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Database: PDB
Entry: 2D2A
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HEADER    METAL TRANSPORT                         05-SEP-05   2D2A              
TITLE     CRYSTAL STRUCTURE OF ESCHERICHIA COLI SUFA INVOLVED IN BIOSYNTHESIS OF
TITLE    2 IRON-SULFUR CLUSTERS                                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SUFA PROTEIN;                                              
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: C41(DE3);                                  
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET-19B                                   
KEYWDS    IRON-SULFUR CLUSTER, IRON, SUF, SUFA, ISCA, YADR, METAL TRANSPORT     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.WADA,Y.HASEGAWA,Z.GONG,Y.MINAMI,K.FUKUYAMA,Y.TAKAHASHI              
REVDAT   4   25-OCT-23 2D2A    1       SEQADV                                   
REVDAT   3   11-OCT-17 2D2A    1       REMARK                                   
REVDAT   2   24-FEB-09 2D2A    1       VERSN                                    
REVDAT   1   13-DEC-05 2D2A    0                                                
JRNL        AUTH   K.WADA,Y.HASEGAWA,Z.GONG,Y.MINAMI,K.FUKUYAMA,Y.TAKAHASHI     
JRNL        TITL   CRYSTAL STRUCTURE OF ESCHERICHIA COLI SUFA INVOLVED IN       
JRNL        TITL 2 BIOSYNTHESIS OF IRON-SULFUR CLUSTERS: IMPLICATIONS FOR A     
JRNL        TITL 3 FUNCTIONAL DIMER                                             
JRNL        REF    FEBS LETT.                    V. 579  6543 2005              
JRNL        REFN                   ISSN 0014-5793                               
JRNL        PMID   16298366                                                     
JRNL        DOI    10.1016/J.FEBSLET.2005.10.046                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 41.60                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 421277.640                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 7692                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.232                           
REMARK   3   FREE R VALUE                     : 0.272                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.600                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 817                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.010                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.70                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.87                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 87.60                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1021                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2600                       
REMARK   3   BIN FREE R VALUE                    : 0.2980                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.90                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 125                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.027                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1640                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 37                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 40.10                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 34.90                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -3.42000                                             
REMARK   3    B22 (A**2) : 5.78000                                              
REMARK   3    B33 (A**2) : -2.37000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.32                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.25                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.39                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.32                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.047                           
REMARK   3   BOND ANGLES            (DEGREES) : 3.400                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 28.60                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 3.050                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.37                                                 
REMARK   3   BSOL        : 43.83                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER.PARAM                                    
REMARK   3  PARAMETER FILE  3  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2D2A COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 09-SEP-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000024898.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 29-MAY-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SPRING-8                           
REMARK 200  BEAMLINE                       : BL41XU                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0000                             
REMARK 200  MONOCHROMATOR                  : SI(111) DOUBLE MONOCHROMATOR       
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MAR                                
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 8136                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.08500                            
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) : 2.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.80                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.80                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.34900                            
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: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1S98                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 41.20                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG2000MME, PH 4.8, VAPOR DIFFUSION,     
REMARK 280  HANGING DROP, TEMPERATURE 293K                                      
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       12.58100            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       61.00650            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       44.25000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       61.00650            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       12.58100            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       44.25000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A DIMER IN THE ASYMMETRIC UNIT.   
