HEADER    HORMONE/GROWTH FACTOR                   31-AUG-98   1BSX              
TITLE     STRUCTURE AND SPECIFICITY OF NUCLEAR RECEPTOR-COACTIVATOR INTERACTIONS
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (THYROID HORMONE RECEPTOR BETA);                   
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: LIGAND BINDING DOMAIN;                                     
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 OTHER_DETAILS: HIS-TAGGED (THE FOLLOWING RESIDUES WERE NOT SEEN IN   
COMPND   7 THE ELECTRON DENSITY: MGSSHHHHHHSSGLVPRGSHM);                        
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: PROTEIN (GRIP1);                                           
COMPND  10 CHAIN: X, Y;                                                         
COMPND  11 FRAGMENT: NR-BOX2 FROM NUCLEAR RECEPTOR INTERACTION DOMAIN;          
COMPND  12 SYNONYM: MTIF2;                                                      
COMPND  13 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_PLASMID: PET28;                                    
SOURCE   9 MOL_ID: 2;                                                           
SOURCE  10 SYNTHETIC: YES                                                       
KEYWDS    NUCLEAR RECEPTORS, COACTIVATORS, GRIP1, SPECIFICITY INTERACTION SITE, 
KEYWDS   2 HORMONE-GROWTH FACTOR COMPLEX                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.L.WAGNER,B.D.DARIMONT,J.W.APRILETTI,M.R.STALLCUP,P.J.KUSHNER,       
AUTHOR   2 J.D.BAXTER,R.J.FLETTERICK,K.R.YAMAMOTO                               
REVDAT   6   03-APR-24 1BSX    1       REMARK                                   
REVDAT   5   15-NOV-23 1BSX    1       REMARK ATOM                              
REVDAT   4   30-MAY-18 1BSX    1       REMARK                                   
REVDAT   3   24-FEB-09 1BSX    1       VERSN                                    
REVDAT   2   01-APR-03 1BSX    1       JRNL                                     
REVDAT   1   26-AUG-99 1BSX    0                                                
JRNL        AUTH   B.D.DARIMONT,R.L.WAGNER,J.W.APRILETTI,M.R.STALLCUP,          
JRNL        AUTH 2 P.J.KUSHNER,J.D.BAXTER,R.J.FLETTERICK,K.R.YAMAMOTO           
JRNL        TITL   STRUCTURE AND SPECIFICITY OF NUCLEAR RECEPTOR-COACTIVATOR    
JRNL        TITL 2 INTERACTIONS.                                                
JRNL        REF    GENES DEV.                    V.  12  3343 1998              
JRNL        REFN                   ISSN 0890-9369                               
JRNL        PMID   9808622                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.70 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 : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 100.00                         
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)   (%) : 96.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 7851                           
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) : 0.249                           
REMARK   3   FREE R VALUE                     : 0.299                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 775                             
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            : 3994                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 46                                      
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.71700                                             
REMARK   3    B22 (A**2) : -0.71700                                             
REMARK   3    B33 (A**2) : 1.43400                                              
REMARK   3    B12 (A**2) : -2.27800                                             
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) : 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) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.600                           
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  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.27                                                 
REMARK   3   BSOL        : 36.00                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : STRICT                                                  
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  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : TIT.PAR                                        
REMARK   3  PARAMETER FILE  3  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : TIT.TOP                                        
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1BSX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-JUL-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000007106.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-NOV-97                          
REMARK 200  TEMPERATURE           (KELVIN) : 105                                
REMARK 200  PH                             : 4.9                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NI FILTER                          
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU                             
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 8490                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.3                               
REMARK 200  DATA REDUNDANCY                : 4.000                              
REMARK 200  R MERGE                    (I) : 0.07700                            
REMARK 200  R SYM                      (I) : 0.07700                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.66                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.26100                            
