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Database: PDB
Entry: 1XAP
LinkDB: 1XAP
Original site: 1XAP 
HEADER    TRANSCRIPTION                           26-AUG-04   1XAP              
TITLE     STRUCTURE OF THE LIGAND BINDING DOMAIN OF THE RETINOIC ACID RECEPTOR  
TITLE    2 BETA                                                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: RETINOIC ACID RECEPTOR BETA;                               
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: LIGAND BINDING DOMAIN;                                     
COMPND   5 SYNONYM: RAR-BETA, RAR-EPSILON, HBV-ACTIVATED PROTEIN;               
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 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21DE3;                                   
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET15B                                    
KEYWDS    NUCLEAR RECEPTOR, LIGAND BINDING DOMAIN, RETINOIC ACID RECEPTOR BETA, 
KEYWDS   2 TTNPB, TRANSCRIPTION                                                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    P.GERMAIN,S.KAMMERER,C.PELUSO-ILTIS,D.TORTOLANI,F.C.ZUSI,J.STARRETT,  
AUTHOR   2 P.LAPOINTE,J.P.DARIS,A.MARINIER,A.R.DE LERA,N.ROCHEL,H.GRONEMEYER    
REVDAT   6   25-OCT-23 1XAP    1       REMARK SEQADV                            
REVDAT   5   28-DEC-16 1XAP    1       TITLE  VERSN                             
REVDAT   4   24-FEB-09 1XAP    1       VERSN                                    
REVDAT   3   26-SEP-06 1XAP    1       AUTHOR                                   
REVDAT   2   19-SEP-06 1XAP    1       JRNL   AUTHOR                            
REVDAT   1   16-NOV-04 1XAP    0                                                
JRNL        AUTH   P.GERMAIN,S.KAMMERER,E.PEREZ,C.PELUSO-ILTIS,D.TORTOLANI,     
JRNL        AUTH 2 F.C.ZUSI,J.STARRETT,P.LAPOINTE,J.P.DARIS,A.MARINIER,         
JRNL        AUTH 3 A.R.DE LERA,N.ROCHEL,H.GRONEMEYER                            
JRNL        TITL   RATIONAL DESIGN OF RAR-SELECTIVE LIGANDS REVEALED BY RARBETA 
JRNL        TITL 2 CRYSTAL STRUCTURE                                            
JRNL        REF    EMBO REP.                     V.   5   877 2004              
JRNL        REFN                   ISSN 1469-221X                               
JRNL        PMID   15319780                                                     
JRNL        DOI    10.1038/SJ.EMBOR.7400235                                     
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 9.7                            
REMARK   3   NUMBER OF REFLECTIONS             : 14703                          
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 SET) : 0.213                           
REMARK   3   FREE R VALUE                     : 0.253                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 1460                            
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) : 2.10                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.17                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 74.90                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2100                       
REMARK   3   BIN FREE R VALUE                    : 0.2600                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 127                          
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            : 1831                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 26                                      
REMARK   3   SOLVENT ATOMS            : 115                                     
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) : 0.31                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.24                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.31                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.24                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.136                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 18.99                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.753                           
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  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : 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 1XAP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 15-SEP-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000030146.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-NOV-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SLS                                
REMARK 200  BEAMLINE                       : X06SA                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.8856                             
REMARK 200  MONOCHROMATOR                  : SAGITALLY FOCUSED SI(111)          
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 14703                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.7                               
REMARK 200  DATA REDUNDANCY                : 3.900                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.05200                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 35.2800                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.17                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.90                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.27100                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: PDB ENTRY 3LBD                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 37.05                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, POTASSIUM CHLORIDE,            
