PDB Short entry for 3S72
HEADER    LYASE                                   26-MAY-11   3S72              
TITLE     THE ORIGIN OF THE HYDROPHOBIC EFFECT IN THE MOLECULAR RECOGNITION OF  
TITLE    2 ARYLSULFONAMIDES BY CARBONIC ANHYDRASE                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CARBONIC ANHYDRASE 2;                                      
COMPND   3 CHAIN: B;                                                            
COMPND   4 SYNONYM: CARBONATE DEHYDRATASE II, CARBONIC ANHYDRASE C, CAC,        
COMPND   5 CARBONIC 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;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID                               
KEYWDS    ALPHA BETA, LYASE                                                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    P.W.SNYDER,A.HEROUX,G.W.WHITESIDES                                    
REVDAT   3   28-FEB-24 3S72    1       REMARK LINK                              
REVDAT   2   21-DEC-11 3S72    1       JRNL                                     
REVDAT   1   19-OCT-11 3S72    0                                                
JRNL        AUTH   P.W.SNYDER,J.MECINOVIC,D.T.MOUSTAKAS,S.W.THOMAS,M.HARDER,    
JRNL        AUTH 2 E.T.MACK,M.R.LOCKETT,A.HEROUX,W.SHERMAN,G.M.WHITESIDES       
JRNL        TITL   MECHANISM OF THE HYDROPHOBIC EFFECT IN THE BIOMOLECULAR      
JRNL        TITL 2 RECOGNITION OF ARYLSULFONAMIDES BY CARBONIC ANHYDRASE.       
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V. 108 17889 2011              
JRNL        REFN                   ISSN 0027-8424                               
JRNL        PMID   22011572                                                     
JRNL        DOI    10.1073/PNAS.1114107108                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
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) : 1.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 23.81                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 92.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 29886                          
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) : 0.161                           
REMARK   3   R VALUE            (WORKING SET) : 0.159                           
REMARK   3   FREE R VALUE                     : 0.199                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.200                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1548                            
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) : 1.60                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.64                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1671                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 75.37                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3130                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 110                          
REMARK   3   BIN FREE R VALUE                    : 0.3540                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2039                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 18                                      
REMARK   3   SOLVENT ATOMS            : 264                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 14.38                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : 0.00000                                              
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.096         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.051         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.419         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.966                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.949                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2150 ; 0.027 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2928 ; 2.245 ; 1.958       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   267 ; 6.694 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    98 ;34.710 ;24.694       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   357 ;13.336 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     7 ;24.686 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   309 ; 0.176 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1653 ; 0.014 ; 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):  1298 ; 1.446 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2101 ; 2.329 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   852 ; 3.326 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   821 ; 5.138 ; 4.500       
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   : 1.40                                          
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 3S72 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-JUN-11.                  
REMARK 100 THE DEPOSITION ID IS D_1000065842.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X25                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.100                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 29906                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.600                              
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     (%) : 92.8                               
REMARK 200  DATA REDUNDANCY                : 6.700                              
REMARK 200  R MERGE                    (I) : 0.05800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 16.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.63                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 70.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.39100                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER 2.1.4                                          
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 41.67                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.11                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM TRIS-CL, 1.15 M SODIUM CITRATE,   
REMARK 280  PH 7.8, VAPOR DIFFUSION, TEMPERATURE 277K, VAPOR DIFFUSION          
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       20.72450            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: BIOLOGICAL UNIT IS THE SAME AS ASYM.                         
