HEADER    TRANSCRIPTION                           05-JAN-15   4XHD              
TITLE     STRUCTURE OF HUMAN PREGNANE X RECEPTOR LIGAND BINDING DOMAIN WITH     
TITLE    2 COMPOUND-1                                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: NUCLEAR RECEPTOR SUBFAMILY 1 GROUP I MEMBER 2;             
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: ORPHAN NUCLEAR RECEPTOR PAR1,ORPHAN NUCLEAR RECEPTOR PXR,   
COMPND   5 PREGNANE X RECEPTOR,STEROID AND XENOBIOTIC RECEPTOR,SXR;             
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: NR1I2, PXR;                                                    
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PCO7                                      
KEYWDS    PREGNANE X RECEPTOR, PXR, LIGAND BINDING DOMAIN, STEROID RECEPTOR     
KEYWDS   2 COACTIVATOR-1; CCR1, CHEMOKINE RECEPTOR-1; ADNECTIN NR, NUCLEAR      
KEYWDS   3 RECEPTOR; AF, ACTIVATION FUNCTION; CYP, CYTOCHROME P450; MDR1,       
KEYWDS   4 MULTI-DRUG RESISTANCE GENE-1., TRANSCRIPTION                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.A.KHAN,D.M.CAMAC                                                    
REVDAT   4   28-FEB-24 4XHD    1       JRNL   REMARK                            
REVDAT   3   30-SEP-15 4XHD    1       JRNL                                     
REVDAT   2   25-FEB-15 4XHD    1       JRNL                                     
REVDAT   1   28-JAN-15 4XHD    0                                                
JRNL        AUTH   J.A.KHAN,D.M.CAMAC,S.LOW,A.J.TEBBEN,D.L.WENSEL,M.C.WRIGHT,   
JRNL        AUTH 2 J.SU,V.JENNY,R.D.GUPTA,M.RUZANOV,K.A.RUSSO,A.BELL,Y.AN,      
JRNL        AUTH 3 J.W.BRYSON,M.GAO,P.GAMBHIRE,E.T.BALDWIN,D.GARDNER,           
JRNL        AUTH 4 C.L.CAVALLARO,J.V.DUNCIA,J.HYNES                             
JRNL        TITL   DEVELOPING ADNECTINS THAT TARGET SRC CO-ACTIVATOR BINDING TO 
JRNL        TITL 2 PXR: A STRUCTURAL APPROACH TOWARD UNDERSTANDING PROMISCUITY  
JRNL        TITL 3 OF PXR.                                                      
JRNL        REF    J.MOL.BIOL.                   V. 427   924 2015              
JRNL        REFN                   ESSN 1089-8638                               
JRNL        PMID   25579995                                                     
JRNL        DOI    10.1016/J.JMB.2014.12.022                                    
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   D.S.GARDNER,J.B.SANTELLA,J.V.DUNCIA,P.H.CARTER,T.G.DHAR,     
REMARK   1  AUTH 2 H.WU,W.GUO,C.CAVALLARO,K.VAN KIRK,M.YARDE,S.W.BRICENO,       
REMARK   1  AUTH 3 R.R.GRAFSTROM,R.LIU,S.R.PATEL,A.J.TEBBEN,D.CAMAC,J.KHAN,     
REMARK   1  AUTH 4 A.WATSON,G.YANG,A.ROSE,W.R.FOSTER,M.E.CVIJIC,P.DAVIES,       
REMARK   1  AUTH 5 J.HYNES                                                      
REMARK   1  TITL   THE DISCOVERY OF BMS-457, A POTENT AND SELECTIVE CCR1        
REMARK   1  TITL 2 ANTAGONIST.                                                  
REMARK   1  REF    BIOORG.MED.CHEM.LETT.         V.  23  3833 2013              
REMARK   1  REFN                   ESSN 1464-3405                               
REMARK   1  PMID   23707259                                                     
REMARK   1  DOI    10.1016/J.BMCL.2013.04.079                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.40 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : BUSTER-TNT BUSTER 2.11.2                             
REMARK   3   AUTHORS     : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER,              
REMARK   3               : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN,              
REMARK   3               : WOMACK,MATTHEWS,TEN EYCK,TRONRUD                     
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 45.74                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 14643                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD           : THROUGHOUT                     
REMARK   3   FREE R VALUE TEST SET SELECTION   : RANDOM                         
REMARK   3   R VALUE     (WORKING + TEST SET)  : 0.200                          
REMARK   3   R VALUE            (WORKING SET)  : 0.198                          
