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Database: PDB
Entry: 1TTM
LinkDB: 1TTM
Original site: 1TTM 
HEADER    LYASE                                   23-JUN-04   1TTM              
TITLE     HUMAN CARBONIC ANHYDRASE II COMPLEXED WITH 667-COUMATE                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CARBONIC ANHYDRASE II;                                     
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: CARBONATE DEHYDRATASE II, CA-II, CARBONIC ANHYDRASE C;      
COMPND   5 EC: 4.2.1.1;                                                         
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: CA2;                                                           
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PACA;                                     
SOURCE  11 OTHER_DETAILS: T7 PROMOTER, AMPICILLIN RESISTANT                     
KEYWDS    CANCER, HUMAN CARBONIC ANHYDRASE INHIBITORS, 667-COUMATE, OBESITY,    
KEYWDS   2 STEROID SULFATASE INHIBITOR, LYASE                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.D.LLOYD,R.L.PEDERICK,R.NATESH,L.W.L.WOO,A.PUROHIT,M.J.REED,         
AUTHOR   2 K.R.ACHARYA,B.V.L.POTTER                                             
REVDAT   4   23-AUG-23 1TTM    1       REMARK LINK                              
REVDAT   3   24-FEB-09 1TTM    1       VERSN                                    
REVDAT   2   19-APR-05 1TTM    1       JRNL                                     
REVDAT   1   05-OCT-04 1TTM    0                                                
JRNL        AUTH   M.D.LLOYD,R.L.PEDERICK,R.NATESH,L.W.L.WOO,A.PUROHIT,         
JRNL        AUTH 2 M.J.REED,K.R.ACHARYA,B.V.L.POTTER                            
JRNL        TITL   CRYSTAL STRUCTURE OF HUMAN CARBONIC ANHYDRASE II AT 1.95 A   
JRNL        TITL 2 RESOLUTION IN COMPLEX WITH 667-COUMATE, A NOVEL ANTI-CANCER  
JRNL        TITL 3 AGENT                                                        
JRNL        REF    BIOCHEM.J.                    V. 385   715 2005              
JRNL        REFN                   ISSN 0264-6021                               
JRNL        PMID   15453828                                                     
JRNL        DOI    10.1042/BJ20041037                                           
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.95 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.24                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 61524.140                      
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 83.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 14701                          
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) : 0.180                           
REMARK   3   FREE R VALUE                     : 0.210                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 727                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.008                           
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) : 1.95                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.07                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 79.40                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2161                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1800                       
REMARK   3   BIN FREE R VALUE                    : 0.2100                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.90                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 727                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.022                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2058                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 23                                      
REMARK   3   SOLVENT ATOMS            : 165                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 9.00                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 21.00                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.11000                                             
REMARK   3    B22 (A**2) : 2.49000                                              
REMARK   3    B33 (A**2) : -2.39000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.20                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.12                            
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) : 0.24                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.13                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.005                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.30                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.790                           
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) : 1.420 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.230 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.240 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.370 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.37                                                 
REMARK   3   BSOL        : 52.07                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : LIGAND8.PARAM                                  
REMARK   3  PARAMETER FILE  3  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  4  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : LIGAND8.TOP                                    
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1TTM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-JUL-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000022891.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 22-NOV-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 298                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SRS                                
REMARK 200  BEAMLINE                       : PX9.6                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.87                               
REMARK 200  MONOCHROMATOR                  : SI                                 
REMARK 200  OPTICS                         : VERTICALLY RH COATED SI MIRROR     
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 15254                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.950                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 86.3                               
REMARK 200  DATA REDUNDANCY                : 4.800                              
REMARK 200  R MERGE                    (I) : 0.10800                            
REMARK 200  R SYM                      (I) : 0.10600                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.95                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.02                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 86.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.10800                            
