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Database: PDB
Entry: 3M40
LinkDB: 3M40
Original site: 3M40 
HEADER    LYASE/LYASE INHIBITOR                   10-MAR-10   3M40              
TITLE     CRYSTAL STRUCTURE OF HUMAN CARBONIC ANHYDRASE ISOZYME II WITH 4-[N-(6-
TITLE    2 CHLORO-5-NITROPYRIMIDIN-4-YL)AMINO]BENZENESULFONAMIDE                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CARBONIC ANHYDRASE 2;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: CARBONIC ANHYDRASE II, CA-II, CARBONATE DEHYDRATASE II,     
COMPND   5 CARBONIC ANHYDRASE C, CAC;                                           
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 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET15B                                    
KEYWDS    DRUG DESIGN, CARBONIC ANHYDRASE, SULFONAMIDE, METAL-BINDING, LYASE-   
KEYWDS   2 LYASE INHIBITOR COMPLEX                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.GRAZULIS,E.MANAKOVA,D.GOLOVENKO                                     
REVDAT   5   01-NOV-23 3M40    1       REMARK                                   
REVDAT   4   04-OCT-17 3M40    1       REMARK                                   
REVDAT   3   17-NOV-10 3M40    1       HEADER KEYWDS                            
REVDAT   2   27-OCT-10 3M40    1       JRNL                                     
REVDAT   1   20-OCT-10 3M40    0                                                
JRNL        AUTH   J.SUDZIUS,L.BARANAUSKIENE,D.GOLOVENKO,J.MATULIENE,           
JRNL        AUTH 2 V.MICHAILOVIENE,J.TORRESAN,J.JACHNO,R.SUKACKAITE,E.MANAKOVA, 
JRNL        AUTH 3 S.GRAZULIS,S.TUMKEVICIUS,D.MATULIS                           
JRNL        TITL   4-[N-(SUBSTITUTED 4-PYRIMIDINYL)AMINO]BENZENESULFONAMIDES AS 
JRNL        TITL 2 INHIBITORS OF CARBONIC ANHYDRASE ISOZYMES I, II, VII, AND    
JRNL        TITL 3 XIII                                                         
JRNL        REF    BIOORG.MED.CHEM.              V.  18  7413 2010              
JRNL        REFN                   ISSN 0968-0896                               
JRNL        PMID   20889345                                                     
JRNL        DOI    10.1016/J.BMC.2010.09.011                                    
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) : 14.38                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 94.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 30126                          
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) : 0.154                           
REMARK   3   FREE R VALUE                     : 0.224                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.100                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 3047                            
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) : 1738                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 83.43                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1470                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 206                          
REMARK   3   BIN FREE R VALUE                    : 0.2920                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2059                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 26                                      
REMARK   3   SOLVENT ATOMS            : 229                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 12.75                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 13.99                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.07000                                             
REMARK   3    B22 (A**2) : -0.48000                                             
REMARK   3    B33 (A**2) : 0.46000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.18000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.173         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.113         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.057         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.471         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.947                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.903                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2248 ; 0.026 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3069 ; 1.947 ; 1.958       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   279 ; 6.745 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   106 ;32.695 ;25.000       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   369 ;13.955 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     7 ;21.894 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   316 ; 0.148 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1775 ; 0.012 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1092 ; 0.231 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1502 ; 0.312 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   191 ; 0.148 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     3 ; 0.041 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    71 ; 0.221 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    35 ; 0.163 ; 0.200       
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):  1402 ; 2.366 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2203 ; 3.265 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1014 ; 4.919 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   866 ; 6.057 ; 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):  2416 ; 3.027 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):   230 ;14.807 ; 3.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  2176 ; 8.866 ; 3.000       
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: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 3M40 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 29-MAR-10.                  
