HEADER    OXIDOREDUCTASE                          28-MAR-94   2HSD              
TITLE     THE REFINED THREE-DIMENSIONAL STRUCTURE OF 3ALPHA,20BETA-             
TITLE    2 HYDROXYSTEROID DEHYDROGENASE AND POSSIBLE ROLES OF THE RESIDUES      
TITLE    3 CONSERVED IN SHORT-CHAIN DEHYDROGENASES                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 3-ALPHA, 20 BETA-HYDROXYSTEROID DEHYDROGENASE;             
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 EC: 1.1.1.53;                                                        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: STREPTOMYCES EXFOLIATUS;                        
SOURCE   3 ORGANISM_TAXID: 1905                                                 
KEYWDS    OXIDOREDUCTASE                                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.GHOSH,W.L.DUAX                                                      
REVDAT   4   14-FEB-24 2HSD    1       REMARK SEQADV                            
REVDAT   3   29-NOV-17 2HSD    1       HELIX                                    
REVDAT   2   24-FEB-09 2HSD    1       VERSN                                    
REVDAT   1   31-AUG-94 2HSD    0                                                
SPRSDE     31-AUG-94 2HSD      1HSD                                             
JRNL        AUTH   D.GHOSH,Z.WAWRZAK,C.M.WEEKS,W.L.DUAX,M.ERMAN                 
JRNL        TITL   THE REFINED THREE-DIMENSIONAL STRUCTURE OF 3 ALPHA,20        
JRNL        TITL 2 BETA-HYDROXYSTEROID DEHYDROGENASE AND POSSIBLE ROLES OF THE  
JRNL        TITL 3 RESIDUES CONSERVED IN SHORT-CHAIN DEHYDROGENASES.            
JRNL        REF    STRUCTURE                     V.   2   629 1994              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   7922040                                                      
JRNL        DOI    10.1016/S0969-2126(00)00064-2                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   D.GHOSH,C.M.WEEKS,P.GROCHULSKI,W.L.DUAX,M.ERMAN,R.L.RIMSAY,  
REMARK   1  AUTH 2 J.C.ORR                                                      
REMARK   1  TITL   THREE-DIMENSIONAL STRUCTURE OF HOLO                          
REMARK   1  TITL 2 3ALPHA,20BETA-HYDROXYSTEROID DEHYDROGENASE: A MEMBER OF A    
REMARK   1  TITL 3 SHORT-CHAIN DEHYDROGENASE FAMILY                             
REMARK   1  REF    PROC.NATL.ACAD.SCI.USA        V.  88 10064 1991              
REMARK   1  REFN                   ISSN 0027-8424                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.64 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PROLSQ                                               
REMARK   3   AUTHORS     : KONNERT,HENDRICKSON                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.64                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 28327                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.188                           
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  FIT/AGREEMENT OF MODEL WITH ALL DATA.                               
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            : 7368                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 176                                     
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.012 ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : NULL  ; NULL                
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND               (A**2) : NULL  ; NULL                
REMARK   3   MAIN-CHAIN ANGLE              (A**2) : NULL  ; NULL                
REMARK   3   SIDE-CHAIN BOND               (A**2) : NULL  ; NULL                
REMARK   3   SIDE-CHAIN ANGLE              (A**2) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2HSD 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_1000178224.                                   