REMARK 280  MAGNESIUM CHLORIDE, MES, PH 5.6, VAPOR DIFFUSION, SITTING DROP,     
REMARK 280  TEMPERATURE 290K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       23.63800            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       45.14450            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       28.90400            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       45.14450            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       23.63800            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       28.90400            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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   148                                                      
REMARK 465     GLY A   149                                                      
REMARK 465     SER A   150                                                      
REMARK 465     SER A   151                                                      
REMARK 465     HIS A   152                                                      
REMARK 465     HIS A   153                                                      
REMARK 465     HIS A   154                                                      
REMARK 465     HIS A   155                                                      
REMARK 465     HIS A   156                                                      
REMARK 465     HIS A   157                                                      
REMARK 465     SER A   158                                                      
REMARK 465     SER A   159                                                      
REMARK 465     GLY A   160                                                      
REMARK 465     LEU A   161                                                      
REMARK 465     VAL A   162                                                      
REMARK 465     PRO A   163                                                      
REMARK 465     ARG A   164                                                      
REMARK 465     GLY A   165                                                      
REMARK 465     SER A   166                                                      
REMARK 465     HIS A   167                                                      
REMARK 465     MET A   168                                                      
REMARK 465     GLU A   169                                                      
REMARK 465     SER A   170                                                      
REMARK 465     TYR A   171                                                      
REMARK 465     GLU A   172                                                      
REMARK 465     MET A   173                                                      
REMARK 465     THR A   174                                                      
REMARK 465     SER A   362                                                      
REMARK 465     LYS A   363                                                      
REMARK 465     PRO A   364                                                      
REMARK 465     SER A   410                                                      
REMARK 465     GLU A   411                                                      
REMARK 465     GLY A   412                                                      
REMARK 465     HIS A   413                                                      
REMARK 465     GLU A   414                                                      
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     GLU A 176    CG   CD   OE1  OE2                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   NH2  ARG A   360     CB   MET A   366              1.02            
REMARK 500   NH2  ARG A   360     CG   MET A   366              1.92            
REMARK 500   CZ   ARG A   360     CG   MET A   366              2.12            
REMARK 500   CZ   ARG A   360     CB   MET A   366              2.13            
REMARK 500   NH2  ARG A   360     CA   MET A   366              2.18            
REMARK 500   NE   ARG A   360     CG   MET A   366              2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A 360   NE  -  CZ  -  NH2 ANGL. DEV. =   3.7 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 206       42.64     37.61                                   
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 TTB A 1                   
DBREF  1XAP A  169   414  UNP    P10826   RARB_HUMAN     176    421             
SEQADV 1XAP MET A  148  UNP  P10826              EXPRESSION TAG                 
SEQADV 1XAP GLY A  149  UNP  P10826              EXPRESSION TAG                 
SEQADV 1XAP SER A  150  UNP  P10826              EXPRESSION TAG                 
SEQADV 1XAP SER A  151  UNP  P10826              EXPRESSION TAG                 
SEQADV 1XAP HIS A  152  UNP  P10826              EXPRESSION TAG                 
SEQADV 1XAP HIS A  153  UNP  P10826              EXPRESSION TAG                 
