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Title    Crystal Structure Of An N-Terminal 40Kd Fragment Of E. Coli DNA Mismatch Repair Protein Mutl
Classification    DNA Repair
Compound    Mol_Id: 1; Molecule: Mutl; Chain: A, B; Fragment: N-Terminal 40Kd Fragment; Engineered: Yes
Exp. Method    X-ray Diffraction
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HEADER    DNA REPAIR                              09-JUL-98   1BKN              
TITLE     CRYSTAL STRUCTURE OF AN N-TERMINAL 40KD FRAGMENT OF E. COLI           
TITLE    2 DNA MISMATCH REPAIR PROTEIN MUTL                                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MUTL;                                                      
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: N-TERMINAL 40KD FRAGMENT;                                  
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 STRAIN: K-12;                                                        
SOURCE   4 PLASMID: PTX418;                                                     
SOURCE   5 GENE: MUTL;                                                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: HMS174 (LAMBDA DE3);                       
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PTX418;                                   
SOURCE  10 EXPRESSION_SYSTEM_GENE: MUTL                                         
KEYWDS    DNA REPAIR, ATPASE, DNA BINDING                                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    W.YANG,C.BAN                                                          
REVDAT   1   11-MAY-99 1BKN    0                                                
JRNL        AUTH   C.BAN,W.YANG                                                 
JRNL        TITL   CRYSTAL STRUCTURE AND ATPASE ACTIVITY OF MUTL:               
JRNL        TITL 2 IMPLICATIONS FOR DNA REPAIR AND MUTAGENESIS                  
JRNL        REF    CELL(CAMBRIDGE,MASS.)         V.  95   541 1998              
JRNL        REFN   ASTM CELLB5  US ISSN 0092-8674                 0998          
REMARK   1                                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION. 2.9  ANGSTROMS.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.9                            
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.0                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.0                            
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 10000000.00                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.001000                       
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 98.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 19961                          
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) : 0.248                           
REMARK   3   FREE R VALUE                     : 0.300                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.8                             
REMARK   3   FREE R VALUE TEST SET COUNT      : 963                             
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) : 2.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 3.08                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.4                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 3117                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.362                        
REMARK   3   BIN FREE R VALUE                    : 0.388                        
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.6                          
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 151                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.032                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4237                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 165                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 84.7                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 73.2                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.0                                                  
REMARK   3    B22 (A**2) : 0.0                                                  
REMARK   3    B33 (A**2) : 0.0                                                  
REMARK   3    B12 (A**2) : 0.0                                                  
REMARK   3    B13 (A**2) : 0.0                                                  
REMARK   3    B23 (A**2) : 0.0                                                  
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.42                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.65                            
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) : 0.51                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.73                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.005                           
REMARK   3   BOND ANGLES            (DEGREES) : 0.9                             
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 27.0                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.49                            
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) : 3.53  ; 1.5                  
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 5.79  ; 2.0                  
REMARK   3   SIDE-CHAIN BOND              (A**2) : 5.77  ; 2.0                  
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 8.78  ; 2.5                  
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  : TOPPAR:PROTEIN_REP.PARAM                       
REMARK   3  PARAMETER FILE  2  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPPAR:TOPHCSDX.PRO                            
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1BKN COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998                       
REMARK   6                                                                      
REMARK   6 THE FIRST THREE RESIDUES IN THE SEQUENCE ARE NOT ENCODED BY          
REMARK   6  E. COLI MUTL GENE. THEY ARE FUSED INTO MUTL PROTEIN DUE TO          
REMARK   6  CLONING AND EXPRESSION.                                             
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : AUG-1997                           
REMARK 200  TEMPERATURE           (KELVIN) : 95                                 
REMARK 200  PH                             : 6.6                                
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          : RU200                              
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.542                              
REMARK 200  MONOCHROMATOR                  : NI FILTER                          
REMARK 200  OPTICS                         : MIRROR                             
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : R-AXIS IPII                        
REMARK 200  DETECTOR MANUFACTURER          : MSC                                
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL                                
REMARK 200  DATA SCALING SOFTWARE          : CCP4                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 23519                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.7                                
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.0                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.0                                
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.5                               
REMARK 200  DATA REDUNDANCY                : 4.5                                
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.074                              
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.3                                
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.7                      
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.8                      
REMARK 200  COMPLETENESS FOR SHELL     (%) : 84.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.7                                
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.7                                
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.1                                
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SIRAS                        
REMARK 200 SOFTWARE USED: CCP4, MAMA                                            
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: DATA TO 2.9A ARE USED FOR THE STRUCTURE REFINEMENT.          