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     HIS B     3                                                      
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 B   4    CG   ND1  CD2  CE1  NE2                             
REMARK 470     LYS B 261    CG   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   CD2  LEU B   224     O    HOH B   515              2.08            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH B   447     O    HOH B   492     2555     2.01            
REMARK 500   O    HOH B   280     O    HOH B   519     1545     2.02            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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    ARG B  27   CZ    ARG B  27   NH1     0.093                       
REMARK 500    VAL B 161   CB    VAL B 161   CG2    -0.177                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    LEU B  47   CA  -  CB  -  CG  ANGL. DEV. =  15.2 DEGREES          
REMARK 500    ARG B  89   NE  -  CZ  -  NH1 ANGL. DEV. =   4.9 DEGREES          
REMARK 500    ARG B  89   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.9 DEGREES          
REMARK 500    LEU B 141   CB  -  CG  -  CD2 ANGL. DEV. =  14.2 DEGREES          
REMARK 500    PHE B 226   CB  -  CG  -  CD2 ANGL. DEV. =  -5.2 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASN B  11       13.13   -140.37                                   
REMARK 500    ARG B  27       54.31   -143.13                                   
REMARK 500    LYS B 111       -0.47     72.03                                   
REMARK 500    ASN B 244       51.72    -95.75                                   
REMARK 500    LYS B 252     -136.07     54.03                                   
REMARK 500    ASN B 253       57.28    -93.42                                   
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 B 262  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 EVE B   1   N                                                      
REMARK 620 2 HIS B  94   NE2 109.0                                              
REMARK 620 3 HIS B  96   NE2 113.7 105.4                                        
REMARK 620 4 HIS B 119   ND1 114.8 113.5  99.8                                  
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 B 262                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EVE B 1                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DMS B 263                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3S71   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3S73   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3S74   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3S75   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3S76   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3S77   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3S78   RELATED DB: PDB                                   
DBREF  3S72 B    3   261  UNP    P00918   CAH2_HUMAN       3    260             
SEQRES   1 B  258  HIS HIS TRP GLY TYR GLY LYS HIS ASN GLY PRO GLU HIS          
SEQRES   2 B  258  TRP HIS LYS ASP PHE PRO ILE ALA LYS GLY GLU ARG GLN          
SEQRES   3 B  258  SER PRO VAL ASP ILE ASP THR HIS THR ALA LYS TYR ASP          
SEQRES   4 B  258  PRO SER LEU LYS PRO LEU SER VAL SER TYR ASP GLN ALA          
SEQRES   5 B  258  THR SER LEU ARG ILE LEU ASN ASN GLY HIS ALA PHE ASN          
SEQRES   6 B  258  VAL GLU PHE ASP ASP SER GLN ASP LYS ALA VAL LEU LYS          
SEQRES   7 B  258  GLY GLY PRO LEU ASP GLY THR TYR ARG LEU ILE GLN PHE          
SEQRES   8 B  258  HIS PHE HIS TRP GLY SER LEU ASP GLY GLN GLY SER GLU          
SEQRES   9 B  258  HIS THR VAL ASP LYS LYS LYS TYR ALA ALA GLU LEU HIS          
SEQRES  10 B  258  LEU VAL HIS TRP ASN THR LYS TYR GLY ASP PHE GLY LYS          
SEQRES  11 B  258  ALA VAL GLN GLN PRO ASP GLY LEU ALA VAL LEU GLY ILE          
SEQRES  12 B  258  PHE LEU LYS VAL GLY SER ALA LYS PRO GLY LEU GLN LYS          
SEQRES  13 B  258  VAL VAL ASP VAL LEU ASP SER ILE LYS THR LYS GLY LYS          
SEQRES  14 B  258  SER ALA ASP PHE THR ASN PHE ASP PRO ARG GLY LEU LEU          
SEQRES  15 B  258  PRO GLU SER LEU ASP TYR TRP THR TYR PRO GLY SER LEU          
SEQRES  16 B  258  THR THR PRO PRO LEU LEU GLU CYS VAL THR TRP ILE VAL          
