HEADER    OXIDOREDUCTASE                          21-OCT-94   1HDC              
TITLE     MECHANISM OF INHIBITION OF 3ALPHA,20BETA-HYDROXYSTEROID DEHYDROGENASE 
TITLE    2 BY A LICORICE-DERIVED STEROIDAL INHIBITOR                            
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                                                               
REVDAT   4   07-FEB-24 1HDC    1       REMARK SEQADV                            
REVDAT   3   29-NOV-17 1HDC    1       HELIX                                    
REVDAT   2   24-FEB-09 1HDC    1       VERSN                                    
REVDAT   1   07-FEB-95 1HDC    0                                                
JRNL        AUTH   D.GHOSH,M.ERMAN,Z.WAWRZAK,W.L.DUAX,W.PANGBORN                
JRNL        TITL   MECHANISM OF INHIBITION OF 3 ALPHA, 20 BETA-HYDROXYSTEROID   
JRNL        TITL 2 DEHYDROGENASE BY A LICORICE-DERIVED STEROIDAL INHIBITOR.     
JRNL        REF    STRUCTURE                     V.   2   973 1994              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   7866748                                                      
JRNL        DOI    10.1016/S0969-2126(94)00099-9                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   D.GHOSH,M.ERMAN,W.PANGBORN,W.L.DUAX,M.E.BAKER                
REMARK   1  TITL   INHIBITION OF STREPTOMYCES HYDROGENANS                       
REMARK   1  TITL 2 3ALPHA,20BETA-HYDROXYSTEROID DEHYDROGENASE BY                
REMARK   1  TITL 3 LICORICE-DERIVED COMPOUNDS AND CRYSTALLIZATION OF AN         
REMARK   1  TITL 4 ENZYME-COFACTOR-INHIBITOR COMPLEX                            
REMARK   1  REF    J.STEROID BIOCHEM.MOL.BIOL.   V.  42   849 1992              
REMARK   1  REFN                   ISSN 0960-0760                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : NULL                                                 
REMARK   3   AUTHORS     : NULL                                                 
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : NULL                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : NULL                           
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 SET) : 0.194                           
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   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 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          : 164                                     
REMARK   3   SOLVENT ATOMS            : 26                                      
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  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.012                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.800                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : 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  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1HDC 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_1000173792.                                   
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   (%): 46.31                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,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                                                                      
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: 20300 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 29710 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -147.0 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 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     ASN A   212                                                      
REMARK 465     ASN B   212                                                      
REMARK 465     ASN C   212                                                      
REMARK 465     ASN D   212                                                      
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    LEU C 225   CA  -  CB  -  CG  ANGL. DEV. =  16.2 DEGREES          
REMARK 500    PRO C 247   C   -  N   -  CA  ANGL. DEV. =  10.1 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    SER A   5       62.11   -113.89                                   
REMARK 500    LEU A  18      -27.48    -38.43                                   
REMARK 500    ASP A  52       18.08    -61.14                                   
REMARK 500    GLU A  76      -75.80    -69.68                                   