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1480 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 12640 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -9.0 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1930 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 12200 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -14.0 KCAL/MOL                        
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 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000       50.32400            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000      -44.25000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       61.00650            
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     MET A   -22                                                      
REMARK 465     GLY A   -21                                                      
REMARK 465     HIS A   -20                                                      
REMARK 465     HIS A   -19                                                      
REMARK 465     HIS A   -18                                                      
REMARK 465     HIS A   -17                                                      
REMARK 465     HIS A   -16                                                      
REMARK 465     HIS A   -15                                                      
REMARK 465     HIS A   -14                                                      
REMARK 465     HIS A   -13                                                      
REMARK 465     HIS A   -12                                                      
REMARK 465     HIS A   -11                                                      
REMARK 465     SER A   -10                                                      
REMARK 465     SER A    -9                                                      
REMARK 465     GLY A    -8                                                      
REMARK 465     HIS A    -7                                                      
REMARK 465     ILE A    -6                                                      
REMARK 465     ASP A    -5                                                      
REMARK 465     ASP A    -4                                                      
REMARK 465     ASP A    -3                                                      
REMARK 465     ASP A    -2                                                      
REMARK 465     LEU A    -1                                                      
REMARK 465     HIS A     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     ASP A     2                                                      
REMARK 465     MET A     3                                                      
REMARK 465     HIS A     4                                                      
REMARK 465     SER A     5                                                      
REMARK 465     GLY A     6                                                      
REMARK 465     THR A     7                                                      
REMARK 465     PHE A     8                                                      
REMARK 465     MET B   -22                                                      
REMARK 465     GLY B   -21                                                      
REMARK 465     HIS B   -20                                                      
REMARK 465     HIS B   -19                                                      
REMARK 465     HIS B   -18                                                      
REMARK 465     HIS B   -17                                                      
REMARK 465     HIS B   -16                                                      
REMARK 465     HIS B   -15                                                      
REMARK 465     HIS B   -14                                                      
REMARK 465     HIS B   -13                                                      
REMARK 465     HIS B   -12                                                      
REMARK 465     HIS B   -11                                                      
REMARK 465     SER B   -10                                                      
REMARK 465     SER B    -9                                                      
REMARK 465     GLY B    -8                                                      
REMARK 465     HIS B    -7                                                      
REMARK 465     ILE B    -6                                                      
REMARK 465     ASP B    -5                                                      
REMARK 465     ASP B    -4                                                      
REMARK 465     ASP B    -3                                                      
REMARK 465     ASP B    -2                                                      
REMARK 465     LEU B    -1                                                      
REMARK 465     HIS B     0                                                      
REMARK 465     MET B     1                                                      
REMARK 465     ASP B     2                                                      
REMARK 465     MET B     3                                                      
REMARK 465     HIS B     4                                                      
REMARK 465     THR B    48                                                      
REMARK 465     GLY B    49                                                      
