HEADER    HYDROLASE                               13-FEB-13   3ZN2              
TITLE     PROTEIN ENGINEERING OF HALOHYDRIN DEHALOGENASE                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HALOHYDRIN DEHALOGENASE;                                   
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: AGROBACTERIUM TUMEFACIENS;                      
SOURCE   3 ORGANISM_TAXID: 358;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: MC1061;                                    
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_VECTOR: PBAD                                       
KEYWDS    HYDROLASE, EPOXIDE CYANOLYSIS, PROTEIN DESIGN                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.SCHALLMEY,P.JEKEL,L.TANG,M.MAJERIC-ELENKOV,H.W.HOEFFKEN,B.HAUER,    
AUTHOR   2 D.B.JANSSEN                                                          
REVDAT   3   20-DEC-23 3ZN2    1       REMARK LINK                              
REVDAT   2   11-MAR-15 3ZN2    1       JRNL                                     
REVDAT   1   05-MAR-14 3ZN2    0                                                
JRNL        AUTH   M.SCHALLMEY,P.JEKEL,L.TANG,M.MAJERIC ELENKOV,H.W.HOFFKEN,    
JRNL        AUTH 2 B.HAUER,D.B.JANSSEN                                          
JRNL        TITL   A SINGLE POINT MUTATION ENHANCES HYDROXYNITRILE SYNTHESIS BY 
JRNL        TITL 2 HALOHYDRIN DEHALOGENASE.                                     
JRNL        REF    ENZYME.MICROB.TECHNOL.        V.  70    50 2015              
JRNL        REFN                   ISSN 0141-0229                               
JRNL        PMID   25659632                                                     
JRNL        DOI    10.1016/J.ENZMICTEC.2014.12.009                              
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.7.0032                                      
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) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 38.96                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 55208                          
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) : 0.215                           
REMARK   3   R VALUE            (WORKING SET) : 0.212                           
REMARK   3   FREE R VALUE                     : 0.263                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2937                            
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) : 1.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.85                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3049                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 72.71                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3710                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 140                          
REMARK   3   BIN FREE R VALUE                    : 0.3990                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3907                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 26                                      
REMARK   3   SOLVENT ATOMS            : 297                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 26.32                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.67000                                             
REMARK   3    B22 (A**2) : -0.67000                                             
REMARK   3    B33 (A**2) : 1.34000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.132         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.135         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.117         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.032         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.948                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.913                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  4081 ; 0.020 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  3795 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  5550 ; 1.954 ; 1.959       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  8782 ; 0.937 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   515 ; 7.176 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   178 ;41.465 ;24.607       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   642 ;15.295 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    14 ;14.429 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   599 ; 0.117 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  4675 ; 0.011 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):   919 ; 0.001 ; 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):  2051 ; 2.403 ; 2.452       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  2047 ; 2.401 ; 2.447       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2567 ; 3.462 ; 3.667       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  2030 ; 2.884 ; 2.794       
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 : BABINET MODEL WITH 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. THE BIOLOGICAL ACTIVE     
REMARK   3  MOLECULE IS A TETRAMER                                              
REMARK   4                                                                      
REMARK   4 3ZN2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 13-FEB-13.                  