REMARK 500    SER A  80     -175.92    174.56                                   
REMARK 500    LEU A 112      -62.48    -92.74                                   
REMARK 500    THR A 121      -70.73    -72.89                                   
REMARK 500    SER A 138     -141.73    -83.53                                   
REMARK 500    SER A 150     -109.72     27.39                                   
REMARK 500    SER A 155      -71.91    -44.86                                   
REMARK 500    THR A 172       41.24    -92.01                                   
REMARK 500    ASP A 173       15.42   -142.32                                   
REMARK 500    HIS A 181       78.53   -114.08                                   
REMARK 500    MET A 184       96.05    -50.17                                   
REMARK 500    ASN A 204       12.96    -67.16                                   
REMARK 500    SER A 230       66.78    -63.86                                   
REMARK 500    TYR A 231       -1.93    163.78                                   
REMARK 500    MET A 253      -70.20    -98.66                                   
REMARK 500    ASP B  37     -161.84   -127.10                                   
REMARK 500    LEU B  39       59.46   -100.08                                   
REMARK 500    LEU B  50        0.46    -69.65                                   
REMARK 500    GLU B  76       31.74    -83.79                                   
REMARK 500    GLU B  77      -43.49   -134.35                                   
REMARK 500    MET B  94      149.46   -173.59                                   
REMARK 500    LEU B 112      -77.16    -83.39                                   
REMARK 500    SER B 138     -142.49   -133.98                                   
REMARK 500    LEU B 148       34.70     74.54                                   
REMARK 500    SER B 150      -97.10     32.64                                   
REMARK 500    ARG B 174       30.57     73.46                                   
REMARK 500    LEU C 112      -68.44    -95.65                                   
REMARK 500    SER C 138     -130.65    -97.03                                   
REMARK 500    SER C 150     -116.45      0.61                                   
REMARK 500    MET C 184       90.20    -36.58                                   
REMARK 500    PRO C 206      -38.45    -36.30                                   
REMARK 500    SER C 229       33.57   -157.21                                   
REMARK 500    ASP C 240       20.02   -144.26                                   
REMARK 500    ARG D  16     -153.20   -111.86                                   
REMARK 500    ARG D  55      110.31   -167.84                                   
REMARK 500    PHE D  95       69.84    -66.68                                   
REMARK 500    LEU D  96      -53.96     15.48                                   
REMARK 500    SER D 138     -144.05   -102.45                                   
REMARK 500    LEU D 143      -10.29   -141.18                                   
REMARK 500    LEU D 148       19.70     81.67                                   
REMARK 500    SER D 150     -108.52      8.53                                   
REMARK 500    MET D 184      102.58    -46.02                                   
REMARK 500    GLU D 199      139.95    -36.98                                   
REMARK 500    SER D 229       43.33    -90.68                                   
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 B 251         0.09    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 CBO A 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CBO B 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CBO C 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CBO D 301                 
DBREF  1HDC A    2   255  UNP    P19992   HSD_STREX        2    255             
DBREF  1HDC B    2   255  UNP    P19992   HSD_STREX        2    255             
DBREF  1HDC C    2   255  UNP    P19992   HSD_STREX        2    255             
DBREF  1HDC D    2   255  UNP    P19992   HSD_STREX        2    255             
SEQADV 1HDC GLU A  109  UNP  P19992    ASP   109 CONFLICT                       
SEQADV 1HDC GLU B  109  UNP  P19992    ASP   109 CONFLICT                       
SEQADV 1HDC GLU C  109  UNP  P19992    ASP   109 CONFLICT                       