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: X-PLOR                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 54.99                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.73                     
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      101.90000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       53.10000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       53.10000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000      152.85000            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       53.10000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       53.10000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       50.95000            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       53.10000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       53.10000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000      152.85000            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       53.10000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       53.10000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       50.95000            
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      101.90000            
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 300 REMARK: THE TRANSFORMATION PRESENTED ON *MTRIX 1* RECORDS BELOW      
REMARK 300 WILL YIELD APPROXIMATE COORDINATES FOR CHAIN *A* WHEN                
REMARK 300 APPLIED TO CHAIN *B*.  THE TRANSFORMATION PRESENTED ON               
REMARK 300 *MTRIX 2* RECORDS BELOW WILL YIELD APPROXIMATE COORDINATES           
REMARK 300 FOR CHAIN *A* WHEN APPLIED TO CHAIN *C*.  THE                        
REMARK 300 TRANSFORMATION PRESENTED ON *MTRIX 3* RECORDS BELOW WILL             
REMARK 300 YIELD APPROXIMATE COORDINATES FOR CHAIN *A* WHEN APPLIED TO          
REMARK 300 CHAIN *D*.                                                           
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: 21000 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 29780 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -133.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
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: 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    VAL A  61      -16.01    -45.10                                   
REMARK 500    GLU A  64      -19.12    -41.92                                   
REMARK 500    LEU A 112      -70.42   -100.92                                   
REMARK 500    SER A 138     -142.72    -80.38                                   
REMARK 500    SER A 150     -101.54     23.85                                   
REMARK 500    PRO A 188      -29.49    -37.15                                   
REMARK 500    THR A 193      -38.76   -154.08                                   
REMARK 500    TYR A 202       80.02   -153.20                                   
REMARK 500    SER A 229       42.95    -98.04                                   
REMARK 500    ASP A 240       24.67   -155.69                                   
REMARK 500    ASP B  40      -70.07    -41.65                                   
REMARK 500    VAL B  61      -21.30    -38.65                                   
REMARK 500    LEU B 112      -67.64   -108.29                                   
REMARK 500    SER B 138     -152.53    -92.01                                   
REMARK 500    SER B 150     -112.60     28.28                                   
REMARK 500    TYR B 202       58.47   -149.81                                   
REMARK 500    ASP B 240       18.95   -143.68                                   
