PDB Short entry for 2OSF
HEADER    LYASE                                   05-FEB-07   2OSF              
TITLE     INHIBITION OF CARBONIC ANHYDRASE II BY THIOXOLONE: A MECHANISTIC AND  
TITLE    2 STRUCTURAL STUDY                                                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CARBONIC ANHYDRASE 2;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: CARBONIC ANHYDRASE II;                                     
COMPND   5 SYNONYM: CARBONIC ANHYDRASE II, CARBONATE DEHYDRATASE II, CA-II,     
COMPND   6 CARBONIC ANHYDRASE C;                                                
COMPND   7 EC: 4.2.1.1                                                          
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN                                               
KEYWDS    CARBONIC ANHYDRASE II, THIOXOLONE, THERAPEUTIC CA INHIBITORS,         
KEYWDS   2 ACETYLATION, CYTOPLASM, DISEASE MUTATION, LYASE, METAL-BINDING,      
KEYWDS   3 POLYMORPHISM, ZINC                                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.B.ALBERT,G.CAROLI,L.GOVINDASAMY,M.AGBANDJE-MCKENNA,R.MCKENNA,       
AUTHOR   2 B.C.TRIPP                                                            
REVDAT   3   30-AUG-23 2OSF    1       REMARK                                   
REVDAT   2   24-FEB-09 2OSF    1       VERSN                                    
REVDAT   1   27-MAY-08 2OSF    0                                                
JRNL        AUTH   A.A.BARRESE,C.GENIS,S.Z.FISHER,J.N.ORWENYO,M.T.KUMARA,       
JRNL        AUTH 2 S.K.DUTTA,E.PHILLIPS,J.J.KIDDLE,C.TU,D.N.SILVERMAN,          
JRNL        AUTH 3 L.GOVINDASAMY,M.AGBANDJE-MCKENNA,R.MCKENNA,B.C.TRIPP         
JRNL        TITL   INHIBITION OF CARBONIC ANHYDRASE II BY THIOXOLONE: A         
JRNL        TITL 2 MECHANISTIC AND STRUCTURAL STUDY.                            
JRNL        REF    BIOCHEMISTRY                  V.  47  3174 2008              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   18266323                                                     
JRNL        DOI    10.1021/BI702385K                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
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  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 92.5                           
REMARK   3   CROSS-VALIDATION METHOD           : THROUGHT                       
REMARK   3   FREE R VALUE TEST SET SELECTION   : RANDOM                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.211                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : NULL                   
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : NULL                   
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : NULL                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 2048                                          
REMARK   3   NUCLEIC ACID ATOMS : 0                                             
REMARK   3   HETEROGEN ATOMS    : 22                                            
REMARK   3   SOLVENT ATOMS      : 107                                           
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : NULL                    
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : NULL                    
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL                    
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : NULL                    
REMARK   3   NUMBER OF RESTRAINTS                     : NULL                    
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : NULL                    
REMARK   3   ANGLE DISTANCES                      (A) : 0.005                   
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL                    
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : NULL                    
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : NULL                    
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : NULL                    
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : NULL                    
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : NULL                    
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : NULL                    
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : NULL                    
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: NULL                                                  
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER                        
