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Database: PDB
Entry: 5BRV
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Original site: 5BRV 
HEADER    OXIDOREDUCTASE                          01-JUN-15   5BRV              
TITLE     CATALYTIC IMPROVEMENT OF AN ARTIFICIAL METALLOENZYME BY COMPUTATIONAL 
TITLE    2 DESIGN                                                               
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;                                                     
COMPND   8 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: CA2;                                                           
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PACA                                      
KEYWDS    ARTIFICIAL METALLOENZYME, OXIDOREDUCTASE                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    T.HEINISCH,M.PELLIZZONI,M.DUERRENBERGER,C.E.TINBERG,V.KOEHLER,        
AUTHOR   2 J.KLEHR,D.HAEUSSINGER,D.BAKER,T.R.WARD                               
REVDAT   4   10-JAN-24 5BRV    1       REMARK                                   
REVDAT   3   26-AUG-15 5BRV    1       JRNL                                     
REVDAT   2   12-AUG-15 5BRV    1       JRNL                                     
REVDAT   1   24-JUN-15 5BRV    0                                                
JRNL        AUTH   T.HEINISCH,M.PELLIZZONI,M.DURRENBERGER,C.E.TINBERG,V.KOHLER, 
JRNL        AUTH 2 J.KLEHR,D.HAUSSINGER,D.BAKER,T.R.WARD                        
JRNL        TITL   IMPROVING THE CATALYTIC PERFORMANCE OF AN ARTIFICIAL         
JRNL        TITL 2 METALLOENZYME BY COMPUTATIONAL DESIGN.                       
JRNL        REF    J.AM.CHEM.SOC.                V. 137 10414 2015              
JRNL        REFN                   ESSN 1520-5126                               
JRNL        PMID   26226626                                                     
JRNL        DOI    10.1021/JACS.5B06622                                         
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0107                                      
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) : 69.96                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 85.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 26057                          
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) : 0.187                           
REMARK   3   R VALUE            (WORKING SET) : 0.185                           
REMARK   3   FREE R VALUE                     : 0.230                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.200                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1441                            
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) : 1088                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 47.77                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3640                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 45                           
REMARK   3   BIN FREE R VALUE                    : 0.4160                       
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          : 40                                      
REMARK   3   SOLVENT ATOMS            : 146                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 23.53                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.21000                                              
REMARK   3    B22 (A**2) : -0.93000                                             
REMARK   3    B33 (A**2) : 0.31000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.75000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.116         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.116         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.081         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.472         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.962                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.940                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2185 ; 0.017 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  1995 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3005 ; 1.879 ; 1.980       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  4622 ; 1.023 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   259 ;11.753 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    98 ;34.952 ;24.592       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   359 ;14.643 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     7 ;21.906 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   300 ; 0.107 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2435 ; 0.011 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):   491 ; 0.002 ; 0.020       
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):  1033 ; 2.087 ; 2.040       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  1032 ; 2.052 ; 2.035       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1290 ; 3.079 ; 3.045       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS U VALUES : REFINED INDIVIDUALLY                           
REMARK   4                                                                      
REMARK   4 5BRV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 11-JUN-15.                  
REMARK 100 THE DEPOSITION ID IS D_1000210447.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-FEB-15                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.9                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SLS                                
REMARK 200  BEAMLINE                       : X06SA                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.30510                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS 6M                 
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : AIMLESS 0.5.1                      
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 27511                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 69.960                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 85.6                               
REMARK 200  DATA REDUNDANCY                : 5.000                              
REMARK 200  R MERGE                    (I) : 0.10500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.5000                             
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     (%) : 45.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 1.07800                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER 2.5.7                                          