REMARK 500    MET B 253      -71.74    -97.52                                   
REMARK 500    ALA C  15      -73.97    -66.14                                   
REMARK 500    VAL C  61      -18.21    -37.80                                   
REMARK 500    ALA C  88       91.46    -67.33                                   
REMARK 500    LEU C 112      -71.01   -114.75                                   
REMARK 500    SER C 138     -150.78    -92.30                                   
REMARK 500    SER C 150     -112.55     21.20                                   
REMARK 500    THR C 193        8.21    -66.63                                   
REMARK 500    ASN C 204       28.26    -77.74                                   
REMARK 500    ASP C 240       25.53   -151.77                                   
REMARK 500    GLU D  97       -6.97    -57.18                                   
REMARK 500    LEU D 112      -67.30    -95.88                                   
REMARK 500    SER D 138     -134.75    -96.60                                   
REMARK 500    LEU D 148       -1.95     83.60                                   
REMARK 500    SER D 150     -104.52     34.43                                   
REMARK 500    ASN D 204       30.12    -71.29                                   
REMARK 500    ASP D 240       21.21   -152.78                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    TYR C 251         0.08    SIDE CHAIN                              
REMARK 500    TYR D 186         0.06    SIDE CHAIN                              
REMARK 500    TYR D 251         0.07    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAD A 256                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAD B 256                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAD C 256                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAD D 256                 
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: 2BHD_STREX                               
REMARK 999                                                                      
REMARK 999 THE FOLLOWING RESIDUES ARE MISSING FROM THE N-TERMINUS OF A          
REMARK 999 CHAINS; SEQUENCE NUMBER IS THAT FROM SWISS-PROT ENTRY                
REMARK 999        MET        1                                                  
REMARK 999                                                                      
REMARK 999 RESIDUES OF CHAIN A, B, C, AND D MISSING FROM THE ATOM LIST          
REMARK 999 SEQUENCE NUMBER IS THAT FROM SWISS-PROT ENTRY                        
REMARK 999        ASN      212                                                  
REMARK 999                                                                      
REMARK 999      SWISS-PROT RESIDUE      PDB SEQRES                              
REMARK 999                                                                      
REMARK 999        NAME   NUMBER         NAME   CHAIN  SEQ/INSERT CODE           
REMARK 999        ASP      109          GLU    A      109                       
REMARK 999        ASP      109          GLU    B      109                       
REMARK 999        ASP      109          GLU    C      109                       
REMARK 999        ASP      109          GLU    D      109                       
DBREF  2HSD A    2   255  UNP    P19992   HSD_STREX        2    255             
DBREF  2HSD B    2   255  UNP    P19992   HSD_STREX        2    255             
DBREF  2HSD C    2   255  UNP    P19992   HSD_STREX        2    255             
DBREF  2HSD D    2   255  UNP    P19992   HSD_STREX        2    255             
