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Database: PDB
Entry: 1AD1
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Original site: 1AD1 
HEADER    TRANSFERASE                             19-FEB-97   1AD1              
TITLE     DIHYDROPTEROATE SYNTHETASE (APO FORM) FROM STAPHYLOCOCCUS AUREUS      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DIHYDROPTEROATE SYNTHETASE;                                
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: DHPS;                                                       
COMPND   5 EC: 2.5.1.15;                                                        
COMPND   6 OTHER_DETAILS: APO FORM                                              
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS;                          
SOURCE   3 ORGANISM_TAXID: 1280                                                 
KEYWDS    SYNTHETASE, TRANSFERASE, DIHYDROPTEROATE SYNTHETASE, DHPS, APO FORM,  
KEYWDS   2 COMPLEX WITH OH-CH2-PTERIN-PYROPHOSPHATE                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.KOSTREWA,C.OEFNER,A.D'ARCY                                          
REVDAT   4   07-FEB-24 1AD1    1       REMARK LINK                              
REVDAT   3   24-FEB-09 1AD1    1       VERSN                                    
REVDAT   2   01-APR-03 1AD1    1       JRNL                                     
REVDAT   1   29-APR-98 1AD1    0                                                
JRNL        AUTH   I.C.HAMPELE,A.D'ARCY,G.E.DALE,D.KOSTREWA,J.NIELSEN,C.OEFNER, 
JRNL        AUTH 2 M.G.PAGE,H.J.SCHONFELD,D.STUBER,R.L.THEN                     
JRNL        TITL   STRUCTURE AND FUNCTION OF THE DIHYDROPTEROATE SYNTHASE FROM  
JRNL        TITL 2 STAPHYLOCOCCUS AUREUS.                                       
JRNL        REF    J.MOL.BIOL.                   V. 268    21 1997              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   9149138                                                      
JRNL        DOI    10.1006/JMBI.1997.0944                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR                                               
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 13.50                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 23608                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.159                           
REMARK   3   FREE R VALUE                     : 0.218                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3984                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 10                                      
REMARK   3   SOLVENT ATOMS            : 401                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.010                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.400                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
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  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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  CONVENTIONAL RESTRAINED POSITIONAL AND TEMPERATURE FACTOR           
REMARK   3  REFINEMENT WITH STEREOCHEMICAL PARAMETERS FROM ENGH & HUBER.        
REMARK   3                                                                      
REMARK   3  THE ELECTRON DENSITY OF THE TRIS MOLECULE IS ONLY POORLY            
REMARK   3  DEFINED.                                                            
REMARK   4                                                                      
REMARK   4 1AD1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000170667.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : AUG-96                             
REMARK 200  TEMPERATURE           (KELVIN) : 120                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : BM1A                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
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) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.29                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -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        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       21.09500            
REMARK 290   SMTRY3   2  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 300 REMARK: THE ASYMMETRIC UNIT OF THE CRYSTAL CONTAINS ONE DIMER.       
