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Database: PDB
Entry: 5E2S
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HEADER    LYASE                                   01-OCT-15   5E2S              
TITLE     CRYSTAL STRUCTURE OF HUMAN CARBONIC ANHYDRASE II IN COMPLEX WITH THE  
TITLE    2 4-(2-ISO-PROPYLPHENYL)BENZENESULFONAMIDE INHIBITOR                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CARBONIC ANHYDRASE 2;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: CARBONATE DEHYDRATASE II,CARBONIC ANHYDRASE C,CAC,CARBONIC  
COMPND   5 ANHYDRASE II,CA-II;                                                  
COMPND   6 EC: 4.2.1.1;                                                         
COMPND   7 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;                            
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 511693                                      
KEYWDS    LYASE                                                                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.FERRARONI,C.T.SUPURAN                                               
REVDAT   3   10-JAN-24 5E2S    1       REMARK                                   
REVDAT   2   10-FEB-16 5E2S    1       JRNL                                     
REVDAT   1   20-JAN-16 5E2S    0                                                
JRNL        AUTH   B.CORNELIO,M.LARONZE-COCHARD,M.CERUSO,M.FERRARONI,G.A.RANCE, 
JRNL        AUTH 2 F.CARTA,A.N.KHLOBYSTOV,A.FONTANA,C.T.SUPURAN,J.SAPI          
JRNL        TITL   4-ARYLBENZENESULFONAMIDES AS HUMAN CARBONIC ANHYDRASE        
JRNL        TITL 2 INHIBITORS (HCAIS): SYNTHESIS BY PD NANOCATALYST-MEDIATED    
JRNL        TITL 3 SUZUKI-MIYAURA REACTION, ENZYME INHIBITION, AND X-RAY        
JRNL        TITL 4 CRYSTALLOGRAPHIC STUDIES.                                    
JRNL        REF    J.MED.CHEM.                   V.  59   721 2016              
JRNL        REFN                   ISSN 0022-2623                               
JRNL        PMID   26741028                                                     
JRNL        DOI    10.1021/ACS.JMEDCHEM.5B01771                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0073                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 93.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 34474                          
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 + TEST SET) : 0.172                           
REMARK   3   R VALUE            (WORKING SET) : 0.170                           
REMARK   3   FREE R VALUE                     : 0.196                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1773                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.50                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.54                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1733                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 63.86                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2980                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 80                           
REMARK   3   BIN FREE R VALUE                    : 0.3180                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2043                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 20                                      
REMARK   3   SOLVENT ATOMS            : 362                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 18.65                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 14.27                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.08000                                              
REMARK   3    B22 (A**2) : 0.01000                                              
REMARK   3    B33 (A**2) : 0.00000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.17000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.085         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.082         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.059         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.635         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.962                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.950                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2204 ; 0.008 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3015 ; 1.315 ; 1.957       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   282 ; 6.480 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   104 ;35.234 ;24.904       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   363 ;12.155 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     7 ;23.511 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   317 ; 0.090 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1717 ; 0.007 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1056 ; 0.809 ; 1.153       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1323 ; 1.392 ; 1.724       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1148 ; 1.116 ; 1.248       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: U VALUES : REFINED INDIVIDUALLY           
REMARK   4                                                                      
REMARK   4 5E2S COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 02-OCT-15.                  