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2OSF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-DEC-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000041528.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : 7.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : 2                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU                             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : OSMIC MIRRORS                      
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 30612                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 92.5                               
REMARK 200  DATA REDUNDANCY                : 2.900                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.06800                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.66                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 78.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.43700                            
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: CNS                                                   
REMARK 200 STARTING MODEL: 1TBT                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.94                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.16                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: TRIS-HCL, AMMONIUM SULFATE, PH 7.8,      
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K. TRIS-HCL,          
REMARK 280  SODIUM CITRATE, PH 7.8, VAPOR DIFFUSION, HANGING DROP,              
REMARK 280  TEMPERATURE 277K                                                    
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       20.85250            
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 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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 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     SER A     2                                                      
REMARK 465     HIS A     3                                                      
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    THR A 125   C     LYS A 126   N      -0.142                       
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    ARG A  27   NE  -  CZ  -  NH1 ANGL. DEV. =   3.6 DEGREES          
REMARK 500    ARG A  58   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.0 DEGREES          
REMARK 500    ARG A 245   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.6 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    ALA A  65     -175.46   -174.98                                   
REMARK 500    ASN A 243       50.37    -92.36                                   
REMARK 500    LYS A 251     -150.14     49.97                                   
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                              ZN A 262  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  94   NE2                                                    
REMARK 620 2 HIS A  96   NE2 106.1                                              
REMARK 620 3 HIS A 119   ND1 111.9  97.0                                        
REMARK 620 4 TH0 A 263   S1  109.7 121.9 109.7                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 262                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TH0 A 263                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE S24 A 264                 
DBREF  2OSF A    2   260  UNP    P00918   CAH2_HUMAN       2    260             
SEQRES   1 A  259  SER HIS HIS TRP GLY TYR GLY LYS HIS ASN GLY PRO GLU          
SEQRES   2 A  259  HIS TRP HIS LYS ASP PHE PRO ILE ALA LYS GLY GLU ARG          
SEQRES   3 A  259  GLN SER PRO VAL ASP ILE ASP THR HIS THR ALA LYS TYR          
SEQRES   4 A  259  ASP PRO SER LEU LYS PRO LEU SER VAL SER TYR ASP GLN          
SEQRES   5 A  259  ALA THR SER LEU ARG ILE LEU ASN ASN GLY HIS ALA PHE          
SEQRES   6 A  259  ASN VAL GLU PHE ASP ASP SER GLN ASP LYS ALA VAL LEU          
SEQRES   7 A  259  LYS GLY GLY PRO LEU ASP GLY THR TYR ARG LEU ILE GLN          
SEQRES   8 A  259  PHE HIS PHE HIS TRP GLY SER LEU ASP GLY GLN GLY SER          
SEQRES   9 A  259  GLU HIS THR VAL ASP LYS LYS LYS TYR ALA ALA GLU LEU          
SEQRES  10 A  259  HIS LEU VAL HIS TRP ASN THR LYS TYR GLY ASP PHE GLY          
SEQRES  11 A  259  LYS ALA VAL GLN GLN PRO ASP GLY LEU ALA VAL LEU GLY          
SEQRES  12 A  259  ILE PHE LEU LYS VAL GLY SER ALA LYS PRO GLY LEU GLN          
SEQRES  13 A  259  LYS VAL VAL ASP VAL LEU ASP SER ILE LYS THR LYS GLY          
SEQRES  14 A  259  LYS SER ALA ASP PHE THR ASN PHE ASP PRO ARG GLY LEU          