REMARK   3   FREE R VALUE                      : 0.242                          
REMARK   3   FREE R VALUE TEST SET SIZE   (%)  : 5.030                          
REMARK   3   FREE R VALUE TEST SET COUNT       : 737                            
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               : 7                        
REMARK   3   BIN RESOLUTION RANGE HIGH   (ANGSTROMS) : 2.40                     
REMARK   3   BIN RESOLUTION RANGE LOW    (ANGSTROMS) : 2.59                     
REMARK   3   BIN COMPLETENESS (WORKING+TEST)     (%) : 99.34                    
REMARK   3   REFLECTIONS IN BIN (WORKING + TEST SET) : 2944                     
REMARK   3   BIN R VALUE        (WORKING + TEST SET) : 0.2208                   
REMARK   3   REFLECTIONS IN BIN        (WORKING SET) : 2775                     
REMARK   3   BIN R VALUE               (WORKING SET) : 0.2190                   
REMARK   3   BIN FREE R VALUE                        : 0.2511                   
REMARK   3   BIN FREE R VALUE TEST SET SIZE      (%) : 5.74                     
REMARK   3   BIN FREE R VALUE TEST SET COUNT         : 169                      
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            : 2176                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 35                                      
REMARK   3   SOLVENT ATOMS            : 68                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 49.61                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 45.08                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.36110                                             
REMARK   3    B22 (A**2) : -1.36110                                             
REMARK   3    B33 (A**2) : 2.72220                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT                    (A) : 0.291               
REMARK   3   DPI (BLOW EQ-10) BASED ON R VALUE        (A) : 0.321               
REMARK   3   DPI (BLOW EQ-9) BASED ON FREE R VALUE    (A) : 0.231               
REMARK   3   DPI (CRUICKSHANK) BASED ON R VALUE       (A) : 0.304               
REMARK   3   DPI (CRUICKSHANK) BASED ON FREE R VALUE  (A) : 0.228               
REMARK   3                                                                      
REMARK   3   REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797                
REMARK   3               CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601     
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.939                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.918                         
REMARK   3                                                                      
REMARK   3   NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15                    
REMARK   3   TERM                          COUNT    WEIGHT   FUNCTION.          
REMARK   3    BOND LENGTHS              : 2265   ; 2.000  ; HARMONIC            
REMARK   3    BOND ANGLES               : 3056   ; 2.000  ; HARMONIC            
REMARK   3    TORSION ANGLES            : 818    ; 2.000  ; SINUSOIDAL          
REMARK   3    TRIGONAL CARBON PLANES    : 55     ; 2.000  ; HARMONIC            
REMARK   3    GENERAL PLANES            : 329    ; 5.000  ; HARMONIC            
REMARK   3    ISOTROPIC THERMAL FACTORS : 2265   ; 20.000 ; HARMONIC            
REMARK   3    BAD NON-BONDED CONTACTS   : NULL   ; NULL   ; NULL                
REMARK   3    IMPROPER TORSIONS         : NULL   ; NULL   ; NULL                
REMARK   3    PSEUDOROTATION ANGLES     : NULL   ; NULL   ; NULL                
REMARK   3    CHIRAL IMPROPER TORSION   : 283    ; 5.000  ; SEMIHARMONIC        
REMARK   3    SUM OF OCCUPANCIES        : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY DISTANCES         : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY ANGLES            : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY TORSION           : NULL   ; NULL   ; NULL                
REMARK   3    IDEAL-DIST CONTACT TERM   : 2674   ; 4.000  ; SEMIHARMONIC        
REMARK   3                                                                      
REMARK   3   RMS DEVIATIONS FROM IDEAL VALUES.                                  