REMARK 465     CYS B    50                                                      
REMARK 465     ALA B    51                                                      
REMARK 465     GLN B   111                                                      
REMARK 465     ASN B   112                                                      
REMARK 465     GLU B   113                                                      
REMARK 465     CYS B   114                                                      
REMARK 465     GLY B   115                                                      
REMARK 465     CYS B   116                                                      
REMARK 465     GLY B   117                                                      
REMARK 465     GLU B   118                                                      
REMARK 465     SER B   119                                                      
REMARK 465     PHE B   120                                                      
REMARK 465     GLY B   121                                                      
REMARK 465     VAL B   122                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ASN A   9    CG   OD1  ND2                                       
REMARK 470     LYS A  46    CG   CD   CE   NZ                                   
REMARK 470     LYS A  65    CG   CD   CE   NZ                                   
REMARK 470     GLN A 111    CG   CD   OE1  NE2                                  
REMARK 470     GLU A 113    CG   CD   OE1  OE2                                  
REMARK 470     SER B   5    OG                                                  
REMARK 470     GLN B  11    CG   CD   OE1  NE2                                  
REMARK 470     LYS B  65    CG   CD   CE   NZ                                   
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    PRO A  10   CA    PRO A  10   C       0.130                       
REMARK 500    GLN A  11   CB    GLN A  11   CG      0.266                       
REMARK 500    GLN A  11   CG    GLN A  11   CD      0.261                       
REMARK 500    ASP A  12   CB    ASP A  12   CG      0.166                       
REMARK 500    THR A  19   C     THR A  19   O      -0.134                       
REMARK 500    ARG A  29   CZ    ARG A  29   NH2     0.125                       
REMARK 500    VAL A  32   CA    VAL A  32   CB     -0.158                       
REMARK 500    PRO A  36   CD    PRO A  36   N       0.105                       
REMARK 500    PRO A  36   C     PRO A  36   O       0.124                       
REMARK 500    LYS A  46   CA    LYS A  46   CB      0.178                       
REMARK 500    GLN A  47   CB    GLN A  47   CG      0.190                       
REMARK 500    GLN A  47   CG    GLN A  47   CD      0.311                       
REMARK 500    GLY A  49   CA    GLY A  49   C       0.148                       
REMARK 500    CYS A  50   CB    CYS A  50   SG      0.125                       
REMARK 500    PHE A  53   CB    PHE A  53   CG      0.133                       
REMARK 500    PHE A  53   CG    PHE A  53   CD2     0.113                       
REMARK 500    PHE A  53   CE1   PHE A  53   CZ      0.139                       
REMARK 500    TYR A  55   CG    TYR A  55   CD1    -0.092                       
REMARK 500    TYR A  55   CE2   TYR A  55   CD2     0.106                       
REMARK 500    VAL A  56   CB    VAL A  56   CG1     0.131                       
REMARK 500    ASP A  58   CG    ASP A  58   OD1     0.216                       
REMARK 500    SER A  59   CA    SER A  59   CB     -0.095                       
REMARK 500    SER A  59   CB    SER A  59   OG     -0.125                       
REMARK 500    VAL A  60   CB    VAL A  60   CG2    -0.134                       
REMARK 500    SER A  61   CB    SER A  61   OG     -0.084                       
REMARK 500    GLU A  62   CG    GLU A  62   CD      0.122                       
REMARK 500    GLU A  62   CD    GLU A  62   OE2     0.131                       
REMARK 500    ASP A  66   CB    ASP A  66   CG      0.291                       
REMARK 500    PHE A  70   CE1   PHE A  70   CZ      0.132                       
REMARK 500    GLU A  71   CD    GLU A  71   OE2     0.089                       
REMARK 500    ASP A  73   CB    ASP A  73   CG      0.317                       
REMARK 500    ASP A  73   C     ASP A  73   O      -0.128                       
REMARK 500    PHE A  86   CB    PHE A  86   CG      0.137                       
REMARK 500    PHE A  86   CD1   PHE A  86   CE1     0.174                       
REMARK 500    PHE A  86   CE1   PHE A  86   CZ      0.131                       
REMARK 500    PHE A  86   CZ    PHE A  86   CE2     0.115                       
REMARK 500    PHE A  86   CE2   PHE A  86   CD2     0.120                       
REMARK 500    GLU A  91   CD    GLU A  91   OE1     0.103                       
REMARK 500    VAL A  95   CB    VAL A  95   CG1    -0.151                       
REMARK 500    PHE A 103   CG    PHE A 103   CD1     0.090                       
REMARK 500    PHE A 103   CZ    PHE A 103   CE2     0.127                       
REMARK 500    GLU A 118   C     GLU A 118   O      -0.152                       
REMARK 500    GLY A 121   C     GLY A 121   O       0.101                       
REMARK 500    PHE B 103   CB    PHE B 103   CG      0.117                       