SEQADV 1HDC GLU D  109  UNP  P19992    ASP   109 CONFLICT                       
SEQRES   1 A  254  ASN ASP LEU SER GLY LYS THR VAL ILE ILE THR GLY GLY          
SEQRES   2 A  254  ALA ARG GLY LEU GLY ALA GLU ALA ALA ARG GLN ALA VAL          
SEQRES   3 A  254  ALA ALA GLY ALA ARG VAL VAL LEU ALA ASP VAL LEU ASP          
SEQRES   4 A  254  GLU GLU GLY ALA ALA THR ALA ARG GLU LEU GLY ASP ALA          
SEQRES   5 A  254  ALA ARG TYR GLN HIS LEU ASP VAL THR ILE GLU GLU ASP          
SEQRES   6 A  254  TRP GLN ARG VAL VAL ALA TYR ALA ARG GLU GLU PHE GLY          
SEQRES   7 A  254  SER VAL ASP GLY LEU VAL ASN ASN ALA GLY ILE SER THR          
SEQRES   8 A  254  GLY MET PHE LEU GLU THR GLU SER VAL GLU ARG PHE ARG          
SEQRES   9 A  254  LYS VAL VAL GLU ILE ASN LEU THR GLY VAL PHE ILE GLY          
SEQRES  10 A  254  MET LYS THR VAL ILE PRO ALA MET LYS ASP ALA GLY GLY          
SEQRES  11 A  254  GLY SER ILE VAL ASN ILE SER SER ALA ALA GLY LEU MET          
SEQRES  12 A  254  GLY LEU ALA LEU THR SER SER TYR GLY ALA SER LYS TRP          
SEQRES  13 A  254  GLY VAL ARG GLY LEU SER LYS LEU ALA ALA VAL GLU LEU          
SEQRES  14 A  254  GLY THR ASP ARG ILE ARG VAL ASN SER VAL HIS PRO GLY          
SEQRES  15 A  254  MET THR TYR THR PRO MET THR ALA GLU THR GLY ILE ARG          
SEQRES  16 A  254  GLN GLY GLU GLY ASN TYR PRO ASN THR PRO MET GLY ARG          
SEQRES  17 A  254  VAL GLY ASN GLU PRO GLY GLU ILE ALA GLY ALA VAL VAL          
SEQRES  18 A  254  LYS LEU LEU SER ASP THR SER SER TYR VAL THR GLY ALA          
SEQRES  19 A  254  GLU LEU ALA VAL ASP GLY GLY TRP THR THR GLY PRO THR          
SEQRES  20 A  254  VAL LYS TYR VAL MET GLY GLN                                  
SEQRES   1 B  254  ASN ASP LEU SER GLY LYS THR VAL ILE ILE THR GLY GLY          
SEQRES   2 B  254  ALA ARG GLY LEU GLY ALA GLU ALA ALA ARG GLN ALA VAL          
SEQRES   3 B  254  ALA ALA GLY ALA ARG VAL VAL LEU ALA ASP VAL LEU ASP          
SEQRES   4 B  254  GLU GLU GLY ALA ALA THR ALA ARG GLU LEU GLY ASP ALA          
SEQRES   5 B  254  ALA ARG TYR GLN HIS LEU ASP VAL THR ILE GLU GLU ASP          
SEQRES   6 B  254  TRP GLN ARG VAL VAL ALA TYR ALA ARG GLU GLU PHE GLY          
SEQRES   7 B  254  SER VAL ASP GLY LEU VAL ASN ASN ALA GLY ILE SER THR          
SEQRES   8 B  254  GLY MET PHE LEU GLU THR GLU SER VAL GLU ARG PHE ARG          
SEQRES   9 B  254  LYS VAL VAL GLU ILE ASN LEU THR GLY VAL PHE ILE GLY          
SEQRES  10 B  254  MET LYS THR VAL ILE PRO ALA MET LYS ASP ALA GLY GLY          
SEQRES  11 B  254  GLY SER ILE VAL ASN ILE SER SER ALA ALA GLY LEU MET          
SEQRES  12 B  254  GLY LEU ALA LEU THR SER SER TYR GLY ALA SER LYS TRP          
SEQRES  13 B  254  GLY VAL ARG GLY LEU SER LYS LEU ALA ALA VAL GLU LEU          
SEQRES  14 B  254  GLY THR ASP ARG ILE ARG VAL ASN SER VAL HIS PRO GLY          
SEQRES  15 B  254  MET THR TYR THR PRO MET THR ALA GLU THR GLY ILE ARG          
SEQRES  16 B  254  GLN GLY GLU GLY ASN TYR PRO ASN THR PRO MET GLY ARG          
SEQRES  17 B  254  VAL GLY ASN GLU PRO GLY GLU ILE ALA GLY ALA VAL VAL          
SEQRES  18 B  254  LYS LEU LEU SER ASP THR SER SER TYR VAL THR GLY ALA          
SEQRES  19 B  254  GLU LEU ALA VAL ASP GLY GLY TRP THR THR GLY PRO THR          
SEQRES  20 B  254  VAL LYS TYR VAL MET GLY GLN                                  
SEQRES   1 C  254  ASN ASP LEU SER GLY LYS THR VAL ILE ILE THR GLY GLY          
SEQRES   2 C  254  ALA ARG GLY LEU GLY ALA GLU ALA ALA ARG GLN ALA VAL          
SEQRES   3 C  254  ALA ALA GLY ALA ARG VAL VAL LEU ALA ASP VAL LEU ASP          
SEQRES   4 C  254  GLU GLU GLY ALA ALA THR ALA ARG GLU LEU GLY ASP ALA          
SEQRES   5 C  254  ALA ARG TYR GLN HIS LEU ASP VAL THR ILE GLU GLU ASP          
SEQRES   6 C  254  TRP GLN ARG VAL VAL ALA TYR ALA ARG GLU GLU PHE GLY          
SEQRES   7 C  254  SER VAL ASP GLY LEU VAL ASN ASN ALA GLY ILE SER THR          
SEQRES   8 C  254  GLY MET PHE LEU GLU THR GLU SER VAL GLU ARG PHE ARG          
SEQRES   9 C  254  LYS VAL VAL GLU ILE ASN LEU THR GLY VAL PHE ILE GLY          
SEQRES  10 C  254  MET LYS THR VAL ILE PRO ALA MET LYS ASP ALA GLY GLY          
SEQRES  11 C  254  GLY SER ILE VAL ASN ILE SER SER ALA ALA GLY LEU MET          
SEQRES  12 C  254  GLY LEU ALA LEU THR SER SER TYR GLY ALA SER LYS TRP          
SEQRES  13 C  254  GLY VAL ARG GLY LEU SER LYS LEU ALA ALA VAL GLU LEU          
