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Entry: 2DHC
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HEADER    DEHALOGENASE                            08-SEP-93   2DHC              
TITLE     CRYSTALLOGRAPHIC ANALYSIS OF THE CATALYTIC MECHANISM OF HALOALKANE    
TITLE    2 DEHALOGENASE                                                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HALOALKANE DEHALOGENASE;                                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 3.8.1.5;                                                         
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: XANTHOBACTER AUTOTROPHICUS;                     
SOURCE   3 ORGANISM_TAXID: 280                                                  
KEYWDS    DEHALOGENASE                                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.H.G.VERSCHUEREN,B.W.DIJKSTRA                                        
REVDAT   5   14-FEB-24 2DHC    1       REMARK                                   
REVDAT   4   29-NOV-17 2DHC    1       HELIX                                    
REVDAT   3   24-FEB-09 2DHC    1       VERSN                                    
REVDAT   2   01-APR-03 2DHC    1       JRNL                                     
REVDAT   1   31-JUL-94 2DHC    0                                                
JRNL        AUTH   K.H.VERSCHUEREN,F.SELJEE,H.J.ROZEBOOM,K.H.KALK,B.W.DIJKSTRA  
JRNL        TITL   CRYSTALLOGRAPHIC ANALYSIS OF THE CATALYTIC MECHANISM OF      
JRNL        TITL 2 HALOALKANE DEHALOGENASE.                                     
JRNL        REF    NATURE                        V. 363   693 1993              
JRNL        REFN                   ISSN 0028-0836                               
JRNL        PMID   8515812                                                      
JRNL        DOI    10.1038/363693A0                                             
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.M.FRANKEN,H.J.ROZEBOOM,K.H.KALK,B.W.DIJKSTRA               
REMARK   1  TITL   CRYSTAL STRUCTURE OF HALOALKANE DEHALOGENASE: AN ENZYME TO   
REMARK   1  TITL 2 DETOXIFY HALOGENATED ALKANES                                 
REMARK   1  REF    EMBO J.                       V.  10  1297 1991              
REMARK   1  REFN                   ISSN 0261-4189                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   H.J.ROZEBOOM,J.KINGMA,D.B.JANSSEN,B.W.DIJKSTRA               
REMARK   1  TITL   CRYSTALLIZATION OF HALOALKANE DEHALOGENASE FROM XANTHOBACTER 
REMARK   1  TITL 2 AUTOTROPHICUS GJ10                                           
REMARK   1  REF    J.MOL.BIOL.                   V. 200   611 1988              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : TNT                                                  
REMARK   3   AUTHORS     : TRONRUD,TEN EYCK,MATTHEWS                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 15.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 3.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 11326                          
REMARK   3                                                                      
REMARK   3  USING DATA ABOVE SIGMA CUTOFF.                                      
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.195                           
REMARK   3   R VALUE            (WORKING SET) : NULL                            
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3                                                                      
REMARK   3  USING ALL DATA, NO SIGMA CUTOFF.                                    
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : NULL                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2479                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 4                                       
REMARK   3   SOLVENT ATOMS            : 122                                     
REMARK   3                                                                      
REMARK   3  WILSON B VALUE (FROM FCALC, A**2) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.    RMS    WEIGHT  COUNT           
REMARK   3   BOND LENGTHS                 (A) : 0.014 ; NULL  ; NULL            
REMARK   3   BOND ANGLES            (DEGREES) : 3.900 ; NULL  ; NULL            