REMARK   3    BOND LENGTHS                       (A) : 0.010                    
REMARK   3    BOND ANGLES                  (DEGREES) : 1.07                     
REMARK   3    PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 2.68                     
REMARK   3    OTHER TORSION ANGLES         (DEGREES) : 18.80                    
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 4XHD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-JAN-15.                  
REMARK 100 THE DEPOSITION ID IS D_1000205689.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 07-APR-08                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 7.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 17-BM                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MAR CCD 165 MM                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 14661                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.3                               
REMARK 200  DATA REDUNDANCY                : 10.40                              
REMARK 200  R MERGE                    (I) : 0.10100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 20.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.49                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 10.60                              
REMARK 200  R MERGE FOR SHELL          (I) : 0.68500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.22                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.47                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M IMIDAZOLE PH 7.8, 8                 
REMARK 280  -10%(V/V)ISOPROPANOL. APO CRYSTAL WAS SOAKED WITH 5 MM COMPOUND     
REMARK 280  1 AND CRYSTALS HARVESTED NEXT DAY USING 32% ETHYLENE GLYCOL AS      
REMARK 280  CRYOPROTECTANT, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K     
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       42.78200            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       45.73800            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       45.73800            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       64.17300            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       45.73800            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       45.73800            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       21.39100            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       45.73800            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       45.73800            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       64.17300            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       45.73800            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       45.73800            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       21.39100            
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       42.78200            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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: CHAINS A                                                     
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2480 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 25810 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -13.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      -42.78200            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A   120                                                      
REMARK 465     LYS A   121                                                      
REMARK 465     LYS A   122                                                      
REMARK 465     HIS A   123                                                      
REMARK 465     HIS A   124                                                      
REMARK 465     HIS A   125                                                      
REMARK 465     HIS A   126                                                      
REMARK 465     HIS A   127                                                      
REMARK 465     HIS A   128                                                      
REMARK 465     GLY A   129                                                      
REMARK 465     SER A   130                                                      
REMARK 465     GLU A   131                                                      
REMARK 465     ARG A   132                                                      
REMARK 465     THR A   133                                                      
REMARK 465     GLY A   134                                                      
REMARK 465     THR A   135                                                      