REMARK 500    LYS B 104   CD    LYS B 104   CE      0.199                       
REMARK 500    LYS B 104   CE    LYS B 104   NZ      0.193                       
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    ASP A  12   CB  -  CG  -  OD2 ANGL. DEV. =   9.6 DEGREES          
REMARK 500    GLN A  16   CB  -  CA  -  C   ANGL. DEV. = -12.8 DEGREES          
REMARK 500    LEU A  18   CA  -  CB  -  CG  ANGL. DEV. =  16.8 DEGREES          
REMARK 500    ARG A  29   NE  -  CZ  -  NH1 ANGL. DEV. = -10.4 DEGREES          
REMARK 500    ARG A  29   NE  -  CZ  -  NH2 ANGL. DEV. =   9.1 DEGREES          
REMARK 500    PRO A  36   CB  -  CA  -  C   ANGL. DEV. = -12.8 DEGREES          
REMARK 500    ARG A  42   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.9 DEGREES          
REMARK 500    CYS A  50   N   -  CA  -  CB  ANGL. DEV. =  10.9 DEGREES          
REMARK 500    GLY A  54   N   -  CA  -  C   ANGL. DEV. = -17.0 DEGREES          
REMARK 500    LEU A  57   CB  -  CG  -  CD2 ANGL. DEV. =  14.7 DEGREES          
REMARK 500    VAL A  60   CG1 -  CB  -  CG2 ANGL. DEV. = -10.6 DEGREES          
REMARK 500    ASP A  66   OD1 -  CG  -  OD2 ANGL. DEV. = -14.2 DEGREES          
REMARK 500    ASP A  66   CB  -  CG  -  OD2 ANGL. DEV. =  14.1 DEGREES          
REMARK 500    ASP A  67   CB  -  CG  -  OD1 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    ASP A  73   OD1 -  CG  -  OD2 ANGL. DEV. = -12.6 DEGREES          
REMARK 500    ASP A  73   CB  -  CG  -  OD1 ANGL. DEV. =  12.5 DEGREES          
REMARK 500    PRO A  85   N   -  CD  -  CG  ANGL. DEV. = -11.3 DEGREES          
REMARK 500    ASP A  88   CB  -  CG  -  OD2 ANGL. DEV. =   6.4 DEGREES          
REMARK 500    ASP A  93   CB  -  CG  -  OD1 ANGL. DEV. =  12.9 DEGREES          
REMARK 500    ASP A  93   CB  -  CG  -  OD2 ANGL. DEV. =  -7.1 DEGREES          
REMARK 500    ARG A  96   NE  -  CZ  -  NH1 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500    LEU A  99   CA  -  CB  -  CG  ANGL. DEV. =  21.2 DEGREES          
REMARK 500    ALA A 110   CA  -  C   -  N   ANGL. DEV. =  17.9 DEGREES          
REMARK 500    GLN A 111   CA  -  C   -  N   ANGL. DEV. =  15.5 DEGREES          
REMARK 500    GLN A 111   O   -  C   -  N   ANGL. DEV. = -11.9 DEGREES          
REMARK 500    CYS A 114   CA  -  CB  -  SG  ANGL. DEV. = -15.0 DEGREES          
REMARK 500    SER A 119   N   -  CA  -  CB  ANGL. DEV. = -14.7 DEGREES          
REMARK 500    VAL A 122   CB  -  CA  -  C   ANGL. DEV. = -12.6 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    PRO A  10      -65.38   -127.87                                   
REMARK 500    GLN A  11     -147.23   -178.33                                   
REMARK 500    ASP A  12       91.23     60.13                                   
REMARK 500    PHE A  13        3.00   -160.79                                   
REMARK 500    ALA A  14       94.36     37.37                                   
REMARK 500    CYS A  50      -99.06    -77.98                                   
REMARK 500    ALA A  51       32.72    -98.91                                   
REMARK 500    PHE A  53      122.85   -177.34                                   
REMARK 500    GLN A  82        4.30    -60.96                                   
REMARK 500    ILE A  87       16.73   -141.31                                   
REMARK 500    GLN A 111      172.69     43.46                                   
REMARK 500    HIS B  72      117.74   -170.56                                   
REMARK 500    LYS B 109       41.47    -87.58                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 VAL A   32     ALA A   33                 -148.59                    
REMARK 500 GLY A   49     CYS A   50                  149.49                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  2D2A A    1   122  UNP    P77667   SUFA_ECOLI       1    122             
DBREF  2D2A B    1   122  UNP    P77667   SUFA_ECOLI       1    122             
SEQADV 2D2A MET A  -22  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A GLY A  -21  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS A  -20  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS A  -19  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS A  -18  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS A  -17  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS A  -16  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS A  -15  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS A  -14  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS A  -13  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS A  -12  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS A  -11  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A SER A  -10  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A SER A   -9  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A GLY A   -8  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS A   -7  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A ILE A   -6  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A ASP A   -5  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A ASP A   -4  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A ASP A   -3  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A ASP A   -2  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A LEU A   -1  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS A    0  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A MET B  -22  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A GLY B  -21  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS B  -20  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS B  -19  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS B  -18  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS B  -17  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS B  -16  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS B  -15  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS B  -14  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS B  -13  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS B  -12  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS B  -11  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A SER B  -10  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A SER B   -9  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A GLY B   -8  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS B   -7  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A ILE B   -6  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A ASP B   -5  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A ASP B   -4  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A ASP B   -3  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A ASP B   -2  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A LEU B   -1  UNP  P77667              EXPRESSION TAG                 
SEQADV 2D2A HIS B    0  UNP  P77667              EXPRESSION TAG                 
SEQRES   1 A  145  MET GLY HIS HIS HIS HIS HIS HIS HIS HIS HIS HIS SER          
SEQRES   2 A  145  SER GLY HIS ILE ASP ASP ASP ASP LEU HIS MET ASP MET          
SEQRES   3 A  145  HIS SER GLY THR PHE ASN PRO GLN ASP PHE ALA TRP GLN          
SEQRES   4 A  145  GLY LEU THR LEU THR PRO ALA ALA ALA ILE HIS ILE ARG          
SEQRES   5 A  145  GLU LEU VAL ALA LYS GLN PRO GLY MET VAL GLY VAL ARG          
SEQRES   6 A  145  LEU GLY VAL LYS GLN THR GLY CYS ALA GLY PHE GLY TYR          
SEQRES   7 A  145  VAL LEU ASP SER VAL SER GLU PRO ASP LYS ASP ASP LEU          
SEQRES   8 A  145  LEU PHE GLU HIS ASP GLY ALA LYS LEU PHE VAL PRO LEU          
SEQRES   9 A  145  GLN ALA MET PRO PHE ILE ASP GLY THR GLU VAL ASP PHE          
SEQRES  10 A  145  VAL ARG GLU GLY LEU ASN GLN ILE PHE LYS PHE HIS ASN          
SEQRES  11 A  145  PRO LYS ALA GLN ASN GLU CYS GLY CYS GLY GLU SER PHE          
SEQRES  12 A  145  GLY VAL                                                      
SEQRES   1 B  145  MET GLY HIS HIS HIS HIS HIS HIS HIS HIS HIS HIS SER          
SEQRES   2 B  145  SER GLY HIS ILE ASP ASP ASP ASP LEU HIS MET ASP MET          
SEQRES   3 B  145  HIS SER GLY THR PHE ASN PRO GLN ASP PHE ALA TRP GLN          
SEQRES   4 B  145  GLY LEU THR LEU THR PRO ALA ALA ALA ILE HIS ILE ARG          
SEQRES   5 B  145  GLU LEU VAL ALA LYS GLN PRO GLY MET VAL GLY VAL ARG          
SEQRES   6 B  145  LEU GLY VAL LYS GLN THR GLY CYS ALA GLY PHE GLY TYR          
SEQRES   7 B  145  VAL LEU ASP SER VAL SER GLU PRO ASP LYS ASP ASP LEU          
SEQRES   8 B  145  LEU PHE GLU HIS ASP GLY ALA LYS LEU PHE VAL PRO LEU          
SEQRES   9 B  145  GLN ALA MET PRO PHE ILE ASP GLY THR GLU VAL ASP PHE          
SEQRES  10 B  145  VAL ARG GLU GLY LEU ASN GLN ILE PHE LYS PHE HIS ASN          
SEQRES  11 B  145  PRO LYS ALA GLN ASN GLU CYS GLY CYS GLY GLU SER PHE          
SEQRES  12 B  145  GLY VAL                                                      
FORMUL   3  HOH   *37(H2 O)                                                     
HELIX    1   1 THR A   21  GLN A   35  1                                  15    
HELIX    2   2 ALA A   83  ASP A   88  1                                   6    
HELIX    3   3 THR B   21  GLN B   35  1                                  15    
HELIX    4   4 ALA B   83  ASP B   88  1                                   6    
SHEET    1   A 3 THR A  19  LEU A  20  0                                        
SHEET    2   A 3 GLU A  91  GLU A  97  1  O  VAL A  92   N  THR A  19           
SHEET    3   A 3 ASN A 100  HIS A 106 -1  O  ILE A 102   N  VAL A  95           
SHEET    1   B 4 GLY A  52  VAL A  60  0                                        
SHEET    2   B 4 GLY A  40  THR A  48 -1  N  ARG A  42   O  ASP A  58           
SHEET    3   B 4 ALA A  75  PRO A  80  1  O  PHE A  78   N  VAL A  41           
SHEET    4   B 4 ASP A  67  HIS A  72 -1  N  LEU A  68   O  VAL A  79           
SHEET    1   C 4 SER A 119  GLY A 121  0                                        
SHEET    2   C 4 ASN B 100  HIS B 106 -1  O  PHE B 103   N  PHE A 120           
SHEET    3   C 4 GLU B  91  GLU B  97 -1  N  GLU B  97   O  ASN B 100           
SHEET    4   C 4 THR B  19  LEU B  20  1  N  THR B  19   O  VAL B  92           
SHEET    1   D 4 GLY B  54  VAL B  60  0                                        
SHEET    2   D 4 GLY B  40  LYS B  46 -1  N  GLY B  44   O  VAL B  56           
SHEET    3   D 4 ALA B  75  PRO B  80  1  O  PHE B  78   N  VAL B  41           
SHEET    4   D 4 ASP B  67  HIS B  72 -1  N  LEU B  68   O  VAL B  79           
CRYST1   25.162   88.500  122.013  90.00  90.00  90.00 P 21 21 21    8          
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      0.039742  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011299  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008196        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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