REMARK   3   TORSION ANGLES         (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   PSEUDOROTATION ANGLES  (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   TRIGONAL CARBON PLANES       (A) : NULL  ; NULL  ; NULL            
REMARK   3   GENERAL PLANES               (A) : NULL  ; NULL  ; NULL            
REMARK   3   ISOTROPIC THERMAL FACTORS (A**2) : NULL  ; NULL  ; NULL            
REMARK   3   NON-BONDED CONTACTS          (A) : NULL  ; NULL  ; NULL            
REMARK   3                                                                      
REMARK   3  INCORRECT CHIRAL-CENTERS (COUNT) : NULL                             
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  RESTRAINT LIBRARIES.                                                
REMARK   3   STEREOCHEMISTRY : NULL                                             
REMARK   3   ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL                         
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2DHC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000177995.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : NULL                               
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 39.60                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.04                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       4555   X+1/2,-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        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000       47.45000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       36.40000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       47.45000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       36.40000            
REMARK 290   SMTRY3   4  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 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 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    GLY A   288     O    HOH A   522              2.12            
REMARK 500   O    HOH A   407     O    HOH A   435              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    ARG A   6   NE  -  CZ  -  NH2 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    ASP A   9   CB  -  CG  -  OD1 ANGL. DEV. =  -6.8 DEGREES          
REMARK 500    ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   4.4 DEGREES          
REMARK 500    PRO A  22   CB  -  CA  -  C   ANGL. DEV. = -13.3 DEGREES          
REMARK 500    ARG A  35   NE  -  CZ  -  NH1 ANGL. DEV. =  -4.2 DEGREES          
REMARK 500    ARG A  35   NE  -  CZ  -  NH2 ANGL. DEV. =   3.5 DEGREES          
REMARK 500    ASP A  48   CB  -  CG  -  OD1 ANGL. DEV. =   7.2 DEGREES          
REMARK 500    LEU A  53   CB  -  CG  -  CD2 ANGL. DEV. = -11.6 DEGREES          
REMARK 500    ARG A  76   NE  -  CZ  -  NH2 ANGL. DEV. =   3.1 DEGREES          
REMARK 500    LYS A  87   N   -  CA  -  CB  ANGL. DEV. =  11.6 DEGREES          
REMARK 500    ASP A  89   CB  -  CG  -  OD1 ANGL. DEV. =   8.1 DEGREES          
REMARK 500    ASP A  89   CB  -  CG  -  OD2 ANGL. DEV. =  -8.0 DEGREES          
REMARK 500    ASP A  93   CB  -  CG  -  OD1 ANGL. DEV. =   6.0 DEGREES          
REMARK 500    ARG A 103   NE  -  CZ  -  NH1 ANGL. DEV. =  -4.7 DEGREES          
REMARK 500    ARG A 112   NE  -  CZ  -  NH1 ANGL. DEV. =   4.3 DEGREES          
REMARK 500    ARG A 116   NE  -  CZ  -  NH1 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    ARG A 116   NE  -  CZ  -  NH2 ANGL. DEV. =  -7.0 DEGREES          
REMARK 500    ASP A 124   CB  -  CG  -  OD1 ANGL. DEV. = -10.1 DEGREES          
REMARK 500    ASP A 124   CB  -  CG  -  OD2 ANGL. DEV. =   7.6 DEGREES          
REMARK 500    ASP A 137   CB  -  CG  -  OD2 ANGL. DEV. =  -7.3 DEGREES          
REMARK 500    ARG A 140   NE  -  CZ  -  NH2 ANGL. DEV. =   3.3 DEGREES          
REMARK 500    ARG A 143   CD  -  NE  -  CZ  ANGL. DEV. =   8.7 DEGREES          
REMARK 500    ARG A 143   NE  -  CZ  -  NH1 ANGL. DEV. =   4.3 DEGREES          
REMARK 500    ASP A 170   CB  -  CG  -  OD1 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    VAL A 180   CG1 -  CB  -  CG2 ANGL. DEV. = -10.8 DEGREES          
REMARK 500    ASP A 184   CB  -  CG  -  OD2 ANGL. DEV. =  -8.9 DEGREES          
REMARK 500    ALA A 201   CB  -  CA  -  C   ANGL. DEV. =  10.4 DEGREES          
