PDB Short entry for 1OKM
HEADER    LYASE                                   25-JUN-96   1OKM              
TITLE     CARBONIC ANHYDRASE II COMPLEX WITH THE 1OKM INHIBITOR 4-              
TITLE    2 SULFONAMIDE-[1-(4-AMINOBUTANE)]BENZAMIDE                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CARBONIC ANHYDRASE II;                                     
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 4.2.1.1                                                          
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606                                                 
KEYWDS    LYASE (OXO-ACID), INHIBITOR                                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.ELBAUM,S.K.NAIR,M.W.PATCHAN,R.B.THOMPSON,D.W.CHRISTIANSON           
REVDAT   2   24-FEB-09 1OKM    1       VERSN                                    
REVDAT   1   11-JAN-97 1OKM    0                                                
JRNL        AUTH   D.ELBAUM,S.K.NAIR,M.W.PATCHAN,R.B.THOMPSON,                  
JRNL        AUTH 2 D.W.CHRISTIANSON                                             
JRNL        TITL   STRUCTURE-BASED DESIGN OF A SULFONAMIDE PROBE FOR            
JRNL        TITL 2 FLUORESCENCE ANISOTROPY DETECTION OF ZINC WITH A             
JRNL        TITL 3 CARBONIC ANHYDRASE-BASED BIOSENSOR.                          
JRNL        REF    J.AM.CHEM.SOC.                V. 118  8381 1996              
JRNL        REFN                   ISSN 0002-7863                               
REMARK   1                                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
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) : NULL                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
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             : 12239                          
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) : 0.162                           
REMARK   3   FREE R VALUE                     : 0.217                           
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            : NULL                                    
REMARK   3   NUCLEIC ACID ATOMS       : NULL                                    
REMARK   3   HETEROGEN ATOMS          : NULL                                    
REMARK   3   SOLVENT ATOMS            : 141                                     
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) : 0.005                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.40                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.60                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.10                            
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: NULL                                      
REMARK   4                                                                      
REMARK   4 1OKM COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 298                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU                             
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : CCP4                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 13684                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY                : 2.400                              
REMARK 200  R MERGE                    (I) : 0.02700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.0                               
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: X-PLOR 3.1                                            
REMARK 200 STARTING MODEL: NULL                                                 
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: 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       20.85000            
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 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 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     LYS A  261   C     O     OXT                                     
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    HIS A  94   CG    HIS A  94   CD2     0.063                       
REMARK 500    HIS A 119   CG    HIS A 119   CD2     0.061                       
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      175.56    177.33                                   
REMARK 500    LYS A 111       -8.38     79.49                                   
REMARK 500    PRO A 202        1.89    -68.77                                   
REMARK 500    ASN A 244       50.75    -90.62                                   
REMARK 500    LYS A 252     -137.40     56.09                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 435        DISTANCE =  5.48 ANGSTROMS                       
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 115.6                                              
REMARK 620 3 HIS A 119   ND1 111.0 106.6                                        
REMARK 620 4 SAB A 555   N3S  96.9 115.3 111.4                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              HG A 531  HG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 400   O                                                      
REMARK 620 2 CYS A 206   SG  171.5                                              
REMARK 620 3 GLU A 205   O    81.1  92.1                                        
REMARK 620 4 GLN A 137   O    94.3  90.4  87.7                                  
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 HG A 531                  
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 262                  
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SAB A 555                 
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999                                                                      
REMARK 999 RESIDUES 125 AND 127 ARE ADJACENT IN THE SEQUENCE.                   
DBREF  1OKM A    2   261  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     HG  A 531       1                                                       
HET     ZN  A 262       1                                                       
HET    SAB  A 555      18                                                       
HETNAM      HG MERCURY (II) ION                                                 
HETNAM      ZN ZINC ION                                                         
HETNAM     SAB 4-SULFONAMIDE-[1-(4-AMINOBUTANE)]BENZAMIDE                       
FORMUL   2   HG    HG 2+                                                        
FORMUL   3   ZN    ZN 2+                                                        
FORMUL   4  SAB    C11 H17 N3 O3 S                                              
FORMUL   5  HOH   *142(H2 O)                                                    
HELIX    1   1 PRO A   13  LYS A   18  1                                   6    
HELIX    2   2 PRO A   21  LYS A   24  5                                   4    
HELIX    3   3 THR A  125  TYR A  128  5                                   3    
HELIX    4   4 PHE A  131  GLN A  136  1                                   6    
HELIX    5   5 PRO A  155  ILE A  167  5                                  13    
HELIX    6   6 PRO A  181  LEU A  184  5                                   4    
HELIX    7   7 SER A  220  LYS A  228  1                                   9    
SHEET    1   A 2 LEU A  47  SER A  50  0                                        
SHEET    2   A 2 VAL A  78  GLY A  81 -1  N  LYS A  80   O  SER A  48           
SHEET    1   B 3 SER A 173  ASP A 175  0                                        
SHEET    2   B 3 SER A  56  ASN A  61 -1  N  ILE A  59   O  ALA A 174           
SHEET    3   B 3 PHE A  66  PHE A  70 -1  N  GLU A  69   O  LEU A  57           
SHEET    1   C 5 TYR A 191  GLY A 196  0                                        
SHEET    2   C 5 VAL A 207  LEU A 212 -1  N  VAL A 211   O  TRP A 192           
SHEET    3   C 5 LEU A 141  LEU A 148  1  N  LEU A 141   O  THR A 208           
SHEET    4   C 5 ALA A 116  ASN A 124 -1  N  HIS A 122   O  ALA A 142           
SHEET    5   C 5 TYR A  88  TRP A  97 -1  N  HIS A  96   O  GLU A 117           
SHEET    1   D 2 LEU A 148  VAL A 150  0                                        
SHEET    2   D 2 ILE A 216  VAL A 218  1  N  ILE A 216   O  LYS A 149           
LINK        ZN    ZN A 262                 NE2 HIS A  94     1555   1555  2.03  
LINK        ZN    ZN A 262                 NE2 HIS A  96     1555   1555  1.97  
LINK        ZN    ZN A 262                 ND1 HIS A 119     1555   1555  1.99  
LINK        ZN    ZN A 262                 N3S SAB A 555     1555   1555  2.14  
LINK        HG    HG A 531                 O   HOH A 400     1555   1555  2.21  
LINK        HG    HG A 531                 SG  CYS A 206     1555   1555  2.05  
LINK        HG    HG A 531                 O   GLU A 205     1555   1555  3.36  
LINK        HG    HG A 531                 O   GLN A 137     1555   1555  3.08  
CISPEP   1 SER A   29    PRO A   30          0        -0.37                     
CISPEP   2 PRO A  201    PRO A  202          0         0.39                     
SITE     1 AC1  4 GLN A 137  GLU A 205  CYS A 206  HOH A 400                    
SITE     1 AC2  4 HIS A  94  HIS A  96  HIS A 119  SAB A 555                    
SITE     1 AC3 14 HIS A  94  HIS A  96  HIS A 119  VAL A 121                    
SITE     2 AC3 14 PHE A 131  VAL A 143  LEU A 198  THR A 199                    
SITE     3 AC3 14 THR A 200  PRO A 202  TRP A 209   ZN A 262                    
SITE     4 AC3 14 HOH A 407  HOH A 420                                          
CRYST1   42.700   41.700   73.000  90.00 104.60  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      0.023419  0.000000  0.006100        0.00000                         
SCALE2      0.000000  0.023981  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014156        0.00000