REMARK 200    THE LAST SHELL (2.9A TO 3.0A) HAS RSYM OF 0.50,                   
REMARK 200    COMPLETENESS OF 98.3% AND I/SIGI OF 2.1.                          
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 57                                        
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM BIS-TRIS PROPANE (PH               
REMARK 280 6.6), 100MM MG ACETATE 100MM MGSO4 2MM DTT 20% PEG 8000              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   1/2-X,-Y,1/2+Z                                          
REMARK 290       3555   -X,1/2+Y,1/2-Z                                          
REMARK 290       4555   1/2+X,1/2-Y,-Z                                          
REMARK 290       5555   1/2+X,1/2+Y,1/2+Z                                       
REMARK 290       6555   -X,1/2-Y,Z                                              
REMARK 290       7555   1/2-X,Y,-Z                                              
REMARK 290       8555   X,-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       43.59958            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000      110.84017            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       46.59832            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000      110.84017            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       43.59958            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       46.59832            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       43.59958            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       46.59832            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000      110.84017            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       46.59832            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       43.59958            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000      110.84017            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 295                                                                      
REMARK 295 NON-CRYSTALLOGRAPHIC SYMMETRY                                        
REMARK 295 THE TRANSFORMATIONS PRESENTED ON THE MTRIX RECORDS BELOW             
REMARK 295 DESCRIBE NON-CRYSTALLOGRAPHIC RELATIONSHIPS AMONG ATOMS              
REMARK 295 IN THIS ENTRY.  APPLYING THE APPROPRIATE MTRIX                       
REMARK 295 TRANSFORMATION TO THE RESIDUES LISTED FIRST WILL YIELD               
REMARK 295 APPROXIMATE COORDINATES FOR THE RESIDUES LISTED SECOND.              
REMARK 295 CHAIN IDENTIFIERS GIVEN AS "?" REFER TO CHAINS FOR WHICH             
REMARK 295 ATOMS ARE NOT FOUND IN THIS ENTRY.                                   