SEQRES  14 C  254  GLY THR ASP ARG ILE ARG VAL ASN SER VAL HIS PRO GLY          
SEQRES  15 C  254  MET THR TYR THR PRO MET THR ALA GLU THR GLY ILE ARG          
SEQRES  16 C  254  GLN GLY GLU GLY ASN TYR PRO ASN THR PRO MET GLY ARG          
SEQRES  17 C  254  VAL GLY ASN GLU PRO GLY GLU ILE ALA GLY ALA VAL VAL          
SEQRES  18 C  254  LYS LEU LEU SER ASP THR SER SER TYR VAL THR GLY ALA          
SEQRES  19 C  254  GLU LEU ALA VAL ASP GLY GLY TRP THR THR GLY PRO THR          
SEQRES  20 C  254  VAL LYS TYR VAL MET GLY GLN                                  
SEQRES   1 D  254  ASN ASP LEU SER GLY LYS THR VAL ILE ILE THR GLY GLY          
SEQRES   2 D  254  ALA ARG GLY LEU GLY ALA GLU ALA ALA ARG GLN ALA VAL          
SEQRES   3 D  254  ALA ALA GLY ALA ARG VAL VAL LEU ALA ASP VAL LEU ASP          
SEQRES   4 D  254  GLU GLU GLY ALA ALA THR ALA ARG GLU LEU GLY ASP ALA          
SEQRES   5 D  254  ALA ARG TYR GLN HIS LEU ASP VAL THR ILE GLU GLU ASP          
SEQRES   6 D  254  TRP GLN ARG VAL VAL ALA TYR ALA ARG GLU GLU PHE GLY          
SEQRES   7 D  254  SER VAL ASP GLY LEU VAL ASN ASN ALA GLY ILE SER THR          
SEQRES   8 D  254  GLY MET PHE LEU GLU THR GLU SER VAL GLU ARG PHE ARG          
SEQRES   9 D  254  LYS VAL VAL GLU ILE ASN LEU THR GLY VAL PHE ILE GLY          
SEQRES  10 D  254  MET LYS THR VAL ILE PRO ALA MET LYS ASP ALA GLY GLY          
SEQRES  11 D  254  GLY SER ILE VAL ASN ILE SER SER ALA ALA GLY LEU MET          
SEQRES  12 D  254  GLY LEU ALA LEU THR SER SER TYR GLY ALA SER LYS TRP          
SEQRES  13 D  254  GLY VAL ARG GLY LEU SER LYS LEU ALA ALA VAL GLU LEU          
SEQRES  14 D  254  GLY THR ASP ARG ILE ARG VAL ASN SER VAL HIS PRO GLY          
SEQRES  15 D  254  MET THR TYR THR PRO MET THR ALA GLU THR GLY ILE ARG          
SEQRES  16 D  254  GLN GLY GLU GLY ASN TYR PRO ASN THR PRO MET GLY ARG          
SEQRES  17 D  254  VAL GLY ASN GLU PRO GLY GLU ILE ALA GLY ALA VAL VAL          
SEQRES  18 D  254  LYS LEU LEU SER ASP THR SER SER TYR VAL THR GLY ALA          
SEQRES  19 D  254  GLU LEU ALA VAL ASP GLY GLY TRP THR THR GLY PRO THR          
SEQRES  20 D  254  VAL LYS TYR VAL MET GLY GLN                                  
HET    CBO  A 301      41                                                       
HET    CBO  B 301      41                                                       
HET    CBO  C 301      41                                                       
HET    CBO  D 301      41                                                       
HETNAM     CBO CARBENOXOLONE                                                    
FORMUL   5  CBO    4(C34 H50 O7)                                                
FORMUL   9  HOH   *26(H2 O)                                                     
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 17 SER A  91  THR A  92  GLY A  93  SER A 139                    
SITE     2 AC1 17 LEU A 146  LEU A 148  THR A 149  TYR A 152                    
SITE     3 AC1 17 MET A 184  THR A 185  MET A 189  THR A 190                    
SITE     4 AC1 17 THR A 193  TRP A 243  MET B 253  SER D 100                    
SITE     5 AC1 17 ARG D 103                                                     
SITE     1 AC2 15 SER B  91  THR B  92  GLY B  93  SER B 139                    
SITE     2 AC2 15 LEU B 146  LEU B 148  TYR B 152  GLY B 183                    
SITE     3 AC2 15 THR B 185  MET B 189  THR B 190  THR B 193                    
SITE     4 AC2 15 TRP B 243  HOH B 304  SER C 100                               
SITE     1 AC3 12 THR C  92  GLY C  93  SER C 139  LEU C 148                    
SITE     2 AC3 12 THR C 149  TYR C 152  PRO C 182  MET C 184                    
SITE     3 AC3 12 THR C 185  THR C 190  THR C 193  TRP C 243                    
SITE     1 AC4 11 SER D  91  THR D  92  GLY D  93  SER D 139                    
SITE     2 AC4 11 LEU D 148  THR D 149  TYR D 152  GLY D 183                    
SITE     3 AC4 11 MET D 184  THR D 193  TRP D 243                               
CRYST1   72.050   60.040   59.840 101.78 104.41  96.31 P 1           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      0.013879  0.001535  0.004054        0.00000                         
SCALE2      0.000000  0.016757  0.004152        0.00000                         
SCALE3      0.000000  0.000000  0.017776        0.00000