REMARK 200 STARTING MODEL: 3ZP9                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 41.29                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.09                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 2.6 M AMMONIUM SULFATE, 50 MM TRIS       
REMARK 280  -HCL, PH 7.9, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K       
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       20.77200            
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: 0 ANGSTROM**2                             
REMARK 350 SURFACE AREA OF THE COMPLEX: 11930 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 0.0 KCAL/MOL                          
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     ALA 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   498     O    HOH A   539              1.96            
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    ARG A  89   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.1 DEGREES          
REMARK 500    ASP A 101   CB  -  CG  -  OD1 ANGL. DEV. =   5.5 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 A  11       15.89   -141.13                                   
REMARK 500    ARG A  27       53.82   -140.55                                   
REMARK 500    ASP A  75       71.59    -64.21                                   
REMARK 500    PHE A 175       64.24   -150.42                                   
REMARK 500    ASN A 243       53.72    -99.46                                   
REMARK 500    LEU A 252       -4.89     72.92                                   
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 A 301  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  94   NE2                                                    
REMARK 620 2 HIS A  96   NE2 103.7                                              
REMARK 620 3 HIS A 119   ND1 112.4  97.5                                        
REMARK 620 4 9TH A 302   N2  113.2 111.5 116.6                                  
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 A 301                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue 9TH A 302                 
DBREF  5BRV A    3   260  UNP    P00918   CAH2_HUMAN       3    260             
SEQADV 5BRV MET A    1  UNP  P00918              INITIATING METHIONINE          
SEQADV 5BRV ALA A    2  UNP  P00918              EXPRESSION TAG                 
SEQADV 5BRV MET A  140  UNP  P00918    LEU   140 ENGINEERED MUTATION            
SEQADV 5BRV MET A  197  UNP  P00918    LEU   197 ENGINEERED MUTATION            
SEQADV 5BRV SER A  205  UNP  P00918    CYS   205 ENGINEERED MUTATION            
SEQADV 5BRV LEU A  252  UNP  P00918    ASN   252 ENGINEERED MUTATION            
SEQRES   1 A  260  MET ALA 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 MET 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 MET THR THR PRO PRO LEU LEU GLU SER 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 LEU ARG GLN ILE LYS ALA SER PHE LYS          
HET     ZN  A 301       1                                                       
HET    9TH  A 302      49                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM     9TH PENTAMETHYLCYCLOPENTADIENYL IRIDIUM [N-                          
HETNAM   2 9TH  BENZENSULFONAMIDE-(2-PYRIDYLMETHYL-4-                           
HETNAM   3 9TH  BENZENSULFONAMIDE)AMIN] CHLORIDE                                
FORMUL   2   ZN    ZN 2+                                                        
FORMUL   3  9TH    C28 H31 CL IR N3 O4 S2                                       
FORMUL   4  HOH   *146(H2 O)                                                    
HELIX    1 AA1 HIS A   15  ASP A   19  5                                   5    
HELIX    2 AA2 PHE A   20  GLY A   25  5                                   6    
HELIX    3 AA3 LYS A  126  GLY A  128  5                                   3    
HELIX    4 AA4 ASP A  129  VAL A  134  1                                   6    
HELIX    5 AA5 LYS A  153  GLY A  155  5                                   3    
HELIX    6 AA6 LEU A  156  LEU A  163  1                                   8    
HELIX    7 AA7 ASP A  164  LYS A  167  5                                   4    
HELIX    8 AA8 ASP A  179  LEU A  184  5                                   6    
HELIX    9 AA9 SER A  218  LYS A  227  1                                  10    
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 256  ALA A 257  1  O  ALA A 257   N  LYS A  39           
SHEET    3 AA210 TYR A 190  GLY A 195 -1  N  THR A 192   O  LYS A 256           
SHEET    4 AA210 VAL A 206  LEU A 211 -1  O  VAL A 206   N  GLY A 195           
SHEET    5 AA210 MET A 140  VAL A 149  1  N  GLY A 144   O  ILE A 209           
SHEET    6 AA210 ALA A 116  ASN A 124 -1  N  LEU A 118   O  ILE A 145           
SHEET    7 AA210 TYR A  88  TRP A  97 -1  N  GLN A  92   O  VAL A 121           
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 172  ASP A 174 -1  O  ALA A 173   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  VAL A 121   N  GLN A  92           
SHEET    5 AA3 6 MET A 140  VAL A 149 -1  O  ILE A 145   N  LEU A 118           
SHEET    6 AA3 6 ILE A 215  VAL A 217  1  O  ILE A 215   N  PHE A 146           
LINK         NE2 HIS A  94                ZN    ZN A 301     1555   1555  2.05  
LINK         NE2 HIS A  96                ZN    ZN A 301     1555   1555  2.16  
LINK         ND1 HIS A 119                ZN    ZN A 301     1555   1555  2.12  
LINK        ZN    ZN A 301                 N2  9TH A 302     1555   1555  1.96  
CISPEP   1 SER A   29    PRO A   30          0         1.07                     
CISPEP   2 PRO A  200    PRO A  201          0        12.90                     
SITE     1 AC1  4 HIS A  94  HIS A  96  HIS A 119  9TH A 302                    
SITE     1 AC2 12 HIS A  94  HIS A  96  HIS A 119  PHE A 130                    
SITE     2 AC2 12 MET A 197  THR A 198  THR A 199  PRO A 201                    
SITE     3 AC2 12 TRP A 208   ZN A 301  HOH A 402  HOH A 502                    
CRYST1   42.230   41.544   72.130  90.00 104.11  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      0.023680  0.000000  0.005950        0.00000                         
SCALE2      0.000000  0.024071  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014295        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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