REMARK 100 THE DEPOSITION ID IS D_1290055764.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-MAY-08                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SLS                                
REMARK 200  BEAMLINE                       : X06DA                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 225 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XDS                                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 58148                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 40.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.0                               
REMARK 200  DATA REDUNDANCY                : 8.800                              
REMARK 200  R MERGE                    (I) : 0.15000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.6500                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.90                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 81.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.10                               
REMARK 200  R MERGE FOR SHELL          (I) : 1.06000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.590                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1PX0                                       
REMARK 200                                                                      
REMARK 200 REMARK: NO REMARKS                                                   
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 53.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.62                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+3/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+1/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+3/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+1/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
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        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       59.21500            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       51.66500            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       51.66500            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       88.82250            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       51.66500            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       51.66500            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       29.60750            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       51.66500            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       51.66500            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       88.82250            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       51.66500            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       51.66500            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       29.60750            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       59.21500            
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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 20070 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 32380 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -177.4 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  0.000000 -1.000000  0.000000      103.33000            
REMARK 350   BIOMT2   2 -1.000000  0.000000  0.000000      103.33000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       59.21500            
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     MET B     1                                                      
REMARK 465     GLU B   254                                                      
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  2017     O    HOH A  2022              2.04            
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  2104     O    HOH A  2104     8665     2.18            
REMARK 500   OD1  ASN A   167     O    HOH B  2110     8665     2.19            
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 B  80   CB  -  CG  -  OD1 ANGL. DEV. =  -7.0 DEGREES          
REMARK 500    ASP B 230   CB  -  CG  -  OD1 ANGL. DEV. =   6.8 DEGREES          
REMARK 500    ASP B 230   CB  -  CG  -  OD2 ANGL. DEV. =  -6.1 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   8       52.01     33.33                                   
REMARK 500    PHE A  12     -119.94     46.55                                   
REMARK 500    ASP A  32      144.59   -171.27                                   
REMARK 500    GLN A 105      -51.84   -121.95                                   
REMARK 500    THR A 131     -117.38   -115.02                                   
REMARK 500    GLU A 141       34.40     74.80                                   
REMARK 500    GLU A 181     -119.62     66.12                                   