SEQRES  15 A  259  LEU PRO GLU SER LEU ASP TYR TRP THR TYR PRO GLY SER          
SEQRES  16 A  259  LEU THR THR PRO PRO LEU LEU GLU CYS VAL THR TRP ILE          
SEQRES  17 A  259  VAL LEU LYS GLU PRO ILE SER VAL SER SER GLU GLN VAL          
SEQRES  18 A  259  LEU LYS PHE ARG LYS LEU ASN PHE ASN GLY GLU GLY GLU          
SEQRES  19 A  259  PRO GLU GLU LEU MET VAL ASP ASN TRP ARG PRO ALA GLN          
SEQRES  20 A  259  PRO LEU LYS ASN ARG GLN ILE LYS ALA SER PHE LYS              
HET     ZN  A 262       1                                                       
HET    TH0  A 263       9                                                       
HET    S24  A 264      12                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM     TH0 4-MERCAPTOBENZENE-1,3-DIOL                                       
HETNAM     S24 S-(2,4-DIHYDROXYPHENYL) HYDROGEN THIOCARBONATE                   
FORMUL   2   ZN    ZN 2+                                                        
FORMUL   3  TH0    C6 H6 O2 S                                                   
FORMUL   4  S24    C7 H6 O4 S                                                   
FORMUL   5  HOH   *107(H2 O)                                                    
HELIX    1   1 GLY A   12  ASP A   19  5                                   8    
HELIX    2   2 PHE A   20  GLY A   25  5                                   6    
HELIX    3   3 LYS A  126  GLY A  128  5                                   3    
HELIX    4   4 ASP A  129  VAL A  134  1                                   6    
HELIX    5   5 LYS A  153  GLY A  155  5                                   3    
HELIX    6   6 LEU A  156  LEU A  163  1                                   8    
HELIX    7   7 ASP A  164  LYS A  167  5                                   4    
HELIX    8   8 ASP A  179  LEU A  184  5                                   6    
HELIX    9   9 SER A  218  ARG A  226  1                                   9    
SHEET    1   A 2 ASP A  32  ILE A  33  0                                        
SHEET    2   A 2 THR A 108  VAL A 109  1  O  THR A 108   N  ILE A  33           
SHEET    1   B10 LYS A  39  TYR A  40  0                                        
SHEET    2   B10 LYS A 256  ALA A 257  1  O  ALA A 257   N  LYS A  39           
SHEET    3   B10 TYR A 190  GLY A 195 -1  N  THR A 192   O  LYS A 256           
SHEET    4   B10 VAL A 206  LEU A 211 -1  O  VAL A 206   N  GLY A 195           
SHEET    5   B10 LEU A 140  VAL A 149  1  N  GLY A 144   O  ILE A 209           
SHEET    6   B10 ALA A 116  ASN A 124 -1  N  LEU A 118   O  ILE A 145           
SHEET    7   B10 TYR A  88  TRP A  97 -1  N  HIS A  94   O  HIS A 119           
SHEET    8   B10 PHE A  66  PHE A  70 -1  N  PHE A  70   O  ILE A  91           
SHEET    9   B10 SER A  56  ASN A  61 -1  N  LEU A  57   O  GLU A  69           
SHEET   10   B10 SER A 172  ASP A 174 -1  O  ALA A 173   N  ILE A  59           
SHEET    1   C 6 LEU A  47  SER A  50  0                                        
SHEET    2   C 6 VAL A  78  GLY A  81 -1  O  VAL A  78   N  SER A  50           
SHEET    3   C 6 TYR A  88  TRP A  97 -1  O  TYR A  88   N  LEU A  79           
SHEET    4   C 6 ALA A 116  ASN A 124 -1  O  HIS A 119   N  HIS A  94           
SHEET    5   C 6 LEU A 140  VAL A 149 -1  O  ILE A 145   N  LEU A 118           
SHEET    6   C 6 ILE A 215  VAL A 217  1  O  ILE A 215   N  PHE A 146           
LINK         NE2 HIS A  94                ZN    ZN A 262     1555   1555  2.11  
LINK         NE2 HIS A  96                ZN    ZN A 262     1555   1555  2.00  
LINK         ND1 HIS A 119                ZN    ZN A 262     1555   1555  2.09  
LINK        ZN    ZN A 262                 S1  TH0 A 263     1555   1555  2.18  
CISPEP   1 SER A   29    PRO A   30          0         0.83                     
CISPEP   2 PRO A  200    PRO A  201          0         8.46                     
SITE     1 AC1  3 HIS A  94  HIS A  96  HIS A 119                               
SITE     1 AC2  6 HIS A  94  HIS A  96  HIS A 119  LEU A 197                    
SITE     2 AC2  6 THR A 198  THR A 199                                          
SITE     1 AC3  7 GLU A  69  PHE A  70  ASP A  72  ILE A  91                    
SITE     2 AC3  7 GLN A  92  HOH A8104  HOH A8105                               
CRYST1   42.751   41.705   72.877  90.00 104.65  90.00 P 1 21 1      2          
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      0.023391  0.000000  0.006115        0.00000                         
SCALE2      0.000000  0.023978  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014183        0.00000