PDB Short entry for 6KM6
HEADER    LYASE                                   30-JUL-19   6KM6              
TITLE     HUMAN CARBONIC ANHYDRASE II NATIVE 15 ATM CO2                         
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;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    CARBONIC ANHYDRASE II, INTERMEDIATE STATES, WATER NETWORK, POINT      
KEYWDS   2 MUTATION, LYASE                                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.U.KIM,J.K.KIM                                                       
REVDAT   5   22-NOV-23 6KM6    1       REMARK                                   
REVDAT   4   03-MAR-21 6KM6    1       JRNL                                     
REVDAT   3   02-DEC-20 6KM6    1       JRNL                                     
REVDAT   2   11-NOV-20 6KM6    1       JRNL                                     
REVDAT   1   05-AUG-20 6KM6    0                                                
JRNL        AUTH   J.K.KIM,C.LEE,S.W.LIM,J.T.ANDRING,A.ADHIKARI,R.MCKENNA,      
JRNL        AUTH 2 C.U.KIM                                                      
JRNL        TITL   STRUCTURAL INSIGHTS INTO THE EFFECT OF ACTIVE-SITE MUTATION  
JRNL        TITL 2 ON THE CATALYTIC MECHANISM OF CARBONIC ANHYDRASE.            
JRNL        REF    IUCRJ                         V.   7   985 2020              
JRNL        REFN                   ESSN 2052-2525                               
JRNL        PMID   33209313                                                     
JRNL        DOI    10.1107/S2052252520011008                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.15 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0124 2015/06/02                           
REMARK   3   AUTHORS     : NULL                                                 
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.15                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 29.06                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 95.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 81959                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : FREE R-VALUE                    
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE     (WORKING + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.105                           
REMARK   3   FREE R VALUE                     : 0.134                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 3972                            
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) : 1.15                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.18                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 5596                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 93.01                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2280                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 295                          
REMARK   3   BIN FREE R VALUE                    : 0.2370                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2049                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 13                                      
REMARK   3   SOLVENT ATOMS            : 363                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 17.56                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.00500                                             
REMARK   3    B22 (A**2) : 0.02200                                              
REMARK   3    B33 (A**2) : -0.00900                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.01200                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.027         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.029         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.020         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.990         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.988                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.983                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2305 ; 0.029 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  2160 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3152 ; 2.367 ; 1.954       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  5037 ; 1.284 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   300 ; 6.690 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   107 ;33.806 ;24.860       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   400 ;12.871 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     8 ;20.146 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   326 ; 0.166 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2684 ; 0.014 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):   532 ; 0.006 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1694 ; 0.300 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):    80 ; 0.280 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  2138 ; 0.185 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   106 ; 0.132 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     8 ; 0.065 ; 0.200       
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):  1117 ; 2.092 ; 1.334       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  1116 ; 1.986 ; 1.330       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1423 ; 2.722 ; 2.015       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  1424 ; 2.744 ; 2.017       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1188 ; 3.591 ; 1.679       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  1188 ; 3.591 ; 1.679       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1721 ; 4.104 ; 2.366       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  1722 ; 4.103 ; 2.366       
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):  4465 ; 6.280 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):    82 ;45.122 ; 5.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  4666 ;12.821 ; 5.000       
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 : NULL                                                 
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: HYDROGENS HAVE BEEN ADDED IN THEIR        
REMARK   3  RIDING POSITIONS                                                    
REMARK   4                                                                      
REMARK   4 6KM6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 08-AUG-19.                  