REMARK 100 THE DEPOSITION ID IS D_1000058079.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 07-DEC-08                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8                                  
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : X11                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.8150                             
REMARK 200  MONOCHROMATOR                  : SI (111), HORIZONTALLY FOCUSSING   
REMARK 200  OPTICS                         : BENT, VERTICALLY FOCUSSING         
REMARK 200                                   MIRROR                             
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MAR555 FLAT PANEL                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA 3.2.19                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 30141                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 16.295                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.4                               
REMARK 200  DATA REDUNDANCY                : 5.900                              
REMARK 200  R MERGE                    (I) : 0.16100                            
REMARK 200  R SYM                      (I) : 0.16100                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.2000                            
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) : 1.69                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 90.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.20200                            
REMARK 200  R SYM FOR SHELL            (I) : 0.20200                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 6.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: PDB ENTRY 2NNO                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 40.86                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.08                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M NA-BICINE PH 9.0, 2M NA-MALONATE    
REMARK 280  PH7.55, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K, PH 8       
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       20.58250            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     SER A     2                                                      
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   O    HOH A   472     O    HOH A   496              2.13            
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    GLU A  14   CD    GLU A  14   OE2     0.074                       
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 A  47   CA  -  CB  -  CG  ANGL. DEV. =  14.6 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    LYS A  76      -90.26   -115.30                                   
REMARK 500    LYS A  76      -90.26    -85.67                                   
REMARK 500    LYS A 111       -4.23     77.71                                   
REMARK 500    PHE A 176       75.61   -155.76                                   
REMARK 500    PHE A 176       75.61   -151.19                                   
REMARK 500    ASN A 244       49.41    -95.15                                   
REMARK 500    LYS A 252     -136.21     54.94                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 600                                                                      
REMARK 600 HETEROGEN                                                            
REMARK 600                                                                      
REMARK 600 METAL ION NATURALLY OCCURS IN CARBONIC ANHYDRASES.                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 262                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE J45 A 263                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DMS A 264                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3M2N   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN WITH OTHER LIGAND                                   
REMARK 900 RELATED ID: 3M3X   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN WITH OTHER LIGAND                                   
REMARK 900 RELATED ID: 3M5E   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN WITH OTHER LIGAND                                   
REMARK 900 RELATED ID: 3MHI   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN WITH OTHER LIGAND                                   
REMARK 900 RELATED ID: 3MHL   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN WITH OTHER LIGAND                                   
REMARK 900 RELATED ID: 3MHM   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN WITH OTHER LIGAND                                   
REMARK 900 RELATED ID: 3MHO   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN WITH OTHER LIGAND                                   
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 126 IS SKIPPED IN THE NUMBERING.                                     
DBREF  3M40 A    1   261  UNP    P00918   CAH2_HUMAN       1    260             
SEQRES   1 A  260  MET SER HIS HIS TRP GLY TYR GLY LYS HIS ASN GLY PRO          
SEQRES   2 A  260  GLU HIS TRP HIS LYS ASP PHE PRO ILE ALA LYS GLY GLU          
SEQRES   3 A  260  ARG GLN SER PRO VAL ASP ILE ASP THR HIS THR ALA LYS          
SEQRES   4 A  260  TYR ASP PRO SER LEU LYS PRO LEU SER VAL SER TYR ASP          