SEQADV 2HSD GLU A  109  UNP  P19992    ASP   109 CONFLICT                       
SEQADV 2HSD     A       UNP  P19992    ASN   212 DELETION                       
SEQADV 2HSD GLU B  109  UNP  P19992    ASP   109 CONFLICT                       
SEQADV 2HSD     B       UNP  P19992    ASN   212 DELETION                       
SEQADV 2HSD GLU C  109  UNP  P19992    ASP   109 CONFLICT                       
SEQADV 2HSD     C       UNP  P19992    ASN   212 DELETION                       
SEQADV 2HSD GLU D  109  UNP  P19992    ASP   109 CONFLICT                       
SEQADV 2HSD     D       UNP  P19992    ASN   212 DELETION                       
SEQRES   1 A  253  ASN ASP LEU SER GLY LYS THR VAL ILE ILE THR GLY GLY          
SEQRES   2 A  253  ALA ARG GLY LEU GLY ALA GLU ALA ALA ARG GLN ALA VAL          
SEQRES   3 A  253  ALA ALA GLY ALA ARG VAL VAL LEU ALA ASP VAL LEU ASP          
SEQRES   4 A  253  GLU GLU GLY ALA ALA THR ALA ARG GLU LEU GLY ASP ALA          
SEQRES   5 A  253  ALA ARG TYR GLN HIS LEU ASP VAL THR ILE GLU GLU ASP          
SEQRES   6 A  253  TRP GLN ARG VAL VAL ALA TYR ALA ARG GLU GLU PHE GLY          
SEQRES   7 A  253  SER VAL ASP GLY LEU VAL ASN ASN ALA GLY ILE SER THR          
SEQRES   8 A  253  GLY MET PHE LEU GLU THR GLU SER VAL GLU ARG PHE ARG          
SEQRES   9 A  253  LYS VAL VAL GLU ILE ASN LEU THR GLY VAL PHE ILE GLY          
SEQRES  10 A  253  MET LYS THR VAL ILE PRO ALA MET LYS ASP ALA GLY GLY          
SEQRES  11 A  253  GLY SER ILE VAL ASN ILE SER SER ALA ALA GLY LEU MET          
SEQRES  12 A  253  GLY LEU ALA LEU THR SER SER TYR GLY ALA SER LYS TRP          
SEQRES  13 A  253  GLY VAL ARG GLY LEU SER LYS LEU ALA ALA VAL GLU LEU          
SEQRES  14 A  253  GLY THR ASP ARG ILE ARG VAL ASN SER VAL HIS PRO GLY          
SEQRES  15 A  253  MET THR TYR THR PRO MET THR ALA GLU THR GLY ILE ARG          
SEQRES  16 A  253  GLN GLY GLU GLY ASN TYR PRO ASN THR PRO MET GLY ARG          
SEQRES  17 A  253  VAL GLY GLU PRO GLY GLU ILE ALA GLY ALA VAL VAL LYS          
SEQRES  18 A  253  LEU LEU SER ASP THR SER SER TYR VAL THR GLY ALA GLU          
SEQRES  19 A  253  LEU ALA VAL ASP GLY GLY TRP THR THR GLY PRO THR VAL          
SEQRES  20 A  253  LYS TYR VAL MET GLY GLN                                      
SEQRES   1 B  253  ASN ASP LEU SER GLY LYS THR VAL ILE ILE THR GLY GLY          
SEQRES   2 B  253  ALA ARG GLY LEU GLY ALA GLU ALA ALA ARG GLN ALA VAL          
SEQRES   3 B  253  ALA ALA GLY ALA ARG VAL VAL LEU ALA ASP VAL LEU ASP          
SEQRES   4 B  253  GLU GLU GLY ALA ALA THR ALA ARG GLU LEU GLY ASP ALA          
SEQRES   5 B  253  ALA ARG TYR GLN HIS LEU ASP VAL THR ILE GLU GLU ASP          
SEQRES   6 B  253  TRP GLN ARG VAL VAL ALA TYR ALA ARG GLU GLU PHE GLY          
SEQRES   7 B  253  SER VAL ASP GLY LEU VAL ASN ASN ALA GLY ILE SER THR          
SEQRES   8 B  253  GLY MET PHE LEU GLU THR GLU SER VAL GLU ARG PHE ARG          
SEQRES   9 B  253  LYS VAL VAL GLU ILE ASN LEU THR GLY VAL PHE ILE GLY          
SEQRES  10 B  253  MET LYS THR VAL ILE PRO ALA MET LYS ASP ALA GLY GLY          
SEQRES  11 B  253  GLY SER ILE VAL ASN ILE SER SER ALA ALA GLY LEU MET          
SEQRES  12 B  253  GLY LEU ALA LEU THR SER SER TYR GLY ALA SER LYS TRP          
SEQRES  13 B  253  GLY VAL ARG GLY LEU SER LYS LEU ALA ALA VAL GLU LEU          
SEQRES  14 B  253  GLY THR ASP ARG ILE ARG VAL ASN SER VAL HIS PRO GLY          
SEQRES  15 B  253  MET THR TYR THR PRO MET THR ALA GLU THR GLY ILE ARG          
SEQRES  16 B  253  GLN GLY GLU GLY ASN TYR PRO ASN THR PRO MET GLY ARG          
SEQRES  17 B  253  VAL GLY GLU PRO GLY GLU ILE ALA GLY ALA VAL VAL LYS          