REMARK 500    GLU A 181     -117.32     58.03                                   
REMARK 500    CYS A 229       55.68   -150.42                                   
REMARK 500    ASN B   8       47.35     37.22                                   
REMARK 500    PHE B  12     -115.10     53.90                                   
REMARK 500    PRO B  59      -70.16    -50.41                                   
REMARK 500    PHE B  82      145.00   -170.90                                   
REMARK 500    THR B 131     -120.15   -107.33                                   
REMARK 500    GLU B 181     -105.71     61.20                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     PG5 B 1254                                                       
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                              NA A1258  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 SER A 132   OG                                                     
REMARK 620 2 TYR A 145   OH   85.5                                              
REMARK 620 3 HOH A2123   O    89.6  93.5                                        
REMARK 620 4 HOH A2124   O   138.1 109.4 126.6                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA A1259  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 141   OE2                                                    
REMARK 620 2 HOH A2110   O   129.6                                              
REMARK 620 3 HOH A2174   O   106.5 112.0                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K B1256   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 THR B   7   OG1                                                    
REMARK 620 2 SER B  78   OG  102.4                                              
REMARK 620 3 ASP B  80   OD1 125.1  85.6                                        
REMARK 620 4 HOH B2059   O    85.3 155.1 109.6                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA B1255  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 SER B 132   OG                                                     
REMARK 620 2 TYR B 145   OH   88.3                                              
REMARK 620 3 HOH B2087   O    85.3 101.2                                        
REMARK 620 4 HOH B2123   O   122.8 103.3 142.8                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 1255                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 1256                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 1257                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 1258                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 1259                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA B 1255                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PG5 B 1254                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 1256                  
DBREF  3ZN2 A    1   254  UNP    Q93D82   Q93D82_RHIRD     1    254             
DBREF  3ZN2 B    1   254  UNP    Q93D82   Q93D82_RHIRD     1    254             
SEQADV 3ZN2 ALA A  134  UNP  Q93D82    THR   134 ENGINEERED MUTATION            
SEQADV 3ZN2 SER A  153  UNP  Q93D82    CYS   153 ENGINEERED MUTATION            
SEQADV 3ZN2 PHE A  249  UNP  Q93D82    TRP   249 ENGINEERED MUTATION            
SEQADV 3ZN2 ALA B  134  UNP  Q93D82    THR   134 ENGINEERED MUTATION            
SEQADV 3ZN2 SER B  153  UNP  Q93D82    CYS   153 ENGINEERED MUTATION            
SEQADV 3ZN2 PHE B  249  UNP  Q93D82    TRP   249 ENGINEERED MUTATION            
SEQRES   1 A  254  MET SER THR ALA ILE VAL THR ASN VAL LYS HIS PHE GLY          
SEQRES   2 A  254  GLY MET GLY SER ALA LEU ARG LEU SER GLU ALA GLY HIS          
SEQRES   3 A  254  THR VAL ALA CYS HIS ASP GLU SER PHE LYS GLN LYS ASP          
SEQRES   4 A  254  GLU LEU GLU ALA PHE ALA GLU THR TYR PRO GLN LEU LYS          
SEQRES   5 A  254  PRO MET SER GLU GLN GLU PRO ALA GLU LEU ILE GLU ALA          
SEQRES   6 A  254  VAL THR SER ALA TYR GLY GLN VAL ASP VAL LEU VAL SER          
SEQRES   7 A  254  ASN ASP ILE PHE ALA PRO GLU PHE GLN PRO ILE ASP LYS          
SEQRES   8 A  254  TYR ALA VAL GLU ASP TYR ARG GLY ALA VAL GLU ALA LEU          
SEQRES   9 A  254  GLN ILE ARG PRO PHE ALA LEU VAL ASN ALA VAL ALA SER          
SEQRES  10 A  254  GLN MET LYS LYS ARG LYS SER GLY HIS ILE ILE PHE ILE          
SEQRES  11 A  254  THR SER ALA ALA PRO PHE GLY PRO TRP LYS GLU LEU SER          
SEQRES  12 A  254  THR TYR THR SER ALA ARG ALA GLY ALA SER THR LEU ALA          
SEQRES  13 A  254  ASN ALA LEU SER LYS GLU LEU GLY GLU TYR ASN ILE PRO          
SEQRES  14 A  254  VAL PHE ALA ILE GLY PRO ASN TYR LEU HIS SER GLU ASP          
SEQRES  15 A  254  SER PRO TYR PHE TYR PRO THR GLU PRO TRP LYS THR ASN          
SEQRES  16 A  254  PRO GLU HIS VAL ALA HIS VAL LYS LYS VAL THR ALA LEU          
SEQRES  17 A  254  GLN ARG LEU GLY THR GLN LYS GLU LEU GLY GLU LEU VAL          