REMARK 295                                                                      
REMARK 295               APPLIED TO          TRANSFORMED TO                     
REMARK 295   TRANSFORM CHAIN  RESIDUES       CHAIN  RESIDUES     RMSD           
REMARK 295     SSS                                                              
REMARK 295    M  1       A   20 .. 331         B  420 .. 731     2.899          
REMARK 295                                                                      
REMARK 295    WHERE SSS -> COLUMNS 8-10 OF MTRIX RECORDS                        
REMARK 295                                                                      
REMARK 295 REMARK: THE NCS RELATIONSHIP IS NOT STRICT.  THE A AND B             
REMARK 295 CHAINS ARE GENERALLY RELATED BY THE ABOVE NCS MATRIX AND             
REMARK 295 VECTOR.                                                              
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     LEU B 561    CG   CD1  CD2                                       
REMARK 470     ARG B 562    CG   CD   NE   CZ   NH1  NH2                        
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   CG2  VAL B   420     CG2  VAL B   420     6855     2.08            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 1BKN  A    PIR     PH0853       1 -    19 NOT IN ATOMS LIST          
REMARK 999 1BKN  A    PIR     PH0853     332 -   918 NOT IN ATOMS LIST          
REMARK 999 1BKN  B    PIR     PH0853       1 -    19 NOT IN ATOMS LIST          
REMARK 999 1BKN  B    PIR     PH0853     332 -   918 NOT IN ATOMS LIST          
REMARK 999                                                                      
REMARK 999 THE FIRST 3 RESIDUES IN THE SEQUENCE (GLY-SER-HIS) ARE               
REMARK 999 FROM A CLONING-EXPRESSION VECTOR.  THEY ARE NOT ENCODED BY           
REMARK 999 THE E. COLI MUTL GENE.  THERE ARE SIX DISORDERED LOOPS,              
REMARK 999 INCLUDING THE N- AND C-TERMINI, IN THE CRYSTAL STRUCTURE             
REMARK 999 OF MUTL.                                                             
DBREF  1BKN A   20    73  PIR    PH0853   PH0853          20     73             
DBREF  1BKN A   80   125  PIR    PH0853   PH0853          80    125             
DBREF  1BKN A  132   149  PIR    PH0853   PH0853         132    149             
DBREF  1BKN A  163   299  PIR    PH0853   PH0853         163    299             
DBREF  1BKN A  315   331  PIR    PH0853   PH0853         315    331             
DBREF  1BKN B  420   473  PIR    PH0853   PH0853          20     73             
DBREF  1BKN B  487   524  PIR    PH0853   PH0853          87    124             
DBREF  1BKN B  530   550  PIR    PH0853   PH0853         130    150             
DBREF  1BKN B  561   699  PIR    PH0853   PH0853         161    299             
DBREF  1BKN B  713   731  PIR    PH0853   PH0853         313    331             
SEQADV 1BKN     A       PIR  PH0853    ARG    74 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    HIS    75 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    ALA    76 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    THR    77 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    SER    78 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    LYS    79 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    GLU   126 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    GLY   127 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    ARG   128 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    ASP   129 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    MET   130 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    ASN   131 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    LEU   150 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    PHE   151 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    TYR   152 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    ASN   153 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    THR   154 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    PRO   155 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    ALA   156 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    ARG   157 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    ARG   158 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    LYS   159 