REMARK 500    ALA A 201   N   -  CA  -  CB  ANGL. DEV. =   9.3 DEGREES          
REMARK 500    PRO A 211   C   -  N   -  CD  ANGL. DEV. = -12.9 DEGREES          
REMARK 500    ARG A 220   NE  -  CZ  -  NH1 ANGL. DEV. =   5.3 DEGREES          
REMARK 500    MET A 225   CG  -  SD  -  CE  ANGL. DEV. =  10.2 DEGREES          
REMARK 500    ARG A 229   NE  -  CZ  -  NH1 ANGL. DEV. =   3.6 DEGREES          
REMARK 500    ASP A 230   CB  -  CG  -  OD1 ANGL. DEV. =  10.1 DEGREES          
REMARK 500    ASP A 230   CB  -  CG  -  OD2 ANGL. DEV. =  -7.2 DEGREES          
REMARK 500    ASP A 235   CB  -  CG  -  OD1 ANGL. DEV. =   6.1 DEGREES          
REMARK 500    ASP A 235   CB  -  CG  -  OD2 ANGL. DEV. =  -8.4 DEGREES          
REMARK 500    MET A 258   CG  -  SD  -  CE  ANGL. DEV. =   9.7 DEGREES          
REMARK 500    ASP A 266   CB  -  CG  -  OD2 ANGL. DEV. =  -6.3 DEGREES          
REMARK 500    PRO A 270   C   -  N   -  CD  ANGL. DEV. = -12.8 DEGREES          
REMARK 500    LEU A 274   CB  -  CG  -  CD2 ANGL. DEV. = -13.4 DEGREES          
REMARK 500    ARG A 300   NE  -  CZ  -  NH2 ANGL. DEV. =   3.5 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    TYR A  31       51.88   -108.24                                   
REMARK 500    ASN A  43      104.43    -59.81                                   
REMARK 500    SER A  44       18.79    -67.32                                   
REMARK 500    THR A  58     -162.92   -106.87                                   
REMARK 500    ALA A  79       80.13   -172.16                                   
REMARK 500    ASP A 114       70.04     51.59                                   
REMARK 500    ASP A 124     -144.57     56.67                                   
REMARK 500    ASP A 137       86.56   -161.89                                   
REMARK 500    LYS A 142      -32.34   -130.52                                   
REMARK 500    ASN A 148       91.61     -8.50                                   
REMARK 500    CYS A 150     -161.87   -162.11                                   
REMARK 500    PRO A 196      -10.07    -49.63                                   
REMARK 500    LEU A 263       52.94   -118.98                                   
REMARK 500    GLU A 280      109.97    -50.45                                   
REMARK 500    GLN A 292        3.03    -64.24                                   
REMARK 500    GLU A 308       -7.12    -59.04                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 700                                                                      
REMARK 700 SHEET                                                                
REMARK 700 THE HELIX AND SHEET STRUCTURES ARE SIMILAR TO THOSE IN               
REMARK 700 PROTEIN DATA BANK ENTRY 2HAD.                                        
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DCE A 600                 
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 SEQUENCE ADVISORY NOTICE:                                            
REMARK 999      DIFFERENCE BETWEEN SWISS-PROT AND PDB SEQUENCE.                 
REMARK 999                                                                      
REMARK 999      SWISS-PROT ENTRY NAME: HALO_XANAU                               
REMARK 999                                                                      
REMARK 999      SWISS-PROT RESIDUE      PDB SEQRES                              
REMARK 999                                                                      
REMARK 999        NAME   NUMBER         NAME   CHAIN  SEQ/INSERT CODE           
REMARK 999        ILE      120          LEU            120                      
REMARK 999                                                                      
REMARK 999 THE SWISS-PROT ENTRY IS IN ERROR AND THE DEPOSITORS HAVE             
REMARK 999 REQUESTED THAT THE SEQUENCE DATA BANKS MAKE THE PROPER               
REMARK 999 CORRECTIONS.                                                         
DBREF  2DHC A    1   310  UNP    P22643   DHLA_XANAU       1    310             
SEQRES   1 A  310  MET ILE ASN ALA ILE ARG THR PRO ASP GLN ARG PHE SER          
SEQRES   2 A  310  ASN LEU ASP GLN TYR PRO PHE SER PRO ASN TYR LEU ASP          
SEQRES   3 A  310  ASP LEU PRO GLY TYR PRO GLY LEU ARG ALA HIS TYR LEU          