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: 3490 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 21540 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -14.0 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 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     PHE A   266                                                      
REMARK 465     SER A   267                                                      
REMARK 465     ASP B    15                                                      
REMARK 465     SER B    16                                                      
REMARK 465     PHE B    17                                                      
REMARK 465     SER B    18                                                      
REMARK 465     ASP B    19                                                      
REMARK 465     GLY B    20                                                      
REMARK 465     GLY B    21                                                      
REMARK 465     LYS B    22                                                      
REMARK 465     PHE B    23                                                      
REMARK 465     ASN B    24                                                      
REMARK 465     ARG B    52                                                      
REMARK 465     PRO B    53                                                      
REMARK 465     GLY B    54                                                      
REMARK 465     HIS B    55                                                      
REMARK 465     GLU B    56                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    SER A  18      -71.81    -56.75                                   
REMARK 500    SER A 201      112.30    -35.90                                   
REMARK 500    ASN B 134       35.97    -94.82                                   
REMARK 500    ALA B 173       37.27     38.99                                   
REMARK 500    SER B 201      109.85    -27.02                                   
REMARK 500    ARG B 202       11.12     59.21                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A 268   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 VAL A  75   O                                                      
REMARK 620 2 PHE A  77   O    88.4                                              
REMARK 620 3 VAL A  79   O   136.4  78.5                                        
REMARK 620 4 HOH A 517   O    80.9 164.0 101.2                                  
REMARK 620 5 HOH A 589   O   147.5  88.8  74.3 106.7                            
REMARK 620 6 HOH A 594   O    63.2  91.8 156.7  94.0  84.5                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K B   1   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 VAL B  75   O                                                      
REMARK 620 2 PHE B  77   O    88.9                                              
REMARK 620 3 VAL B  79   O   135.4  80.8                                        
REMARK 620 4 HOH B 291   O    82.4 168.8 100.6                                  
REMARK 620 5 HOH B 424   O   134.5 122.1  85.6  69.1                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 1                     
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 268                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TRS A 500                 
DBREF  1AD1 A    2   267  UNP    O05701   DHPS_STAAU       2    267             
DBREF  1AD1 B    2   267  UNP    O05701   DHPS_STAAU       2    267             
SEQRES   1 A  266  THR LYS THR LYS ILE MET GLY ILE LEU ASN VAL THR PRO          
SEQRES   2 A  266  ASP SER PHE SER ASP GLY GLY LYS PHE ASN ASN VAL GLU          
SEQRES   3 A  266  SER ALA VAL THR ARG VAL LYS ALA MET MET ASP GLU GLY          
SEQRES   4 A  266  ALA ASP ILE ILE ASP VAL GLY GLY VAL SER THR ARG PRO          
SEQRES   5 A  266  GLY HIS GLU MET ILE THR VAL GLU GLU GLU LEU ASN ARG          
SEQRES   6 A  266  VAL LEU PRO VAL VAL GLU ALA ILE VAL GLY PHE ASP VAL          