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    PHE   160 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    LEU   161 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    ARG   162 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    ASP   300 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    VAL   301 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    ASN   302 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    VAL   303 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    HIS   304 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    PRO   305 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    ALA   306 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    LYS   307 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    HIS   308 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    GLU   309 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    VAL   310 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    ARG   311 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    PHE   312 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    HIS   313 GAP IN PDB ENTRY               
SEQADV 1BKN     A       PIR  PH0853    GLN   314 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    ARG    74 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    HIS    75 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    ALA    76 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    THR    77 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    SER    78 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    LYS    79 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    ILE    80 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    ALA    81 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    SER    82 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    LEU    83 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    ASP    84 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    ASP    85 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    LEU    86 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    ALA   125 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    GLU   126 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    GLY   127 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    ARG   128 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    ASP   129 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    PHE   151 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    TYR   152 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    ASN   153 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    THR   154 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    PRO   155 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    ALA   156 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    ARG   157 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    ARG   158 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    LYS   159 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    PHE   160 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    ASP   300 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    VAL   301 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    ASN   302 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    VAL   303 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    HIS   304 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    PRO   305 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    ALA   306 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    LYS   307 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    HIS   308 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    GLU   309 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    VAL   310 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    ARG   311 GAP IN PDB ENTRY               
SEQADV 1BKN     B       PIR  PH0853    PHE   312 GAP IN PDB ENTRY               
SEQRES   1 A  352  GLY SER HIS MET PRO ILE GLN VAL LEU PRO PRO GLN LEU          
SEQRES   2 A  352  ALA ASN GLN ILE ALA ALA GLY GLU VAL VAL GLU ARG PRO          
SEQRES   3 A  352  ALA SER VAL VAL LYS GLU LEU VAL GLU ASN SER LEU ASP          
SEQRES   4 A  352  ALA GLY ALA THR ARG ILE ASP ILE ASP ILE GLU ARG GLY          
