.00 20.46           C  
HETATM    3  O1  FME A   1      22.504  -6.713   3.357  1.00 24.75           O  
HETATM    4  CA  FME A   1      22.488  -4.745   5.410  1.00 18.15           C  
HETATM    5  CB  FME A   1      22.433  -4.342   6.827  1.00 21.15           C  
HETATM    6  CG  FME A   1      22.198  -5.618   7.751  1.00 22.84           C  
HETATM    7  SD  FME A   1      20.445  -6.032   7.772  1.00 23.40           S  
HETATM    8  CE  FME A   1      20.476  -7.587   8.656  1.00 28.76           C  
HETATM    9  C   FME A   1      22.699  -3.530   4.487  1.00 17.12           C  
HETATM   10  O   FME A   1      23.804  -3.248   4.077  1.00 20.25           O