REMARK 465     GLN A   136                                                      
REMARK 465     PRO A   137                                                      
REMARK 465     LEU A   138                                                      
REMARK 465     GLY A   139                                                      
REMARK 465     VAL A   140                                                      
REMARK 465     GLN A   141                                                      
REMARK 465     SER A   179                                                      
REMARK 465     SER A   180                                                      
REMARK 465     GLY A   181                                                      
REMARK 465     CYS A   182                                                      
REMARK 465     GLU A   183                                                      
REMARK 465     LEU A   184                                                      
REMARK 465     PRO A   185                                                      
REMARK 465     GLU A   186                                                      
REMARK 465     SER A   187                                                      
REMARK 465     LEU A   188                                                      
REMARK 465     GLN A   189                                                      
REMARK 465     ALA A   190                                                      
REMARK 465     PRO A   191                                                      
REMARK 465     SER A   192                                                      
REMARK 465     ARG A   193                                                      
REMARK 465     GLU A   194                                                      
REMARK 465     GLU A   195                                                      
REMARK 465     ALA A   196                                                      
REMARK 465     ASP A   310                                                      
REMARK 465     THR A   311                                                      
REMARK 465     ALA A   312                                                      
REMARK 465     GLY A   313                                                      
REMARK 465     THR A   432                                                      
REMARK 465     GLY A   433                                                      
REMARK 465     SER A   434                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     LYS A 170    CE   NZ                                             
REMARK 470     LYS A 210    CE   NZ                                             
REMARK 470     HIS A 359    CG   ND1  CD2  CE1  NE2                             
REMARK 470     ARG A 360    CD   NE   CZ   NH1  NH2                             
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    GLY A 233   N   -  CA  -  C   ANGL. DEV. =  38.0 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 231       50.42   -143.73                                   
REMARK 500    GLU A 235      -30.83    -38.35                                   
REMARK 500    CYS A 301       65.49   -102.46                                   
REMARK 500    PHE A 315     -113.99     67.41                                   
REMARK 500    PHE A 349       59.15    -92.58                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 SER A  231     GLY A  232                 -115.97                    
REMARK 500 GLY A  232     GLY A  233                  118.01                    
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 GOL A 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue 40U A 502                 
DBREF  4XHD A  130   434  UNP    O75469   NR1I2_HUMAN    153    457             
SEQADV 4XHD MET A  120  UNP  O75469              INITIATING METHIONINE          
SEQADV 4XHD LYS A  121  UNP  O75469              EXPRESSION TAG                 
SEQADV 4XHD LYS A  122  UNP  O75469              EXPRESSION TAG                 
SEQADV 4XHD HIS A  123  UNP  O75469              EXPRESSION TAG                 
SEQADV 4XHD HIS A  124  UNP  O75469              EXPRESSION TAG                 
SEQADV 4XHD HIS A  125  UNP  O75469              EXPRESSION TAG                 
SEQADV 4XHD HIS A  126  UNP  O75469              EXPRESSION TAG                 
SEQADV 4XHD HIS A  127  UNP  O75469              EXPRESSION TAG                 
SEQADV 4XHD HIS A  128  UNP  O75469              EXPRESSION TAG                 
SEQADV 4XHD GLY A  129  UNP  O75469              EXPRESSION TAG                 
SEQRES   1 A  315  MET LYS LYS HIS HIS HIS HIS HIS HIS GLY SER GLU ARG          
SEQRES   2 A  315  THR GLY THR GLN PRO LEU GLY VAL GLN GLY LEU THR GLU          