SEQRES   5 A  352  GLY ALA LYS LEU ILE ARG ILE ARG ASP ASN GLY CYS GLY          
SEQRES   6 A  352  ILE LYS LYS ASP GLU LEU ALA LEU ALA LEU ALA ARG HIS          
SEQRES   7 A  352  ALA THR SER LYS ILE ALA SER LEU ASP ASP LEU GLU ALA          
SEQRES   8 A  352  ILE ILE SER LEU GLY PHE ARG GLY GLU ALA LEU ALA SER          
SEQRES   9 A  352  ILE SER SER VAL SER ARG LEU THR LEU THR SER ARG THR          
SEQRES  10 A  352  ALA GLU GLN GLN GLU ALA TRP GLN ALA TYR ALA GLU GLY          
SEQRES  11 A  352  ARG ASP MET ASN VAL THR VAL LYS PRO ALA ALA HIS PRO          
SEQRES  12 A  352  VAL GLY THR THR LEU GLU VAL LEU ASP LEU PHE TYR ASN          
SEQRES  13 A  352  THR PRO ALA ARG ARG LYS PHE LEU ARG THR GLU LYS THR          
SEQRES  14 A  352  GLU PHE ASN HIS ILE ASP GLU ILE ILE ARG ARG ILE ALA          
SEQRES  15 A  352  LEU ALA ARG PHE ASP VAL THR ILE ASN LEU SER HIS ASN          
SEQRES  16 A  352  GLY LYS ILE VAL ARG GLN TYR ARG ALA VAL PRO GLU GLY          
SEQRES  17 A  352  GLY GLN LYS GLU ARG ARG LEU GLY ALA ILE CYS GLY THR          
SEQRES  18 A  352  ALA PHE LEU GLU GLN ALA LEU ALA ILE GLU TRP GLN HIS          
SEQRES  19 A  352  GLY ASP LEU THR LEU ARG GLY TRP VAL ALA ASP PRO ASN          
SEQRES  20 A  352  HIS THR THR PRO ALA LEU ALA GLU ILE GLN TYR CYS TYR          
SEQRES  21 A  352  VAL ASN GLY ARG MET MET ARG ASP ARG LEU ILE ASN HIS          
SEQRES  22 A  352  ALA ILE ARG GLN ALA CYS GLU ASP LYS LEU GLY ALA ASP          
SEQRES  23 A  352  GLN GLN PRO ALA PHE VAL LEU TYR LEU GLU ILE ASP PRO          
SEQRES  24 A  352  HIS GLN VAL ASP VAL ASN VAL HIS PRO ALA LYS HIS GLU          
SEQRES  25 A  352  VAL ARG PHE HIS GLN SER ARG LEU VAL HIS ASP PHE ILE          
SEQRES  26 A  352  TYR GLN GLY VAL LEU SER VAL LEU GLN GLN GLN LEU GLU          
SEQRES  27 A  352  THR PRO LEU PRO LEU ASP ASP GLU PRO GLN PRO ALA PRO          
SEQRES  28 A  352  ARG                                                          
SEQRES   1 B  352  GLY SER HIS MET PRO ILE GLN VAL LEU PRO PRO GLN LEU          
SEQRES   2 B  352  ALA ASN GLN ILE ALA ALA GLY GLU VAL VAL GLU ARG PRO          
SEQRES   3 B  352  ALA SER VAL VAL LYS GLU LEU VAL GLU ASN SER LEU ASP          
SEQRES   4 B  352  ALA GLY ALA THR ARG ILE ASP ILE ASP ILE GLU ARG GLY          
SEQRES   5 B  352  GLY ALA LYS LEU ILE ARG ILE ARG ASP ASN GLY CYS GLY          
SEQRES   6 B  352  ILE LYS LYS ASP GLU LEU ALA LEU ALA LEU ALA ARG HIS          
SEQRES   7 B  352  ALA THR SER LYS ILE ALA SER LEU ASP ASP LEU GLU ALA          
SEQRES   8 B  352  ILE ILE SER LEU GLY PHE ARG GLY GLU ALA LEU ALA SER          
SEQRES   9 B  352  ILE SER SER VAL SER ARG LEU THR LEU THR SER ARG THR          
SEQRES  10 B  352  ALA GLU GLN GLN GLU ALA TRP GLN ALA TYR ALA GLU GLY          
SEQRES  11 B  352  ARG ASP MET ASN VAL THR VAL LYS PRO ALA ALA HIS PRO          
SEQRES  12 B  352  VAL GLY THR THR LEU GLU VAL LEU ASP LEU PHE TYR ASN          
SEQRES  13 B  352  THR PRO ALA ARG ARG LYS PHE LEU ARG THR GLU LYS THR          
SEQRES  14 B  352  GLU PHE ASN HIS ILE ASP GLU ILE ILE ARG ARG ILE ALA          
SEQRES  15 B  352  LEU ALA ARG PHE ASP VAL THR ILE ASN LEU SER HIS ASN          
SEQRES  16 B  352  GLY LYS ILE VAL ARG GLN TYR ARG ALA VAL PRO GLU GLY          
SEQRES  17 B  352  GLY GLN LYS GLU ARG ARG LEU GLY ALA ILE CYS GLY THR          
SEQRES  18 B  352  ALA PHE LEU GLU GLN ALA LEU ALA ILE GLU TRP GLN HIS          
SEQRES  19 B  352  GLY ASP LEU THR LEU ARG GLY TRP VAL ALA ASP PRO ASN          
SEQRES  20 B  352  HIS THR THR PRO ALA LEU ALA GLU ILE GLN TYR CYS TYR          
SEQRES  21 B  352  VAL ASN GLY ARG MET MET ARG ASP ARG LEU ILE ASN HIS          
SEQRES  22 B  352  ALA ILE ARG GLN ALA CYS GLU ASP LYS LEU GLY ALA ASP          
SEQRES  23 B  352  GLN GLN PRO ALA PHE VAL LEU TYR LEU GLU ILE ASP PRO          
SEQRES  24 B  352  HIS GLN VAL ASP VAL ASN VAL HIS PRO ALA LYS HIS GLU          
SEQRES  25 B  352  VAL ARG PHE HIS GLN SER ARG LEU VAL HIS ASP PHE ILE          
SEQRES  26 B  352  TYR GLN GLY VAL LEU SER VAL LEU GLN GLN GLN LEU GLU          
SEQRES  27 B  352  THR PRO LEU PRO LEU ASP ASP GLU PRO GLN PRO ALA PRO          
SEQRES  28 B  352  ARG                                                          
FORMUL   3  HOH   *55(H2 O1)                                                    
HELIX    1   1 PRO A   23  ASP A   36  1                                  14    