SEQRES  18 B  253  LEU LEU SER ASP THR SER SER TYR VAL THR GLY ALA GLU          
SEQRES  19 B  253  LEU ALA VAL ASP GLY GLY TRP THR THR GLY PRO THR VAL          
SEQRES  20 B  253  LYS TYR VAL MET GLY GLN                                      
SEQRES   1 C  253  ASN ASP LEU SER GLY LYS THR VAL ILE ILE THR GLY GLY          
SEQRES   2 C  253  ALA ARG GLY LEU GLY ALA GLU ALA ALA ARG GLN ALA VAL          
SEQRES   3 C  253  ALA ALA GLY ALA ARG VAL VAL LEU ALA ASP VAL LEU ASP          
SEQRES   4 C  253  GLU GLU GLY ALA ALA THR ALA ARG GLU LEU GLY ASP ALA          
SEQRES   5 C  253  ALA ARG TYR GLN HIS LEU ASP VAL THR ILE GLU GLU ASP          
SEQRES   6 C  253  TRP GLN ARG VAL VAL ALA TYR ALA ARG GLU GLU PHE GLY          
SEQRES   7 C  253  SER VAL ASP GLY LEU VAL ASN ASN ALA GLY ILE SER THR          
SEQRES   8 C  253  GLY MET PHE LEU GLU THR GLU SER VAL GLU ARG PHE ARG          
SEQRES   9 C  253  LYS VAL VAL GLU ILE ASN LEU THR GLY VAL PHE ILE GLY          
SEQRES  10 C  253  MET LYS THR VAL ILE PRO ALA MET LYS ASP ALA GLY GLY          
SEQRES  11 C  253  GLY SER ILE VAL ASN ILE SER SER ALA ALA GLY LEU MET          
SEQRES  12 C  253  GLY LEU ALA LEU THR SER SER TYR GLY ALA SER LYS TRP          
SEQRES  13 C  253  GLY VAL ARG GLY LEU SER LYS LEU ALA ALA VAL GLU LEU          
SEQRES  14 C  253  GLY THR ASP ARG ILE ARG VAL ASN SER VAL HIS PRO GLY          
SEQRES  15 C  253  MET THR TYR THR PRO MET THR ALA GLU THR GLY ILE ARG          
SEQRES  16 C  253  GLN GLY GLU GLY ASN TYR PRO ASN THR PRO MET GLY ARG          
SEQRES  17 C  253  VAL GLY GLU PRO GLY GLU ILE ALA GLY ALA VAL VAL LYS          
SEQRES  18 C  253  LEU LEU SER ASP THR SER SER TYR VAL THR GLY ALA GLU          
SEQRES  19 C  253  LEU ALA VAL ASP GLY GLY TRP THR THR GLY PRO THR VAL          
SEQRES  20 C  253  LYS TYR VAL MET GLY GLN                                      
SEQRES   1 D  253  ASN ASP LEU SER GLY LYS THR VAL ILE ILE THR GLY GLY          
SEQRES   2 D  253  ALA ARG GLY LEU GLY ALA GLU ALA ALA ARG GLN ALA VAL          
SEQRES   3 D  253  ALA ALA GLY ALA ARG VAL VAL LEU ALA ASP VAL LEU ASP          
SEQRES   4 D  253  GLU GLU GLY ALA ALA THR ALA ARG GLU LEU GLY ASP ALA          
SEQRES   5 D  253  ALA ARG TYR GLN HIS LEU ASP VAL THR ILE GLU GLU ASP          
SEQRES   6 D  253  TRP GLN ARG VAL VAL ALA TYR ALA ARG GLU GLU PHE GLY          
SEQRES   7 D  253  SER VAL ASP GLY LEU VAL ASN ASN ALA GLY ILE SER THR          
SEQRES   8 D  253  GLY MET PHE LEU GLU THR GLU SER VAL GLU ARG PHE ARG          
SEQRES   9 D  253  LYS VAL VAL GLU ILE ASN LEU THR GLY VAL PHE ILE GLY          
SEQRES  10 D  253  MET LYS THR VAL ILE PRO ALA MET LYS ASP ALA GLY GLY          
SEQRES  11 D  253  GLY SER ILE VAL ASN ILE SER SER ALA ALA GLY LEU MET          
SEQRES  12 D  253  GLY LEU ALA LEU THR SER SER TYR GLY ALA SER LYS TRP          
SEQRES  13 D  253  GLY VAL ARG GLY LEU SER LYS LEU ALA ALA VAL GLU LEU          
SEQRES  14 D  253  GLY THR ASP ARG ILE ARG VAL ASN SER VAL HIS PRO GLY          
SEQRES  15 D  253  MET THR TYR THR PRO MET THR ALA GLU THR GLY ILE ARG          
SEQRES  16 D  253  GLN GLY GLU GLY ASN TYR PRO ASN THR PRO MET GLY ARG          
SEQRES  17 D  253  VAL GLY GLU PRO GLY GLU ILE ALA GLY ALA VAL VAL LYS          
SEQRES  18 D  253  LEU LEU SER ASP THR SER SER TYR VAL THR GLY ALA GLU          
SEQRES  19 D  253  LEU ALA VAL ASP GLY GLY TRP THR THR GLY PRO THR VAL          
SEQRES  20 D  253  LYS TYR VAL MET GLY GLN                                      
HET    NAD  A 256      44                                                       
HET    NAD  B 256      44                                                       