SEQRES   4 A  310  ASP GLU GLY ASN SER ASP ALA GLU ASP VAL PHE LEU CYS          
SEQRES   5 A  310  LEU HIS GLY GLU PRO THR TRP SER TYR LEU TYR ARG LYS          
SEQRES   6 A  310  MET ILE PRO VAL PHE ALA GLU SER GLY ALA ARG VAL ILE          
SEQRES   7 A  310  ALA PRO ASP PHE PHE GLY PHE GLY LYS SER ASP LYS PRO          
SEQRES   8 A  310  VAL ASP GLU GLU ASP TYR THR PHE GLU PHE HIS ARG ASN          
SEQRES   9 A  310  PHE LEU LEU ALA LEU ILE GLU ARG LEU ASP LEU ARG ASN          
SEQRES  10 A  310  ILE THR LEU VAL VAL GLN ASP TRP GLY GLY PHE LEU GLY          
SEQRES  11 A  310  LEU THR LEU PRO MET ALA ASP PRO SER ARG PHE LYS ARG          
SEQRES  12 A  310  LEU ILE ILE MET ASN ALA CYS LEU MET THR ASP PRO VAL          
SEQRES  13 A  310  THR GLN PRO ALA PHE SER ALA PHE VAL THR GLN PRO ALA          
SEQRES  14 A  310  ASP GLY PHE THR ALA TRP LYS TYR ASP LEU VAL THR PRO          
SEQRES  15 A  310  SER ASP LEU ARG LEU ASP GLN PHE MET LYS ARG TRP ALA          
SEQRES  16 A  310  PRO THR LEU THR GLU ALA GLU ALA SER ALA TYR ALA ALA          
SEQRES  17 A  310  PRO PHE PRO ASP THR SER TYR GLN ALA GLY VAL ARG LYS          
SEQRES  18 A  310  PHE PRO LYS MET VAL ALA GLN ARG ASP GLN ALA CYS ILE          
SEQRES  19 A  310  ASP ILE SER THR GLU ALA ILE SER PHE TRP GLN ASN ASP          
SEQRES  20 A  310  TRP ASN GLY GLN THR PHE MET ALA ILE GLY MET LYS ASP          
SEQRES  21 A  310  LYS LEU LEU GLY PRO ASP VAL MET TYR PRO MET LYS ALA          
SEQRES  22 A  310  LEU ILE ASN GLY CYS PRO GLU PRO LEU GLU ILE ALA ASP          
SEQRES  23 A  310  ALA GLY HIS PHE VAL GLN GLU PHE GLY GLU GLN VAL ALA          
SEQRES  24 A  310  ARG GLU ALA LEU LYS HIS PHE ALA GLU THR GLU                  
HET    DCE  A 600       4                                                       
HETNAM     DCE 1,2-DICHLOROETHANE                                               
HETSYN     DCE ETHYLENE DICHLORIDE                                              
FORMUL   2  DCE    C2 H4 CL2                                                    
FORMUL   3  HOH   *122(H2 O)                                                    
HELIX    1  A1 SER A   60  GLU A   72  1                                  13    
HELIX    2  A2 PHE A   99  ARG A  112  1                                  14    
HELIX    3  A3 ASP A  124  GLY A  130  1                                   7    
HELIX    4  A4 PRO A  159  PHE A  164  1                                   6    
HELIX    5  A5 PHE A  172  VAL A  180  1                                   9    
HELIX    6  A6 LEU A  187  TRP A  194  1                                   8    
HELIX    7  A7 GLU A  200  ALA A  207  1                                   8    
HELIX    8  A8 THR A  213  ALA A  227  1                                  15    
HELIX    9  A9 GLN A  231  ASN A  246  1                                  16    
HELIX   10 A10 PRO A  265  LEU A  274  1                                  10    
HELIX   11 A11 VAL A  291  HIS A  305  1                                  15    
SHEET    1  S1 8 SER A  21  LEU A  25  0                                        
SHEET    2  S1 8 ALA A  36  GLU A  41 -1                                        
SHEET    3  S1 8 ARG A  76  PRO A  80 -1                                        
SHEET    4  S1 8 VAL A  49  HIS A  54  1                                        
SHEET    5  S1 8 ILE A 118  VAL A 122  1                                        
SHEET    6  S1 8 PHE A 141  MET A 147  1                                        
SHEET    7  S1 8 GLN A 251  GLY A 257  1                                        
SHEET    8  S1 8 GLU A 280  ILE A 284  1                                        
CISPEP   1 GLU A   56    PRO A   57          0        -5.64                     
CISPEP   2 GLN A  167    PRO A  168          0         2.04                     
SITE     1 AC1  8 GLU A  56  ASP A 124  TRP A 125  PHE A 128                    
SITE     2 AC1  8 TRP A 175  PRO A 223  VAL A 226  LEU A 262                    
CRYST1   94.900   72.800   41.500  90.00  90.00  90.00 P 21 21 2     4          
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      0.010537  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013736  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.024096        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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