SEQRES  18 A  254  ALA PHE LEU ALA SER GLY SER CYS ASP TYR LEU THR GLY          
SEQRES  19 A  254  GLN VAL PHE TRP LEU ALA GLY GLY PHE PRO MET ILE GLU          
SEQRES  20 A  254  ARG PHE PRO GLY MET PRO GLU                                  
SEQRES   1 B  254  MET SER THR ALA ILE VAL THR ASN VAL LYS HIS PHE GLY          
SEQRES   2 B  254  GLY MET GLY SER ALA LEU ARG LEU SER GLU ALA GLY HIS          
SEQRES   3 B  254  THR VAL ALA CYS HIS ASP GLU SER PHE LYS GLN LYS ASP          
SEQRES   4 B  254  GLU LEU GLU ALA PHE ALA GLU THR TYR PRO GLN LEU LYS          
SEQRES   5 B  254  PRO MET SER GLU GLN GLU PRO ALA GLU LEU ILE GLU ALA          
SEQRES   6 B  254  VAL THR SER ALA TYR GLY GLN VAL ASP VAL LEU VAL SER          
SEQRES   7 B  254  ASN ASP ILE PHE ALA PRO GLU PHE GLN PRO ILE ASP LYS          
SEQRES   8 B  254  TYR ALA VAL GLU ASP TYR ARG GLY ALA VAL GLU ALA LEU          
SEQRES   9 B  254  GLN ILE ARG PRO PHE ALA LEU VAL ASN ALA VAL ALA SER          
SEQRES  10 B  254  GLN MET LYS LYS ARG LYS SER GLY HIS ILE ILE PHE ILE          
SEQRES  11 B  254  THR SER ALA ALA PRO PHE GLY PRO TRP LYS GLU LEU SER          
SEQRES  12 B  254  THR TYR THR SER ALA ARG ALA GLY ALA SER THR LEU ALA          
SEQRES  13 B  254  ASN ALA LEU SER LYS GLU LEU GLY GLU TYR ASN ILE PRO          
SEQRES  14 B  254  VAL PHE ALA ILE GLY PRO ASN TYR LEU HIS SER GLU ASP          
SEQRES  15 B  254  SER PRO TYR PHE TYR PRO THR GLU PRO TRP LYS THR ASN          
SEQRES  16 B  254  PRO GLU HIS VAL ALA HIS VAL LYS LYS VAL THR ALA LEU          
SEQRES  17 B  254  GLN ARG LEU GLY THR GLN LYS GLU LEU GLY GLU LEU VAL          
SEQRES  18 B  254  ALA PHE LEU ALA SER GLY SER CYS ASP TYR LEU THR GLY          
SEQRES  19 B  254  GLN VAL PHE TRP LEU ALA GLY GLY PHE PRO MET ILE GLU          
SEQRES  20 B  254  ARG PHE PRO GLY MET PRO GLU                                  
HET    ACT  A1255       4                                                       
HET    ACT  A1256       4                                                       
HET    ACT  A1257       4                                                       
HET     NA  A1258       1                                                       
HET     NA  A1259       1                                                       
HET    PG5  B1254      10                                                       
HET     NA  B1255       1                                                       
HET      K  B1256       1                                                       
HETNAM     ACT ACETATE ION                                                      
HETNAM      NA SODIUM ION                                                       
HETNAM     PG5 1-METHOXY-2-[2-(2-METHOXY-ETHOXY]-ETHANE                         
HETNAM       K POTASSIUM ION                                                    
FORMUL   3  ACT    3(C2 H3 O2 1-)                                               
FORMUL   6   NA    3(NA 1+)                                                     
FORMUL   8  PG5    C8 H18 O4                                                    
FORMUL  10    K    K 1+                                                         
FORMUL  11  HOH   *297(H2 O)                                                    
HELIX    1   1 GLY A   13  GLY A   25  1                                  13    
HELIX    2   2 ASP A   32  LYS A   36  5                                   5    
HELIX    3   3 GLN A   37  TYR A   48  1                                  12    
HELIX    4   4 GLU A   58  GLY A   71  1                                  14    
HELIX    5   5 PRO A   88  TYR A   92  5                                   5    
HELIX    6   6 ALA A   93  GLN A  105  1                                  13    
HELIX    7   7 GLN A  105  LYS A  123  1                                  19    
HELIX    8   8 ALA A  133  GLY A  137  5                                   5    
HELIX    9   9 LEU A  142  GLY A  164  1                                  23    
HELIX   10  10 GLU A  165  ASN A  167  5                                   3    
HELIX   11  11 PRO A  188  LYS A  193  1                                   6    
HELIX   12  12 ASN A  195  THR A  206  1                                  12    
HELIX   13  13 THR A  213  SER A  226  1                                  14    
HELIX   14  14 CYS A  229  THR A  233  5                                   5    
HELIX   15  15 GLY B   13  ALA B   24  1                                  12    
HELIX   16  16 GLU B   33  LYS B   36  5                                   4    
HELIX   17  17 GLN B   37  TYR B   48  1                                  12    
HELIX   18  18 GLU B   58  GLY B   71  1                                  14    
HELIX   19  19 PRO B   88  TYR B   92  5                                   5    
HELIX   20  20 ALA B   93  GLN B  105  1                                  13    
HELIX   21  21 GLN B  105  LYS B  123  1                                  19    