SEQADV 1XAP HIS A  154  UNP  P10826              EXPRESSION TAG                 
SEQADV 1XAP HIS A  155  UNP  P10826              EXPRESSION TAG                 
SEQADV 1XAP HIS A  156  UNP  P10826              EXPRESSION TAG                 
SEQADV 1XAP HIS A  157  UNP  P10826              EXPRESSION TAG                 
SEQADV 1XAP SER A  158  UNP  P10826              EXPRESSION TAG                 
SEQADV 1XAP SER A  159  UNP  P10826              EXPRESSION TAG                 
SEQADV 1XAP GLY A  160  UNP  P10826              EXPRESSION TAG                 
SEQADV 1XAP LEU A  161  UNP  P10826              EXPRESSION TAG                 
SEQADV 1XAP VAL A  162  UNP  P10826              EXPRESSION TAG                 
SEQADV 1XAP PRO A  163  UNP  P10826              EXPRESSION TAG                 
SEQADV 1XAP ARG A  164  UNP  P10826              EXPRESSION TAG                 
SEQADV 1XAP GLY A  165  UNP  P10826              EXPRESSION TAG                 
SEQADV 1XAP SER A  166  UNP  P10826              EXPRESSION TAG                 
SEQADV 1XAP HIS A  167  UNP  P10826              EXPRESSION TAG                 
SEQADV 1XAP MET A  168  UNP  P10826              EXPRESSION TAG                 
SEQRES   1 A  267  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  267  LEU VAL PRO ARG GLY SER HIS MET GLU SER TYR GLU MET          
SEQRES   3 A  267  THR ALA GLU LEU ASP ASP LEU THR GLU LYS ILE ARG LYS          
SEQRES   4 A  267  ALA HIS GLN GLU THR PHE PRO SER LEU CYS GLN LEU GLY          
SEQRES   5 A  267  LYS TYR THR THR ASN SER SER ALA ASP HIS ARG VAL ARG          
SEQRES   6 A  267  LEU ASP LEU GLY LEU TRP ASP LYS PHE SER GLU LEU ALA          
SEQRES   7 A  267  THR LYS CYS ILE ILE LYS ILE VAL GLU PHE ALA LYS ARG          
SEQRES   8 A  267  LEU PRO GLY PHE THR GLY LEU THR ILE ALA ASP GLN ILE          
SEQRES   9 A  267  THR LEU LEU LYS ALA ALA CYS LEU ASP ILE LEU ILE LEU          
SEQRES  10 A  267  ARG ILE CYS THR ARG TYR THR PRO GLU GLN ASP THR MET          
SEQRES  11 A  267  THR PHE SER ASP GLY LEU THR LEU ASN ARG THR GLN MET          
SEQRES  12 A  267  HIS ASN ALA GLY PHE GLY PRO LEU THR ASP LEU VAL PHE          
SEQRES  13 A  267  THR PHE ALA ASN GLN LEU LEU PRO LEU GLU MET ASP ASP          
SEQRES  14 A  267  THR GLU THR GLY LEU LEU SER ALA ILE CYS LEU ILE CYS          
SEQRES  15 A  267  GLY ASP ARG GLN ASP LEU GLU GLU PRO THR LYS VAL ASP          
SEQRES  16 A  267  LYS LEU GLN GLU PRO LEU LEU GLU ALA LEU LYS ILE TYR          
SEQRES  17 A  267  ILE ARG LYS ARG ARG PRO SER LYS PRO HIS MET PHE PRO          
SEQRES  18 A  267  LYS ILE LEU MET LYS ILE THR ASP LEU ARG SER ILE SER          
SEQRES  19 A  267  ALA LYS GLY ALA GLU ARG VAL ILE THR LEU LYS MET GLU          
SEQRES  20 A  267  ILE PRO GLY SER MET PRO PRO LEU ILE GLN GLU MET LEU          
SEQRES  21 A  267  GLU ASN SER GLU GLY HIS GLU                                  
HET    TTB  A   1      26                                                       
HETNAM     TTB 4-[(1E)-2-(5,5,8,8-TETRAMETHYL-5,6,7,8-                          
HETNAM   2 TTB  TETRAHYDRONAPHTHALEN-2-YL)PROP-1-ENYL]BENZOIC ACID              
HETSYN     TTB TTNPB                                                            
FORMUL   2  TTB    C24 H28 O2                                                   
FORMUL   3  HOH   *115(H2 O)                                                    
HELIX    1   1 ALA A  175  PHE A  192  1                                  18    
HELIX    2   2 SER A  194  LEU A  198  5                                   5    
HELIX    3   3 ASP A  214  LEU A  239  1                                  26    
HELIX    4   4 GLY A  241  LEU A  245  5                                   5    
HELIX    5   5 THR A  246  THR A  268  1                                  23    
HELIX    6   6 ARG A  287  GLY A  294  1                                   8    
HELIX    7   7 PHE A  295  PRO A  297  5                                   3    
HELIX    8   8 LEU A  298  LEU A  310  1                                  13    
HELIX    9   9 PRO A  311  GLU A  313  5                                   3    
HELIX   10  10 ASP A  315  ILE A  328  1                                  14    
HELIX   11  11 GLU A  337  ARG A  360  1                                  24    
HELIX   12  12 HIS A  365  LYS A  383  1                                  19    
HELIX   13  13 LYS A  383  ILE A  395  1                                  13    
HELIX   14  14 PRO A  400  GLU A  408  1                                   9    
SHEET    1   A 3 TYR A 270  THR A 271  0                                        
SHEET    2   A 3 THR A 276  THR A 278 -1  O  THR A 276   N  THR A 271           
SHEET    3   A 3 THR A 284  ASN A 286 -1  O  LEU A 285   N  MET A 277           
SITE     1 AC1  9 HOH A  11  PHE A 221  LEU A 224  ALA A 225                    
SITE     2 AC1  9 LEU A 262  ARG A 269  PHE A 279  SER A 280                    
SITE     3 AC1  9 VAL A 388                                                     
CRYST1   47.276   57.808   90.289  90.00  90.00  90.00 P 21 21 21    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      0.021152  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.017299  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011076        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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