REMARK 200  R SYM FOR SHELL            (I) : 0.26100                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.700                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: HUMAN THYROID HORMONE RECEPTOR BETA                  
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.91                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 4.9                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       45.86667            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       91.73333            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       91.73333            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       45.86667            
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 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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1740 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 11910 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -11.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, X                                  
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 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1740 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 11910 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -11.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, Y                                  
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     GLU A   202                                                      
REMARK 465     GLU A   203                                                      
REMARK 465     LEU A   204                                                      
REMARK 465     GLN A   205                                                      
REMARK 465     LYS A   206                                                      
REMARK 465     SER A   207                                                      
REMARK 465     ILE A   208                                                      
REMARK 465     GLY A   209                                                      
REMARK 465     HIS A   210                                                      
REMARK 465     ILE A   255                                                      
REMARK 465     VAL A   256                                                      
REMARK 465     ASN A   257                                                      
REMARK 465     ALA A   258                                                      
REMARK 465     PRO A   259                                                      
REMARK 465     GLU A   260                                                      
REMARK 465     GLY A   261                                                      
REMARK 465     GLY A   262                                                      
REMARK 465     GLY X   686                                                      
REMARK 465     GLU B   202                                                      
REMARK 465     GLU B   203                                                      
REMARK 465     LEU B   204                                                      
REMARK 465     GLN B   205                                                      
REMARK 465     LYS B   206                                                      
REMARK 465     SER B   207                                                      
REMARK 465     ILE B   208                                                      
REMARK 465     GLY B   209                                                      
REMARK 465     HIS B   210                                                      
REMARK 465     ILE B   255                                                      
REMARK 465     VAL B   256                                                      
REMARK 465     ASN B   257                                                      
REMARK 465     ALA B   258                                                      
REMARK 465     PRO B   259                                                      
REMARK 465     GLU B   260                                                      
REMARK 465     GLY B   261                                                      
REMARK 465     GLY B   262                                                      
REMARK 465     GLY Y   686                                                      
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 211    CG   CD   CE   NZ                                   
REMARK 470     GLU A 217    CG   CD   OE1  OE2                                  
REMARK 470     GLU A 227    CG   CD   OE1  OE2                                  
REMARK 470     GLN A 241    CG   CD   OE1  NE2                                  
REMARK 470     GLN A 252    CG   CD   OE1  NE2                                  
REMARK 470     LYS A 263    CG   CD   CE   NZ                                   
REMARK 470     LYS A 274    CG   CD   CE   NZ                                   
REMARK 470     GLU A 390    CG   CD   OE1  OE2                                  
REMARK 470     LYS X 688    CG   CD   CE   NZ                                   
REMARK 470     ARG X 692    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS B 211    CG   CD   CE   NZ                                   
REMARK 470     GLU B 217    CG   CD   OE1  OE2                                  
REMARK 470     GLU B 227    CG   CD   OE1  OE2                                  
REMARK 470     GLN B 241    CG   CD   OE1  NE2                                  