SEQRES   7 A  266  LYS ILE SER VAL ASP THR PHE ARG SER GLU VAL ALA GLU          
SEQRES   8 A  266  ALA CYS LEU LYS LEU GLY VAL ASP ILE ILE ASN ASP GLN          
SEQRES   9 A  266  TRP ALA GLY LEU TYR ASP HIS ARG MET PHE GLN VAL VAL          
SEQRES  10 A  266  ALA LYS TYR ASP ALA GLU ILE VAL LEU MET HIS ASN GLY          
SEQRES  11 A  266  ASN GLY ASN ARG ASP GLU PRO VAL VAL GLU GLU MET LEU          
SEQRES  12 A  266  THR SER LEU LEU ALA GLN ALA HIS GLN ALA LYS ILE ALA          
SEQRES  13 A  266  GLY ILE PRO SER ASN LYS ILE TRP LEU ASP PRO GLY ILE          
SEQRES  14 A  266  GLY PHE ALA LYS THR ARG ASN GLU GLU ALA GLU VAL MET          
SEQRES  15 A  266  ALA ARG LEU ASP GLU LEU VAL ALA THR GLU TYR PRO VAL          
SEQRES  16 A  266  LEU LEU ALA THR SER ARG LYS ARG PHE THR LYS GLU MET          
SEQRES  17 A  266  MET GLY TYR ASP THR THR PRO VAL GLU ARG ASP GLU VAL          
SEQRES  18 A  266  THR ALA ALA THR THR ALA TYR GLY ILE MET LYS GLY VAL          
SEQRES  19 A  266  ARG ALA VAL ARG VAL HIS ASN VAL GLU LEU ASN ALA LYS          
SEQRES  20 A  266  LEU ALA LYS GLY ILE ASP PHE LEU LYS GLU ASN GLU ASN          
SEQRES  21 A  266  ALA ARG HIS ASN PHE SER                                      
SEQRES   1 B  266  THR LYS THR LYS ILE MET GLY ILE LEU ASN VAL THR PRO          
SEQRES   2 B  266  ASP SER PHE SER ASP GLY GLY LYS PHE ASN ASN VAL GLU          
SEQRES   3 B  266  SER ALA VAL THR ARG VAL LYS ALA MET MET ASP GLU GLY          
SEQRES   4 B  266  ALA ASP ILE ILE ASP VAL GLY GLY VAL SER THR ARG PRO          
SEQRES   5 B  266  GLY HIS GLU MET ILE THR VAL GLU GLU GLU LEU ASN ARG          
SEQRES   6 B  266  VAL LEU PRO VAL VAL GLU ALA ILE VAL GLY PHE ASP VAL          
SEQRES   7 B  266  LYS ILE SER VAL ASP THR PHE ARG SER GLU VAL ALA GLU          
SEQRES   8 B  266  ALA CYS LEU LYS LEU GLY VAL ASP ILE ILE ASN ASP GLN          
SEQRES   9 B  266  TRP ALA GLY LEU TYR ASP HIS ARG MET PHE GLN VAL VAL          
SEQRES  10 B  266  ALA LYS TYR ASP ALA GLU ILE VAL LEU MET HIS ASN GLY          
SEQRES  11 B  266  ASN GLY ASN ARG ASP GLU PRO VAL VAL GLU GLU MET LEU          
SEQRES  12 B  266  THR SER LEU LEU ALA GLN ALA HIS GLN ALA LYS ILE ALA          
SEQRES  13 B  266  GLY ILE PRO SER ASN LYS ILE TRP LEU ASP PRO GLY ILE          
SEQRES  14 B  266  GLY PHE ALA LYS THR ARG ASN GLU GLU ALA GLU VAL MET          
SEQRES  15 B  266  ALA ARG LEU ASP GLU LEU VAL ALA THR GLU TYR PRO VAL          
SEQRES  16 B  266  LEU LEU ALA THR SER ARG LYS ARG PHE THR LYS GLU MET          
SEQRES  17 B  266  MET GLY TYR ASP THR THR PRO VAL GLU ARG ASP GLU VAL          
SEQRES  18 B  266  THR ALA ALA THR THR ALA TYR GLY ILE MET LYS GLY VAL          
SEQRES  19 B  266  ARG ALA VAL ARG VAL HIS ASN VAL GLU LEU ASN ALA LYS          
SEQRES  20 B  266  LEU ALA LYS GLY ILE ASP PHE LEU LYS GLU ASN GLU ASN          
SEQRES  21 B  266  ALA ARG HIS ASN PHE SER                                      
HET      K  A 268       1                                                       
HET    TRS  A 500       8                                                       
HET      K  B   1       1                                                       
HETNAM       K POTASSIUM ION                                                    
HETNAM     TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL                         
HETSYN     TRS TRIS BUFFER                                                      
FORMUL   3    K    2(K 1+)                                                      
FORMUL   4  TRS    C4 H12 N O3 1+                                               
FORMUL   6  HOH   *401(H2 O)                                                    
HELIX    1   1 PRO A   14  SER A   16  5                                   3    
HELIX    2   2 VAL A   26  ASP A   38  1                                  13    
HELIX    3   3 VAL A   60  ILE A   74  1                                  15    
HELIX    4   4 SER A   88  LYS A   96  1                                   9    
HELIX    5   5 HIS A  112  LYS A  120  5                                   9    
HELIX    6   6 VAL A  139  ILE A  156  1                                  18    