SEQRES   3 A  315  GLU GLN ARG MET MET ILE ARG GLU LEU MET ASP ALA GLN          
SEQRES   4 A  315  MET LYS THR PHE ASP THR THR PHE SER HIS PHE LYS ASN          
SEQRES   5 A  315  PHE ARG LEU PRO GLY VAL LEU SER SER GLY CYS GLU LEU          
SEQRES   6 A  315  PRO GLU SER LEU GLN ALA PRO SER ARG GLU GLU ALA ALA          
SEQRES   7 A  315  LYS TRP SER GLN VAL ARG LYS ASP LEU CYS SER LEU LYS          
SEQRES   8 A  315  VAL SER LEU GLN LEU ARG GLY GLU ASP GLY SER VAL TRP          
SEQRES   9 A  315  ASN TYR LYS PRO PRO ALA ASP SER GLY GLY LYS GLU ILE          
SEQRES  10 A  315  PHE SER LEU LEU PRO HIS MET ALA ASP MET SER THR TYR          
SEQRES  11 A  315  MET PHE LYS GLY ILE ILE SER PHE ALA LYS VAL ILE SER          
SEQRES  12 A  315  TYR PHE ARG ASP LEU PRO ILE GLU ASP GLN ILE SER LEU          
SEQRES  13 A  315  LEU LYS GLY ALA ALA PHE GLU LEU CYS GLN LEU ARG PHE          
SEQRES  14 A  315  ASN THR VAL PHE ASN ALA GLU THR GLY THR TRP GLU CYS          
SEQRES  15 A  315  GLY ARG LEU SER TYR CYS LEU GLU ASP THR ALA GLY GLY          
SEQRES  16 A  315  PHE GLN GLN LEU LEU LEU GLU PRO MET LEU LYS PHE HIS          
SEQRES  17 A  315  TYR MET LEU LYS LYS LEU GLN LEU HIS GLU GLU GLU TYR          
SEQRES  18 A  315  VAL LEU MET GLN ALA ILE SER LEU PHE SER PRO ASP ARG          
SEQRES  19 A  315  PRO GLY VAL LEU GLN HIS ARG VAL VAL ASP GLN LEU GLN          
SEQRES  20 A  315  GLU GLN PHE ALA ILE THR LEU LYS SER TYR ILE GLU CYS          
SEQRES  21 A  315  ASN ARG PRO GLN PRO ALA HIS ARG PHE LEU PHE LEU LYS          
SEQRES  22 A  315  ILE MET ALA MET LEU THR GLU LEU ARG SER ILE ASN ALA          
SEQRES  23 A  315  GLN HIS THR GLN ARG LEU LEU ARG ILE GLN ASP ILE HIS          
SEQRES  24 A  315  PRO PHE ALA THR PRO LEU MET GLN GLU LEU PHE GLY ILE          
SEQRES  25 A  315  THR GLY SER                                                  
HET    GOL  A 501       6                                                       
HET    40U  A 502      29                                                       
HETNAM     GOL GLYCEROL                                                         
HETNAM     40U N-{(2R)-1-[(4S)-4-(4-CHLOROPHENYL)-4-HYDROXY-3,3-                
HETNAM   2 40U  DIMETHYLPIPERIDIN-1-YL]-3-METHYL-1-OXOBUTAN-2-YL}-2-            
HETNAM   3 40U  CYCLOPROPYLACETAMIDE                                            
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   2  GOL    C3 H8 O3                                                     
FORMUL   3  40U    C23 H33 CL N2 O3                                             
FORMUL   4  HOH   *68(H2 O)                                                     
HELIX    1 AA1 THR A  144  PHE A  162  1                                  19    
HELIX    2 AA2 LYS A  198  SER A  208  1                                  11    
HELIX    3 AA3 GLY A  233  SER A  238  5                                   6    
HELIX    4 AA4 LEU A  239  ILE A  261  1                                  23    
HELIX    5 AA5 ILE A  261  ASP A  266  1                                   6    
HELIX    6 AA6 PRO A  268  THR A  290  1                                  23    
HELIX    7 AA7 GLU A  321  LEU A  333  1                                  13    
HELIX    8 AA8 HIS A  336  PHE A  349  1                                  14    
HELIX    9 AA9 GLN A  358  ARG A  381  1                                  24    
HELIX   10 AB1 GLN A  383  ARG A  387  5                                   5    
HELIX   11 AB2 PHE A  388  HIS A  418  1                                  31    
HELIX   12 AB3 THR A  422  PHE A  429  1                                   8    
SHEET    1 AA1 5 VAL A 222  TYR A 225  0                                        
SHEET    2 AA1 5 VAL A 211  ARG A 216 -1  N  LEU A 213   O  TYR A 225           
SHEET    3 AA1 5 LEU A 304  LEU A 308 -1  O  CYS A 307   N  SER A 212           
SHEET    4 AA1 5 THR A 298  CYS A 301 -1  N  TRP A 299   O  TYR A 306           
SHEET    5 AA1 5 PHE A 292  ASN A 293 -1  N  ASN A 293   O  THR A 298           
SITE     1 AC1  8 THR A 161  ASP A 163  PHE A 166  TYR A 249                    
SITE     2 AC1  8 MET A 250  GLY A 253  ARG A 287  HOH A 664                    
SITE     1 AC2 11 VAL A 211  MET A 243  GLN A 285  PHE A 288                    
SITE     2 AC2 11 TRP A 299  TYR A 306  MET A 323  HIS A 407                    
SITE     3 AC2 11 PHE A 420  HOH A 624  HOH A 656                               
CRYST1   91.476   91.476   85.564  90.00  90.00  90.00 P 43 21 2     8          
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      0.010932  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010932  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011687        0.00000