REMARK 100 THE DEPOSITION ID IS D_1000214260.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-APR-15                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : BM30A                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.980                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 36248                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 32.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.5                               
REMARK 200  DATA REDUNDANCY                : 2.600                              
REMARK 200  R MERGE                    (I) : 0.06200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.4100                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.59                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 70.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.04                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.48500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.810                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: REFMAC                                                
REMARK 200 STARTING MODEL: 4FIK                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 41.18                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.09                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.5 M SODIUM CITRATE, TRIS 50 MM, PH     
REMARK 280  8.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 296K                
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       20.64800            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 0 ANGSTROM**2                             
REMARK 350 SURFACE AREA OF THE COMPLEX: 11590 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 0.0 KCAL/MOL                          
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 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     HIS A   4    CG   ND1  CD2  CE1  NE2                             
REMARK 470     LYS A   9    CG   CD   CE   NZ                                   
REMARK 470     LYS A  80    NZ                                                  
REMARK 470     LYS A 228    NZ                                                  
REMARK 470     LYS A 257    CE   NZ                                             
REMARK 470     LYS A 261    CD   CE   NZ                                        
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   NZ   LYS A   213     O    HOH A   404              2.15            
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    LYS A 111       -2.46     72.76                                   
REMARK 500    PHE A 176       70.36   -151.29                                   
REMARK 500    ASN A 244       50.70    -93.37                                   
REMARK 500    LYS A 252     -138.68     55.05                                   
REMARK 500    LYS A 252     -137.40     53.08                                   
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 761        DISTANCE =  6.30 ANGSTROMS                       
REMARK 525    HOH A 762        DISTANCE =  6.74 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 301  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 112.9  96.9                                        
REMARK 620 4 5CX A 302   N1  112.6 110.8 115.6                                  
REMARK 620 5 HOH A 424   O   113.3 106.1 118.7   5.0                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ZN A 301                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue 5CX A 302                 
DBREF  5E2S A    3   261  UNP    P00918   CAH2_HUMAN       3    260             
SEQRES   1 A  258  HIS HIS TRP GLY TYR GLY LYS HIS ASN GLY PRO GLU HIS          
SEQRES   2 A  258  TRP HIS LYS ASP PHE PRO ILE ALA LYS GLY GLU ARG GLN          
SEQRES   3 A  258  SER PRO VAL ASP ILE ASP THR HIS THR ALA LYS TYR ASP          
SEQRES   4 A  258  PRO SER LEU LYS PRO LEU SER VAL SER TYR ASP GLN ALA          
SEQRES   5 A  258  THR SER LEU ARG ILE LEU ASN ASN GLY HIS ALA PHE ASN          
SEQRES   6 A  258  VAL GLU PHE ASP ASP SER GLN ASP LYS ALA VAL LEU LYS          
SEQRES   7 A  258  GLY GLY PRO LEU ASP GLY THR TYR ARG LEU ILE GLN PHE          
SEQRES   8 A  258  HIS PHE HIS TRP GLY SER LEU ASP GLY GLN GLY SER GLU          
SEQRES   9 A  258  HIS THR VAL ASP LYS LYS LYS TYR ALA ALA GLU LEU HIS          
SEQRES  10 A  258  LEU VAL HIS TRP ASN THR LYS TYR GLY ASP PHE GLY LYS          
SEQRES  11 A  258  ALA VAL GLN GLN PRO ASP GLY LEU ALA VAL LEU GLY ILE          
SEQRES  12 A  258  PHE LEU LYS VAL GLY SER ALA LYS PRO GLY LEU GLN LYS          
SEQRES  13 A  258  VAL VAL ASP VAL LEU ASP SER ILE LYS THR LYS GLY LYS          