REMARK 200  R SYM FOR SHELL            (I) : 0.33700                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 11.45                              
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: 1UGG                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 37.90                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.00                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM TRIS-HCL, 1 MM ZNSO4, 2.45 M      
REMARK 280  AMMONIUM SULFATE; 30 MM 2-MERCAPTOETHANOL, 0.5 MM 667-COUMATE ,     
REMARK 280  PH 8.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K             
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       21.26250            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       37.68950            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       36.26100            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       37.68950            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       21.26250            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       36.26100            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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 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    ASN A  11       13.61   -147.34                                   
REMARK 500    ALA A  65     -169.27    175.44                                   
REMARK 500    ASP A  75       42.16    -77.34                                   
REMARK 500    LYS A  76     -106.21    -60.30                                   
REMARK 500    ASN A 244       49.00    -94.47                                   
REMARK 500    LYS A 252     -136.46     62.67                                   
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 263  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  36   ND1                                                    
REMARK 620 2 HIS A  64   NE2 116.2                                              
REMARK 620 3 HOH A 285   O    75.4  63.6                                        
REMARK 620 4 HOH A 429   O   114.5 115.4 167.1                                  
REMARK 620 N                    1     2     3                                   
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 106.5                                              
REMARK 620 3 HIS A 119   ND1 118.9 103.5                                        
REMARK 620 4 667 A 264   N1  122.9 105.2  97.7                                  
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 ZN A 263                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 667 A 264                 
DBREF  1TTM A    2   260  UNP    P00918   CAH2_HUMAN       1    259             
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     ZN  A 263       1                                                       
HET    667  A 264      21                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM     667 6-OXO-8,9,10,11-TETRAHYDRO-7H-                                   
HETNAM   2 667  CYCLOHEPTA[C][1]BENZOPYRAN-3-O-SULFAMATE                        
FORMUL   2   ZN    2(ZN 2+)                                                     
FORMUL   4  667    C14 H15 N O5 S                                               
FORMUL   5  HOH   *165(H2 O)                                                    
HELIX    1   1 HIS A   15  PHE A   20  1                                   6    
HELIX    2   2 PRO A   21  GLY A   25  5                                   5    
HELIX    3   3 LYS A  127  GLY A  129  5                                   3    
HELIX    4   4 ASP A  130  VAL A  135  1                                   6    
HELIX    5   5 LYS A  154  GLY A  156  5                                   3    
HELIX    6   6 LEU A  157  LEU A  164  1                                   8    
HELIX    7   7 ASP A  165  LYS A  168  5                                   4    
HELIX    8   8 ASP A  180  LEU A  185  5                                   6    
HELIX    9   9 SER A  219  ARG A  227  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 257  ALA A 258  1  O  ALA A 258   N  LYS A  39           
SHEET    3   B10 TYR A 191  GLY A 196 -1  N  THR A 193   O  LYS A 257           
SHEET    4   B10 VAL A 207  LEU A 212 -1  O  VAL A 207   N  GLY A 196           
SHEET    5   B10 LEU A 141  VAL A 150  1  N  GLY A 145   O  ILE A 210           
SHEET    6   B10 ALA A 116  ASN A 124 -1  N  LEU A 118   O  ILE A 146           
SHEET    7   B10 TYR A  88  TRP A  97 -1  N  ILE A  91   O  VAL A 121           
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 173  ASP A 175 -1  O  ALA A 174   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  LYS A  80   N  SER A  48           
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  VAL A 121   N  ILE A  91           
SHEET    5   C 6 LEU A 141  VAL A 150 -1  O  ILE A 146   N  LEU A 118           
SHEET    6   C 6 ILE A 216  VAL A 218  1  O  ILE A 216   N  PHE A 147           
LINK         ND1 HIS A  36                ZN    ZN A 263     1555   1555  2.34  
LINK         NE2 HIS A  64                ZN    ZN A 263     3645   1555  2.22  
LINK         NE2 HIS A  94                ZN    ZN A 262     1555   1555  2.14  
LINK         NE2 HIS A  96                ZN    ZN A 262     1555   1555  2.18  
LINK         ND1 HIS A 119                ZN    ZN A 262     1555   1555  2.12  
LINK        ZN    ZN A 262                 N1  667 A 264     1555   1555  2.14  
LINK        ZN    ZN A 263                 O   HOH A 285     1555   1555  2.44  
LINK        ZN    ZN A 263                 O   HOH A 429     1555   1555  2.14  
CISPEP   1 SER A   29    PRO A   30          0         0.09                     
CISPEP   2 PRO A  201    PRO A  202          0        -0.12                     
SITE     1 AC1  4 HIS A  94  HIS A  96  HIS A 119  667 A 264                    
SITE     1 AC2  5 HIS A   4  HIS A  36  HIS A  64  HOH A 285                    
SITE     2 AC2  5 HOH A 429                                                     
SITE     1 AC3 12 GLN A  92  HIS A  94  HIS A  96  GLU A 106                    
SITE     2 AC3 12 HIS A 119  VAL A 121  PHE A 131  LEU A 198                    
SITE     3 AC3 12 THR A 199  THR A 200  PRO A 202   ZN A 262                    
CRYST1   42.525   72.522   75.379  90.00  90.00  90.00 P 21 21 21    4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.023516  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013789  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013266        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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