HELIX   22  22 ALA B  133  GLY B  137  5                                   5    
HELIX   23  23 LEU B  142  GLY B  164  1                                  23    
HELIX   24  24 GLU B  165  ASN B  167  5                                   3    
HELIX   25  25 PRO B  188  LYS B  193  1                                   6    
HELIX   26  26 ASN B  195  THR B  206  1                                  12    
HELIX   27  27 THR B  213  SER B  226  1                                  14    
HELIX   28  28 CYS B  229  THR B  233  5                                   5    
SHEET    1  AA 7 LEU A  51  PRO A  53  0                                        
SHEET    2  AA 7 THR A  27  CYS A  30  1  O  VAL A  28   N  LYS A  52           
SHEET    3  AA 7 THR A   3  VAL A   6  1  O  ALA A   4   N  ALA A  29           
SHEET    4  AA 7 VAL A  75  ASN A  79  1  O  VAL A  75   N  ILE A   5           
SHEET    5  AA 7 HIS A 126  ILE A 130  1  O  HIS A 126   N  LEU A  76           
SHEET    6  AA 7 VAL A 170  PRO A 175  1  O  PHE A 171   N  PHE A 129           
SHEET    7  AA 7 VAL A 236  LEU A 239  1  O  PHE A 237   N  GLY A 174           
SHEET    1  BA 7 LEU B  51  PRO B  53  0                                        
SHEET    2  BA 7 THR B  27  CYS B  30  1  O  VAL B  28   N  LYS B  52           
SHEET    3  BA 7 THR B   3  VAL B   6  1  O  ALA B   4   N  ALA B  29           
SHEET    4  BA 7 VAL B  75  ASN B  79  1  O  VAL B  75   N  ILE B   5           
SHEET    5  BA 7 HIS B 126  ILE B 130  1  O  HIS B 126   N  LEU B  76           
SHEET    6  BA 7 VAL B 170  PRO B 175  1  O  PHE B 171   N  PHE B 129           
SHEET    7  BA 7 VAL B 236  LEU B 239  1  O  PHE B 237   N  GLY B 174           
LINK         OG  SER A 132                NA    NA A1258     1555   1555  3.08  
LINK         OE2 GLU A 141                NA    NA A1259     1555   1555  2.41  
LINK         OH  TYR A 145                NA    NA A1258     1555   1555  2.99  
LINK        NA    NA A1258                 O   HOH A2123     1555   1555  2.53  
LINK        NA    NA A1258                 O   HOH A2124     1555   1555  2.67  
LINK        NA    NA A1259                 O   HOH A2110     1555   1555  2.35  
LINK        NA    NA A1259                 O   HOH A2174     1555   1555  3.14  
LINK         OG1 THR B   7                 K     K B1256     1555   1555  2.92  
LINK         OG  SER B  78                 K     K B1256     1555   1555  2.75  
LINK         OD1 ASP B  80                 K     K B1256     1555   1555  2.46  
LINK         OG  SER B 132                NA    NA B1255     1555   1555  2.99  
LINK         OH  TYR B 145                NA    NA B1255     1555   1555  2.98  
LINK        NA    NA B1255                 O   HOH B2087     1555   1555  2.73  
LINK        NA    NA B1255                 O   HOH B2123     1555   1555  1.91  
LINK         K     K B1256                 O   HOH B2059     1555   1555  2.99  
CISPEP   1 TYR A  185    PHE A  186          0        -1.76                     
CISPEP   2 GLU A  190    PRO A  191          0         7.85                     
CISPEP   3 PHE A  243    PRO A  244          0        -5.23                     
CISPEP   4 TYR B  185    PHE B  186          0         5.16                     
CISPEP   5 GLU B  190    PRO B  191          0         5.39                     
CISPEP   6 PHE B  243    PRO B  244          0         6.00                     
SITE     1 AC1  5 GLU A  58  PRO A  59  ALA A  60  GLU A  61                    
SITE     2 AC1  5 HOH A2172                                                     
SITE     1 AC2  3 GLU A 102  ARG A 107  HOH A2084                               
SITE     1 AC3  5 HIS A 179  GLU A 181  THR A 213  GLN A 214                    
SITE     2 AC3  5 LYS A 215                                                     
SITE     1 AC4  4 SER A 132  TYR A 145  HOH A2123  HOH A2124                    
SITE     1 AC5  2 GLU A 141  HOH A2110                                          
SITE     1 AC6  4 SER B 132  TYR B 145  HOH B2087  HOH B2123                    
SITE     1 AC7  6 ALA B  93  VAL B  94  GLU B  95  ARG B  98                    
SITE     2 AC7  6 HOH B2050  HOH B2122                                          
SITE     1 AC8  6 THR B   7  SER B  78  ASP B  80  ARG B 107                    
SITE     2 AC8  6 LEU B 111  HOH B2059                                          
CRYST1  103.330  103.330  118.430  90.00  90.00  90.00 P 43 21 2    16          
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      0.009678  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009678  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008444        0.00000                         
MTRIX1   1 -0.626600  0.372000  0.684800      100.70000    1                    
MTRIX2   1  0.368700 -0.632700  0.681000      -11.17000    1                    
MTRIX3   1  0.687000  0.679200  0.259300      -48.70000    1