SEQRES  14 A  258  SER ALA ASP PHE THR ASN PHE ASP PRO ARG GLY LEU LEU          
SEQRES  15 A  258  PRO GLU SER LEU ASP TYR TRP THR TYR PRO GLY SER LEU          
SEQRES  16 A  258  THR THR PRO PRO LEU LEU GLU CYS VAL THR TRP ILE VAL          
SEQRES  17 A  258  LEU LYS GLU PRO ILE SER VAL SER SER GLU GLN VAL LEU          
SEQRES  18 A  258  LYS PHE ARG LYS LEU ASN PHE ASN GLY GLU GLY GLU PRO          
SEQRES  19 A  258  GLU GLU LEU MET VAL ASP ASN TRP ARG PRO ALA GLN PRO          
SEQRES  20 A  258  LEU LYS ASN ARG GLN ILE LYS ALA SER PHE LYS                  
HET     ZN  A 301       1                                                       
HET    5CX  A 302      19                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM     5CX 2'-(PROPAN-2-YL)BIPHENYL-4-SULFONAMIDE                           
FORMUL   2   ZN    ZN 2+                                                        
FORMUL   3  5CX    C15 H17 N O2 S                                               
FORMUL   4  HOH   *362(H2 O)                                                    
HELIX    1 AA1 GLY A   12  ASP A   19  5                                   8    
HELIX    2 AA2 PHE A   20  GLY A   25  5                                   6    
HELIX    3 AA3 LYS A  127  GLY A  129  5                                   3    
HELIX    4 AA4 ASP A  130  VAL A  135  1                                   6    
HELIX    5 AA5 LYS A  154  GLY A  156  5                                   3    
HELIX    6 AA6 LEU A  157  LEU A  164  1                                   8    
HELIX    7 AA7 ASP A  165  LYS A  168  5                                   4    
HELIX    8 AA8 ASP A  180  LEU A  185  5                                   6    
HELIX    9 AA9 SER A  219  ARG A  227  1                                   9    
SHEET    1 AA1 2 ASP A  32  ILE A  33  0                                        
SHEET    2 AA1 2 THR A 108  VAL A 109  1  O  THR A 108   N  ILE A  33           
SHEET    1 AA210 LYS A  39  TYR A  40  0                                        
SHEET    2 AA210 LYS A 257  ALA A 258  1  O  ALA A 258   N  LYS A  39           
SHEET    3 AA210 TYR A 191  GLY A 196 -1  N  THR A 193   O  LYS A 257           
SHEET    4 AA210 VAL A 207  LEU A 212 -1  O  VAL A 207   N  GLY A 196           
SHEET    5 AA210 LEU A 141  VAL A 150  1  N  GLY A 145   O  ILE A 210           
SHEET    6 AA210 ALA A 116  ASN A 124 -1  N  LEU A 118   O  ILE A 146           
SHEET    7 AA210 TYR A  88  TRP A  97 -1  N  HIS A  94   O  HIS A 119           
SHEET    8 AA210 PHE A  66  PHE A  70 -1  N  VAL A  68   O  PHE A  93           
SHEET    9 AA210 SER A  56  ASN A  61 -1  N  LEU A  57   O  GLU A  69           
SHEET   10 AA210 SER A 173  ASP A 175 -1  O  ALA A 174   N  ILE A  59           
SHEET    1 AA3 6 LEU A  47  SER A  50  0                                        
SHEET    2 AA3 6 VAL A  78  GLY A  81 -1  O  VAL A  78   N  SER A  50           
SHEET    3 AA3 6 TYR A  88  TRP A  97 -1  O  TYR A  88   N  LEU A  79           
SHEET    4 AA3 6 ALA A 116  ASN A 124 -1  O  HIS A 119   N  HIS A  94           
SHEET    5 AA3 6 LEU A 141  VAL A 150 -1  O  ILE A 146   N  LEU A 118           
SHEET    6 AA3 6 ILE A 216  VAL A 218  1  O  ILE A 216   N  PHE A 147           
LINK         NE2 HIS A  94                ZN    ZN A 301     1555   1555  2.01  
LINK         NE2 HIS A  96                ZN    ZN A 301     1555   1555  2.05  
LINK         ND1 HIS A 119                ZN    ZN A 301     1555   1555  2.06  
LINK        ZN    ZN A 301                 N1  5CX A 302     1555   1555  2.12  
LINK        ZN    ZN A 301                 O   HOH A 424     1555   1555  1.95  
CISPEP   1 SER A   29    PRO A   30          0        -1.19                     
CISPEP   2 PRO A  201    PRO A  202          0        12.54                     
SITE     1 AC1  5 HIS A  94  HIS A  96  HIS A 119  5CX A 302                    
SITE     2 AC1  5 HOH A 424                                                     
SITE     1 AC2 16 GLN A  92  HIS A  94  HIS A  96  HIS A 119                    
SITE     2 AC2 16 VAL A 121  PHE A 131  LEU A 198  THR A 199                    
SITE     3 AC2 16 THR A 200  TRP A 209   ZN A 301  HOH A 410                    
SITE     4 AC2 16 HOH A 424  HOH A 491  HOH A 664  HOH A 752                    
CRYST1   42.251   41.296   71.923  90.00 104.34  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      0.023668  0.000000  0.006049        0.00000                         
SCALE2      0.000000  0.024215  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014351        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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