REMARK 100 THE DEPOSITION ID IS D_1300013278.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 09-APR-19                          
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               : PAL/PLS                            
REMARK 200  BEAMLINE                       : 5C (4A)                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.8856                             
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 270                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 82467                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.150                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.9                               
REMARK 200  DATA REDUNDANCY                : 6.000                              
REMARK 200  R MERGE                    (I) : 0.05400                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 31.6200                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.15                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.17                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.76900                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.220                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: REFMAC                                                
REMARK 200 STARTING MODEL: 5YUK                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 40.72                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.07                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.3 M SODIUM CITRATE, 100 MM TRIS-HCL,   
REMARK 280  PH 7.8, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K             
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       20.65400            
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 TOTAL BURIED SURFACE AREA: 80 ANGSTROM**2                            
REMARK 350 SURFACE AREA OF THE COMPLEX: 11760 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -31.0 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 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 465     HIS A     3                                                      
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   HE2  HIS A    94    ZN     ZN A   301              1.19            
REMARK 500   HE2  HIS A    96    ZN     ZN A   301              1.21            
REMARK 500   HD1  HIS A   119    ZN     ZN A   301              1.22            
REMARK 500   O    HOH A   411     O    HOH A   448              1.89            
REMARK 500   OE2  GLU A   214     O    HOH A   402              2.01            
REMARK 500   O    HOH A   498     O    HOH A   627              2.11            
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 A   464     O    HOH A   695     1455     2.11            
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     0.084                       
REMARK 500    GLU A  14   CD    GLU A  14   OE2     0.112                       
REMARK 500    GLU A  26   CD    GLU A  26   OE1     0.084                       
REMARK 500    LYS A  45   CA    LYS A  45   CB     -0.276                       
REMARK 500    LYS A  45   C     PRO A  46   N       0.166                       
REMARK 500    LEU A 100   CA    LEU A 100   CB      0.143                       
REMARK 500    GLN A 137   CG    GLN A 137   CD     -0.138                       
REMARK 500    ASP A 162   CB    ASP A 162   CG      0.172                       
REMARK 500    GLU A 214   CD    GLU A 214   OE1    -0.075                       
REMARK 500    GLU A 234   CD    GLU A 234   OE1     0.092                       
REMARK 500    GLU A 236   CD    GLU A 236   OE1     0.069                       
REMARK 500    GLU A 239   CD    GLU A 239   OE2     0.100                       
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    ASP A  52   CB  -  CG  -  OD2 ANGL. DEV. =  -7.0 DEGREES          
REMARK 500    LYS A 133   CD  -  CE  -  NZ  ANGL. DEV. = -15.2 DEGREES          
REMARK 500    LEU A 141   CB  -  CG  -  CD2 ANGL. DEV. =  11.9 DEGREES          
REMARK 500    ASP A 162   CB  -  CG  -  OD2 ANGL. DEV. =  -8.4 DEGREES          
REMARK 500    ASP A 165   CB  -  CG  -  OD2 ANGL. DEV. =  -7.8 DEGREES          
REMARK 500    GLU A 214   OE1 -  CD  -  OE2 ANGL. DEV. =  -9.3 DEGREES          
REMARK 500    ARG A 246   NE  -  CZ  -  NH1 ANGL. DEV. =   3.6 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    ALA A  65     -167.73   -163.97                                   
REMARK 500    GLU A 106      -62.44    -95.47                                   
REMARK 500    LYS A 111       -3.17     72.19                                   
REMARK 500    PHE A 176       69.23   -151.46                                   
REMARK 500    ASN A 244       48.51    -94.13                                   
REMARK 500    LYS A 252     -141.46     56.39                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    GLU A 234         0.07    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    HIS A   4        -12.51                                           
REMARK 500    GLY A   8        -12.58                                           
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 762        DISTANCE =  5.92 ANGSTROMS                       
REMARK 525    HOH A 763        DISTANCE =  6.03 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 105.4                                              
REMARK 620 3 HIS A 119   ND1 115.3 100.0                                        
REMARK 620 N                    1     2                                         
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 CO2 A 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue CO2 A 303                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 304                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 6KLZ   RELATED DB: PDB                                   
REMARK 900 SAME PROTEIN BUT WITHOUT V143I POINT MUTATION AND DIFFERENT CO2      
REMARK 900 PRESSURE CONDITION                                                   
DBREF  6KM6 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 301       1                                                       
HET    CO2  A 302       3                                                       
HET    CO2  A 303       3                                                       
HET    GOL  A 304      14                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM     CO2 CARBON DIOXIDE                                                   
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   2   ZN    ZN 2+                                                        
FORMUL   3  CO2    2(C O2)                                                      
FORMUL   5  GOL    C3 H8 O3                                                     
FORMUL   6  HOH   *363(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  LEU A 212           
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  1.99  
LINK         NE2 HIS A  96                ZN    ZN A 301     1555   1555  2.02  
LINK         ND1 HIS A 119                ZN    ZN A 301     1555   1555  2.02  
CISPEP   1 SER A   29    PRO A   30          0        -4.45                     
CISPEP   2 PRO A  201    PRO A  202          0        15.72                     
SITE     1 AC1  5 HIS A  94  HIS A  96  HIS A 119  CO2 A 302                    
SITE     2 AC1  5 HOH A 432                                                     
SITE     1 AC2  8 HIS A  94  HIS A 119  VAL A 121  LEU A 198                    
SITE     2 AC2  8 THR A 199  TRP A 209   ZN A 301  HOH A 432                    
SITE     1 AC3  3 ALA A 116  LEU A 148  PHE A 226                               
SITE     1 AC4  7 TYR A   7  ASP A 243  TRP A 245  PRO A 247                    
SITE     2 AC4  7 HOH A 423  HOH A 456  HOH A 458                               
CRYST1   42.153   41.308   71.964  90.00 104.09  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      0.023723  0.000000  0.005954        0.00000                         
SCALE2      0.000000  0.024208  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014327        0.00000