SEQRES  17 B  258  LEU LYS GLU PRO ILE SER VAL SER SER GLU GLN VAL LEU          
SEQRES  18 B  258  LYS PHE ARG LYS LEU ASN PHE ASN GLY GLU GLY GLU PRO          
SEQRES  19 B  258  GLU GLU LEU MET VAL ASP ASN TRP ARG PRO ALA GLN PRO          
SEQRES  20 B  258  LEU LYS ASN ARG GLN ILE LYS ALA SER PHE LYS                  
HET     ZN  B 262       1                                                       
HET    EVE  B   1      13                                                       
HET    DMS  B 263       4                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM     EVE 1H-BENZIMIDAZOLE-2-SULFONAMIDE                                   
HETNAM     DMS DIMETHYL SULFOXIDE                                               
FORMUL   2   ZN    ZN 2+                                                        
FORMUL   3  EVE    C7 H7 N3 O2 S                                                
FORMUL   4  DMS    C2 H6 O S                                                    
FORMUL   5  HOH   *264(H2 O)                                                    
HELIX    1   1 PHE B   20  GLY B   25  5                                   6    
HELIX    2   2 LYS B  127  GLY B  129  5                                   3    
HELIX    3   3 ASP B  130  VAL B  135  1                                   6    
HELIX    4   4 LYS B  154  GLY B  156  5                                   3    
HELIX    5   5 LEU B  157  LEU B  164  1                                   8    
HELIX    6   6 ASP B  165  LYS B  168  5                                   4    
HELIX    7   7 ASP B  180  LEU B  185  5                                   6    
HELIX    8   8 SER B  220  ARG B  227  1                                   8    
SHEET    1   A 2 ASP B  32  ILE B  33  0                                        
SHEET    2   A 2 THR B 108  VAL B 109  1  O  THR B 108   N  ILE B  33           
SHEET    1   B10 LYS B  39  TYR B  40  0                                        
SHEET    2   B10 LYS B 257  ALA B 258  1  O  ALA B 258   N  LYS B  39           
SHEET    3   B10 TYR B 191  GLY B 196 -1  N  THR B 193   O  LYS B 257           
SHEET    4   B10 VAL B 207  LEU B 212 -1  O  VAL B 207   N  GLY B 196           
SHEET    5   B10 LEU B 141  GLY B 151  1  N  GLY B 145   O  ILE B 210           
SHEET    6   B10 ALA B 116  ASN B 124 -1  N  LEU B 118   O  ILE B 146           
SHEET    7   B10 TYR B  88  TRP B  97 -1  N  HIS B  94   O  HIS B 119           
SHEET    8   B10 PHE B  66  PHE B  70 -1  N  VAL B  68   O  PHE B  93           
SHEET    9   B10 SER B  56  ASN B  61 -1  N  ARG B  58   O  GLU B  69           
SHEET   10   B10 SER B 173  ASP B 175 -1  O  ALA B 174   N  ILE B  59           
SHEET    1   C 6 LEU B  47  SER B  50  0                                        
SHEET    2   C 6 VAL B  78  GLY B  81 -1  O  LYS B  80   N  SER B  48           
SHEET    3   C 6 TYR B  88  TRP B  97 -1  O  TYR B  88   N  LEU B  79           
SHEET    4   C 6 ALA B 116  ASN B 124 -1  O  HIS B 119   N  HIS B  94           
SHEET    5   C 6 LEU B 141  GLY B 151 -1  O  ILE B 146   N  LEU B 118           
SHEET    6   C 6 ILE B 216  SER B 219  1  O  VAL B 218   N  GLY B 151           
LINK         N   EVE B   1                ZN    ZN B 262     1555   1555  1.99  
LINK         NE2 HIS B  94                ZN    ZN B 262     1555   1555  2.00  
LINK         NE2 HIS B  96                ZN    ZN B 262     1555   1555  2.01  
LINK         ND1 HIS B 119                ZN    ZN B 262     1555   1555  2.06  
CISPEP   1 SER B   29    PRO B   30          0        -0.88                     
CISPEP   2 PRO B  201    PRO B  202          0        16.17                     
SITE     1 AC1  4 EVE B   1  HIS B  94  HIS B  96  HIS B 119                    
SITE     1 AC2 11 GLN B  92  HIS B  94  HIS B  96  HIS B 119                    
SITE     2 AC2 11 VAL B 121  LEU B 198  THR B 199  THR B 200                    
SITE     3 AC2 11 TRP B 209   ZN B 262  HOH B 265                               
SITE     1 AC3  3 TYR B   7  ASP B 243  TRP B 245                               
CRYST1   42.130   41.449   72.524  90.00 104.53  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      0.023736  0.000000  0.006152        0.00000                         
SCALE2      0.000000  0.024126  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014244        0.00000