HELIX    2   2 LYS A   65  LEU A   72  1                                   8    
HELIX    3   3 ALA A   81  LEU A   86  5                                   6    
HELIX    4   4 ILE A   90  LEU A   92  5                                   3    
HELIX    5   5 PHE A   94  VAL A  105  1                                  12    
HELIX    6   6 THR A  166  ALA A  181  1                                  16    
HELIX    7   7 LYS A  208  GLN A  223  1                                  16    
HELIX    8   8 PRO A  243  HIS A  245  5                                   3    
HELIX    9   9 LEU A  250  GLU A  252  5                                   3    
HELIX   10  10 ARG A  266  LYS A  279  1                                  14    
HELIX   11  11 ARG A  316  VAL A  329  1                                  14    
HELIX   12  12 PRO B  423  ASP B  436  1                                  14    
HELIX   13  13 LYS B  465  LEU B  472  1                                   8    
HELIX   14  14 ILE B  490  LEU B  492  5                                   3    
HELIX   15  15 PHE B  494  VAL B  505  1                                  12    
HELIX   16  16 LYS B  565  ALA B  581  1                                  17    
HELIX   17  17 LYS B  608  GLN B  623  1                                  16    
HELIX   18  18 PRO B  643  HIS B  645  5                                   3    
HELIX   19  19 LEU B  650  GLU B  652  5                                   3    
HELIX   20  20 ARG B  666  LYS B  679  1                                  14    
HELIX   21  21 ARG B  716  VAL B  729  1                                  14    
SHEET    1   A 6 THR A 109  SER A 112  0                                        
SHEET    2   A 6 THR A 143  GLU A 146 -1  N  GLU A 146   O  THR A 109           
SHEET    3   A 6 LEU A  53  ASP A  58 -1  N  ASP A  58   O  THR A 143           
SHEET    4   A 6 ARG A  41  GLU A  47 -1  N  GLU A  47   O  LEU A  53           
SHEET    5   A 6 THR A 186  HIS A 191  1  N  THR A 186   O  ILE A  42           
SHEET    6   A 6 LYS A 194  TYR A 199 -1  N  TYR A 199   O  ILE A 187           
SHEET    1   B 2 ALA A 120  GLN A 122  0                                        
SHEET    2   B 2 LYS A 135  ALA A 137 -1  N  ALA A 137   O  ALA A 120           
SHEET    1   C 5 ALA A 224  HIS A 231  0                                        
SHEET    2   C 5 LEU A 234  ALA A 241 -1  N  VAL A 240   O  LEU A 225           
SHEET    3   C 5 PHE A 288  GLU A 293 -1  N  GLU A 293   O  THR A 235           
SHEET    4   C 5 GLN A 254  VAL A 258  1  N  TYR A 255   O  PHE A 288           
SHEET    5   C 5 ARG A 261  MET A 263 -1  N  MET A 263   O  CYS A 256           
SHEET    1   D 4 LEU B 453  ASP B 458  0                                        
SHEET    2   D 4 ARG B 441  GLU B 447 -1  N  GLU B 447   O  LEU B 453           
SHEET    3   D 4 THR B 586  HIS B 591  1  N  THR B 586   O  ILE B 442           
SHEET    4   D 4 LYS B 594  TYR B 599 -1  N  TYR B 599   O  ILE B 587           
SHEET    1   E 2 THR B 509  ARG B 513  0                                        
SHEET    2   E 2 GLY B 542  GLU B 546 -1  N  GLU B 546   O  THR B 509           
SHEET    1   F 2 ALA B 520  GLN B 522  0                                        
SHEET    2   F 2 LYS B 535  ALA B 537 -1  N  ALA B 537   O  ALA B 520           
SHEET    1   G 5 ALA B 624  HIS B 631  0                                        
SHEET    2   G 5 LEU B 634  ALA B 641 -1  N  VAL B 640   O  LEU B 625           
SHEET    3   G 5 PHE B 688  GLU B 693 -1  N  GLU B 693   O  THR B 635           
SHEET    4   G 5 GLN B 654  VAL B 658  1  N  TYR B 655   O  PHE B 688           
SHEET    5   G 5 ARG B 661  MET B 663 -1  N  MET B 663   O  CYS B 656           
CRYST1   87.200   93.200  221.700  90.00  90.00  90.00 I 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      0.011468  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010730  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.004511        0.00000                         
MTRIX1   1  0.041784  0.989309 -0.139721       68.73042    1                    
MTRIX2   1  0.999101 -0.040365  0.012974      -63.03986    1                    
MTRIX3   1  0.007196 -0.140137 -0.990106      173.24435    1                    
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