HET    NAD  C 256      44                                                       
HET    NAD  D 256      44                                                       
HETNAM     NAD NICOTINAMIDE-ADENINE-DINUCLEOTIDE                                
FORMUL   5  NAD    4(C21 H27 N7 O14 P2)                                         
HELIX    1  BA ARG A   16  ALA A   29  1                                  14    
HELIX    2  CA ASP A   40  ALA A   54  1                                  15    
HELIX    3  DA TRP A   67  GLU A   77  1                                  11    
HELIX    4  EA SER A  100  ASP A  128  1                                  29    
HELIX    5  FA SER A  150  THR A  172  1                                  23    
HELIX    6  GA MET A  189  TYR A  202  1                                  14    
HELIX    7  BB ARG B   16  ALA B   29  1                                  14    
HELIX    8  CB ASP B   40  ALA B   54  1                                  15    
HELIX    9  DB TRP B   67  GLU B   77  1                                  11    
HELIX   10  EB SER B  100  ASP B  128  1                                  29    
HELIX   11  FB SER B  150  THR B  172  1                                  23    
HELIX   12  GB MET B  189  TYR B  202  1                                  14    
HELIX   13  BC ARG C   16  ALA C   29  1                                  14    
HELIX   14  CC ASP C   40  ALA C   54  1                                  15    
HELIX   15  DC TRP C   67  GLU C   77  1                                  11    
HELIX   16  EC SER C  100  ASP C  128  1                                  29    
HELIX   17  FC SER C  150  THR C  172  1                                  23    
HELIX   18  GC MET C  189  TYR C  202  1                                  14    
HELIX   19  BD ARG D   16  ALA D   29  1                                  14    
HELIX   20  CD ASP D   40  ALA D   54  1                                  15    
HELIX   21  DD TRP D   67  GLU D   77  1                                  11    
HELIX   22  ED SER D  100  ASP D  128  1                                  29    
HELIX   23  FD SER D  150  THR D  172  1                                  23    
HELIX   24  GD MET D  189  TYR D  202  1                                  14    
SHEET    1 S1A 7 GLN A  57  THR A  62  0                                        
SHEET    2 S1A 7 GLY A  30  VAL A  38  1  N  LEU A  35   O  LEU A  59           
SHEET    3 S1A 7 GLY A   6  THR A  12  1  N  ILE A  10   O  VAL A  34           
SHEET    4 S1A 7 ASP A  82  GLY A  93  1  N  ASP A  82   O  LYS A   7           
SHEET    5 S1A 7 GLY A 130  SER A 139  1  N  VAL A 135   O  LEU A  84           
SHEET    6 S1A 7 ARG A 174  GLY A 183  1  O  ARG A 174   N  GLY A 132           
SHEET    7 S1A 7 GLY A 234  ALA A 238  1  N  LEU A 237   O  SER A 179           
SHEET    1 S1B 7 GLN B  57  THR B  62  0                                        
SHEET    2 S1B 7 GLY B  30  VAL B  38  1  N  LEU B  35   O  LEU B  59           
SHEET    3 S1B 7 GLY B   6  THR B  12  1  N  ILE B  10   O  VAL B  34           
SHEET    4 S1B 7 ASP B  82  GLY B  93  1  N  ASP B  82   O  LYS B   7           
SHEET    5 S1B 7 GLY B 130  SER B 139  1  N  VAL B 135   O  LEU B  84           
SHEET    6 S1B 7 ARG B 174  GLY B 183  1  O  ARG B 174   N  GLY B 132           
SHEET    7 S1B 7 GLY B 234  ALA B 238  1  N  LEU B 237   O  SER B 179           
SHEET    1 S1C 7 GLN C  57  THR C  62  0                                        
SHEET    2 S1C 7 GLY C  30  VAL C  38  1  N  LEU C  35   O  LEU C  59           
SHEET    3 S1C 7 GLY C   6  THR C  12  1  N  ILE C  10   O  VAL C  34           
SHEET    4 S1C 7 ASP C  82  GLY C  93  1  N  ASP C  82   O  LYS C   7           