HELIX    7   7 SER A  161  LYS A  163  5                                   3    
HELIX    8   8 ARG A  176  ALA A  184  1                                   9    
HELIX    9   9 LEU A  186  THR A  192  1                                   7    
HELIX   10  10 ARG A  204  MET A  209  1                                   6    
HELIX   11  11 PRO A  216  LYS A  233  5                                  18    
HELIX   12  12 VAL A  243  HIS A  264  1                                  22    
HELIX   13  13 VAL B   26  ASP B   38  1                                  13    
HELIX   14  14 VAL B   60  ILE B   74  1                                  15    
HELIX   15  15 SER B   88  LEU B   97  1                                  10    
HELIX   16  16 HIS B  112  TYR B  121  5                                  10    
HELIX   17  17 VAL B  139  ALA B  157  1                                  19    
HELIX   18  18 SER B  161  LYS B  163  5                                   3    
HELIX   19  19 ARG B  176  MET B  183  1                                   8    
HELIX   20  20 LEU B  186  THR B  192  1                                   7    
HELIX   21  21 ARG B  204  MET B  210  1                                   7    
HELIX   22  22 PRO B  216  MET B  232  5                                  17    
HELIX   23  23 VAL B  243  HIS B  264  1                                  22    
SHEET    1   A 7 ALA A 237  VAL A 240  0                                        
SHEET    2   A 7 LYS A   5  ASN A  11  1  N  LYS A   5   O  VAL A 238           
SHEET    3   A 7 ILE A  43  GLY A  47  1  N  ILE A  43   O  GLY A   8           
SHEET    4   A 7 LYS A  80  ASP A  84  1  N  LYS A  80   O  ILE A  44           
SHEET    5   A 7 ILE A 101  ASP A 104  1  N  ILE A 101   O  VAL A  83           
SHEET    6   A 7 GLU A 124  MET A 128  1  N  GLU A 124   O  ILE A 102           
SHEET    7   A 7 ILE A 164  ASP A 167  1  N  TRP A 165   O  ILE A 125           
SHEET    1   B 7 ALA B 237  VAL B 240  0                                        
SHEET    2   B 7 LYS B   5  ASN B  11  1  N  LYS B   5   O  VAL B 238           
SHEET    3   B 7 ILE B  43  GLY B  47  1  N  ILE B  43   O  GLY B   8           
SHEET    4   B 7 LYS B  80  ASP B  84  1  N  LYS B  80   O  ILE B  44           
SHEET    5   B 7 ILE B 101  ASP B 104  1  N  ILE B 101   O  VAL B  83           
SHEET    6   B 7 GLU B 124  MET B 128  1  N  GLU B 124   O  ILE B 102           
SHEET    7   B 7 ILE B 164  ASP B 167  1  N  TRP B 165   O  ILE B 125           
LINK         O   VAL A  75                 K     K A 268     1555   1555  2.83  
LINK         O   PHE A  77                 K     K A 268     1555   1555  2.71  
LINK         O   VAL A  79                 K     K A 268     1555   1555  2.68  
LINK         K     K A 268                 O   HOH A 517     1555   1555  2.89  
LINK         K     K A 268                 O   HOH A 589     1555   1555  3.07  
LINK         K     K A 268                 O   HOH A 594     1555   1555  3.18  
LINK         K     K B   1                 O   VAL B  75     1555   1555  2.81  
LINK         K     K B   1                 O   PHE B  77     1555   1555  2.71  
LINK         K     K B   1                 O   VAL B  79     1555   1555  2.58  
LINK         K     K B   1                 O   HOH B 291     1555   1555  2.73  
LINK         K     K B   1                 O   HOH B 424     1555   1555  3.44  
SITE     1 AC1  4 VAL B  75  PHE B  77  VAL B  79  HOH B 291                    
SITE     1 AC2  5 VAL A  75  PHE A  77  VAL A  79  HOH A 517                    
SITE     2 AC2  5 HOH A 589                                                     
SITE     1 AC3  1 LYS A  96                                                     
CRYST1   64.470   42.190  101.320  90.00 106.33  90.00 P 1 21 1      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      0.015511  0.000000  0.004545        0.00000                         
SCALE2      0.000000  0.023702  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010285        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
DBGET integrated database retrieval system