SEQRES   5 A  260  GLN ALA THR SER LEU ARG ILE LEU ASN ASN GLY HIS ALA          
SEQRES   6 A  260  PHE ASN VAL GLU PHE ASP ASP SER GLN ASP LYS ALA VAL          
SEQRES   7 A  260  LEU LYS GLY GLY PRO LEU ASP GLY THR TYR ARG LEU ILE          
SEQRES   8 A  260  GLN PHE HIS PHE HIS TRP GLY SER LEU ASP GLY GLN GLY          
SEQRES   9 A  260  SER GLU HIS THR VAL ASP LYS LYS LYS TYR ALA ALA GLU          
SEQRES  10 A  260  LEU HIS LEU VAL HIS TRP ASN THR LYS TYR GLY ASP PHE          
SEQRES  11 A  260  GLY LYS ALA VAL GLN GLN PRO ASP GLY LEU ALA VAL LEU          
SEQRES  12 A  260  GLY ILE PHE LEU LYS VAL GLY SER ALA LYS PRO GLY LEU          
SEQRES  13 A  260  GLN LYS VAL VAL ASP VAL LEU ASP SER ILE LYS THR LYS          
SEQRES  14 A  260  GLY LYS SER ALA ASP PHE THR ASN PHE ASP PRO ARG GLY          
SEQRES  15 A  260  LEU LEU PRO GLU SER LEU ASP TYR TRP THR TYR PRO GLY          
SEQRES  16 A  260  SER LEU THR THR PRO PRO LEU LEU GLU CYS VAL THR TRP          
SEQRES  17 A  260  ILE VAL LEU LYS GLU PRO ILE SER VAL SER SER GLU GLN          
SEQRES  18 A  260  VAL LEU LYS PHE ARG LYS LEU ASN PHE ASN GLY GLU GLY          
SEQRES  19 A  260  GLU PRO GLU GLU LEU MET VAL ASP ASN TRP ARG PRO ALA          
SEQRES  20 A  260  GLN PRO LEU LYS ASN ARG GLN ILE LYS ALA SER PHE LYS          
HET     ZN  A 262       1                                                       
HET    J45  A 263      21                                                       
HET    DMS  A 264       4                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM     J45 4-[(6-CHLORO-5-NITROPYRIMIDIN-4-YL)                              
HETNAM   2 J45  AMINO]BENZENESULFONAMIDE                                        
HETNAM     DMS DIMETHYL SULFOXIDE                                               
FORMUL   2   ZN    ZN 2+                                                        
FORMUL   3  J45    C10 H8 CL N5 O4 S                                            
FORMUL   4  DMS    C2 H6 O S                                                    
FORMUL   5  HOH   *229(H2 O)                                                    
HELIX    1   1 GLY A   12  ASP A   19  5                                   8    
HELIX    2   2 PHE A   20  GLY A   25  5                                   6    
HELIX    3   3 LYS A  127  GLY A  129  5                                   3    
HELIX    4   4 ASP A  130  VAL A  135  1                                   6    
HELIX    5   5 LYS A  154  GLY A  156  5                                   3    
HELIX    6   6 LEU A  157  LEU A  164  1                                   8    
HELIX    7   7 ASP A  165  ILE A  167  5                                   3    
HELIX    8   8 ASP A  180  LEU A  185  5                                   6    
HELIX    9   9 SER A  219  ARG A  227  1                                   9    
SHEET    1   A 2 ASP A  32  ILE A  33  0                                        
SHEET    2   A 2 THR A 108  VAL A 109  1  O  THR A 108   N  ILE A  33           
SHEET    1   B10 LYS A  39  TYR A  40  0                                        
SHEET    2   B10 LYS A 257  ALA A 258  1  O  ALA A 258   N  LYS A  39           
SHEET    3   B10 TYR A 191  GLY A 196 -1  N  THR A 193   O  LYS A 257           
SHEET    4   B10 VAL A 207  LEU A 212 -1  O  VAL A 207   N  GLY A 196           
SHEET    5   B10 LEU A 141  VAL A 150  1  N  GLY A 145   O  ILE A 210           
SHEET    6   B10 ALA A 116  ASN A 124 -1  N  LEU A 118   O  ILE A 146           
SHEET    7   B10 TYR A  88  TRP A  97 -1  N  GLN A  92   O  VAL A 121           
SHEET    8   B10 PHE A  66  PHE A  70 -1  N  PHE A  70   O  ILE A  91           
SHEET    9   B10 SER A  56  ASN A  61 -1  N  LEU A  57   O  GLU A  69           
SHEET   10   B10 SER A 173  ASP A 175 -1  O  ALA A 174   N  ILE A  59           
SHEET    1   C 6 LEU A  47  SER A  50  0                                        
SHEET    2   C 6 VAL A  78  GLY A  81 -1  O  LYS A  80   N  SER A  48           
SHEET    3   C 6 TYR A  88  TRP A  97 -1  O  TYR A  88   N  LEU A  79           
SHEET    4   C 6 ALA A 116  ASN A 124 -1  O  VAL A 121   N  GLN A  92           
SHEET    5   C 6 LEU A 141  VAL A 150 -1  O  ILE A 146   N  LEU A 118           
SHEET    6   C 6 ILE A 216  VAL A 218  1  O  ILE A 216   N  PHE A 147           
CISPEP   1 SER A   29    PRO A   30          0         2.26                     
CISPEP   2 PRO A  201    PRO A  202          0         6.33                     
SITE     1 AC1  4 HIS A  94  HIS A  96  HIS A 119  J45 A 263                    
SITE     1 AC2 11 GLN A  92  HIS A  94  HIS A  96  HIS A 119                    
SITE     2 AC2 11 PHE A 131  LEU A 198  THR A 199  THR A 200                    
SITE     3 AC2 11 TRP A 209   ZN A 262  HOH A 293                               
SITE     1 AC3  5 TYR A   7  ASP A 243  TRP A 245  PRO A 247                    
SITE     2 AC3  5 HOH A 489                                                     
CRYST1   42.184   41.165   72.477  90.00 104.54  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      0.023706  0.000000  0.006148        0.00000                         
SCALE2      0.000000  0.024292  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014254        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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