SHEET    5 S1C 7 GLY C 130  SER C 139  1  N  VAL C 135   O  LEU C  84           
SHEET    6 S1C 7 ARG C 174  GLY C 183  1  O  ARG C 174   N  GLY C 132           
SHEET    7 S1C 7 GLY C 234  ALA C 238  1  N  LEU C 237   O  SER C 179           
SHEET    1 S1D 7 GLN D  57  THR D  62  0                                        
SHEET    2 S1D 7 GLY D  30  VAL D  38  1  N  LEU D  35   O  LEU D  59           
SHEET    3 S1D 7 GLY D   6  THR D  12  1  N  ILE D  10   O  VAL D  34           
SHEET    4 S1D 7 ASP D  82  GLY D  93  1  N  ASP D  82   O  LYS D   7           
SHEET    5 S1D 7 GLY D 130  SER D 139  1  N  VAL D 135   O  LEU D  84           
SHEET    6 S1D 7 ARG D 174  GLY D 183  1  O  ARG D 174   N  GLY D 132           
SHEET    7 S1D 7 GLY D 234  ALA D 238  1  N  LEU D 237   O  SER D 179           
SITE     1 AC1 22 GLY A  13  ARG A  16  GLY A  17  LEU A  18                    
SITE     2 AC1 22 GLY A  19  ASP A  37  VAL A  38  LEU A  39                    
SITE     3 AC1 22 LEU A  59  ASP A  60  VAL A  61  ASN A  87                    
SITE     4 AC1 22 ALA A  88  GLY A  89  ILE A 137  SER A 138                    
SITE     5 AC1 22 SER A 139  TYR A 152  LYS A 156  PRO A 182                    
SITE     6 AC1 22 GLY A 183  THR A 185                                          
SITE     1 AC2 22 GLY B  13  ARG B  16  GLY B  17  LEU B  18                    
SITE     2 AC2 22 ASP B  37  VAL B  38  LEU B  39  LEU B  59                    
SITE     3 AC2 22 ASP B  60  VAL B  61  ASN B  87  ALA B  88                    
SITE     4 AC2 22 GLY B  89  ILE B 110  ILE B 137  SER B 139                    
SITE     5 AC2 22 TYR B 152  LYS B 156  PRO B 182  GLY B 183                    
SITE     6 AC2 22 THR B 185  THR B 190                                          
SITE     1 AC3 18 GLY C  13  ARG C  16  LEU C  18  ASP C  37                    
SITE     2 AC3 18 LEU C  39  LEU C  59  ASP C  60  VAL C  61                    
SITE     3 AC3 18 ASN C  87  ALA C  88  GLY C  89  ILE C 110                    
SITE     4 AC3 18 ILE C 137  SER C 138  SER C 139  TYR C 152                    
SITE     5 AC3 18 LYS C 156  PRO C 182                                          
SITE     1 AC4 18 ARG D  16  GLY D  17  LEU D  18  ASP D  37                    
SITE     2 AC4 18 VAL D  38  LEU D  39  LEU D  59  ASP D  60                    
SITE     3 AC4 18 VAL D  61  ASN D  87  ALA D  88  GLY D  89                    
SITE     4 AC4 18 TYR D 152  LYS D 156  GLY D 183  THR D 187                    
SITE     5 AC4 18 MET D 189  THR D 190                                          
CRYST1  106.200  106.200  203.800  90.00  90.00  90.00 P 43 21 2    32          
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      0.009416  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009416  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.004907        0.00000                         
MTRIX1   1 -0.583310  0.791260 -0.183450      141.11292    1                    
MTRIX2   1  0.791840  0.503640 -0.345440      -43.24774    1                    
MTRIX3   1 -0.180940 -0.346760 -0.920340      134.86388    1                    
MTRIX1   2 -0.385750 -0.494910 -0.778630      154.58894    1                    
MTRIX2   2 -0.500820 -0.596450  0.627240      -12.61260    1                    
MTRIX3   2 -0.774840  0.631910 -0.017780      130.38321    1                    
MTRIX1   3 -0.033080 -0.292370  0.955730       17.27120    1                    
MTRIX2   3 -0.294670 -0.910900 -0.288860       27.73076    1                    
MTRIX3   3  0.955030 -0.291180 -0.056020       -8.88892    1