REMARK 470     GLN B 252    CG   CD   OE1  NE2                                  
REMARK 470     LYS B 263    CG   CD   CE   NZ                                   
REMARK 470     LYS B 274    CG   CD   CE   NZ                                   
REMARK 470     GLU B 390    CG   CD   OE1  OE2                                  
REMARK 470     LYS Y 688    CG   CD   CE   NZ                                   
REMARK 470     ARG Y 692    CG   CD   NE   CZ   NH1  NH2                        
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   OD1  ASP Y   696     OG   SER Y   698              1.80            
REMARK 500   OD1  ASP X   696     OG   SER X   698              1.80            
REMARK 500   O    ILE Y   689     N    ARG Y   692              1.97            
REMARK 500   O    ILE X   689     N    ARG X   692              1.97            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   CH2  TRP B   219     CD2  HIS B   238     6555     1.00            
REMARK 500   CZ2  TRP B   219     CE1  HIS B   238     6555     1.09            
REMARK 500   CZ2  TRP B   219     NE2  HIS B   238     6555     1.23            
REMARK 500   CH2  TRP B   219     NE2  HIS B   238     6555     1.45            
REMARK 500   CH2  TRP B   219     CG   HIS B   238     6555     1.56            
REMARK 500   CZ2  TRP B   219     ND1  HIS B   238     6555     1.79            
REMARK 500   CD   GLN X   695     NH2  ARG B   243     2665     1.95            
REMARK 500   CZ2  TRP B   219     CD2  HIS B   238     6555     1.97            
REMARK 500   OE1  GLN X   695     NH2  ARG B   243     2665     1.97            
REMARK 500   CH2  TRP B   219     CE1  HIS B   238     6555     2.04            
REMARK 500   CH2  TRP B   219     ND1  HIS B   238     6555     2.08            
REMARK 500   CE2  TRP B   219     CE1  HIS B   238     6555     2.14            
REMARK 500   OE1  GLN X   695     CZ   ARG B   243     2665     2.15            
REMARK 500   CZ3  TRP B   219     CD2  HIS B   238     6555     2.15            
REMARK 500   N    ASP X   696     CE1  PHE B   245     2665     2.15            
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    HIS X 687   CB  -  CA  -  C   ANGL. DEV. = -14.9 DEGREES          
REMARK 500    HIS X 687   O   -  C   -  N   ANGL. DEV. =  11.1 DEGREES          
REMARK 500    HIS Y 687   CB  -  CA  -  C   ANGL. DEV. = -14.9 DEGREES          
REMARK 500    HIS Y 687   O   -  C   -  N   ANGL. DEV. =  11.2 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    LYS A 223      -31.50    -38.00                                   
REMARK 500    THR A 224      -74.96    -73.06                                   
REMARK 500    ALA A 228      -75.51    -69.96                                   
REMARK 500    GLN A 235        6.59     56.72                                   
REMARK 500    SER A 237       55.98    -99.71                                   
REMARK 500    HIS A 238       26.31   -149.29                                   
REMARK 500    LYS A 240      -14.47    -39.76                                   
REMARK 500    GLN A 252     -115.83   -133.10                                   
REMARK 500    VAL A 264     -148.14   -111.58                                   
REMARK 500    ASP A 265       77.44   -179.58                                   
REMARK 500    PHE A 269      -37.87    -36.77                                   
REMARK 500    MET A 292      -18.28    -48.12                                   
REMARK 500    VAL A 319       -3.20    -59.01                                   
REMARK 500    GLU A 324      -73.72    -57.52                                   
REMARK 500    ASN A 331       12.99     50.91                                   
REMARK 500    ASP A 367      -63.67    -28.63                                   
REMARK 500    ALA A 387      -76.38   -106.97                                   
REMARK 500    VAL A 389      -84.90    -54.22                                   
REMARK 500    GLU A 390      -48.52    -25.94                                   
REMARK 500    LYS A 411       75.98     40.16                                   
REMARK 500    THR A 415      154.47    -35.94                                   
REMARK 500    HIS A 416       80.35     30.08                                   
REMARK 500    PHE A 417     -104.50    -86.49                                   
REMARK 500    TRP A 418      -59.04    -15.80                                   
REMARK 500    LYS X 688     -110.86     78.39                                   
REMARK 500    LEU X 690      -59.21    -29.60                                   
REMARK 500    SER X 697      -85.62    -75.57                                   
REMARK 500    LYS B 223      -31.54    -37.96                                   
REMARK 500    THR B 224      -74.96    -73.10                                   
REMARK 500    ALA B 228      -75.51    -69.97                                   
REMARK 500    GLN B 235        6.56     56.74                                   
REMARK 500    SER B 237       55.95    -99.67                                   
REMARK 500    HIS B 238       26.37   -149.32                                   
REMARK 500    LYS B 240      -14.52    -39.74                                   
REMARK 500    GLN B 252     -115.82   -133.13                                   
REMARK 500    VAL B 264     -148.15   -111.61                                   
REMARK 500    ASP B 265       77.47   -179.55                                   
REMARK 500    PHE B 269      -37.88    -36.76                                   
REMARK 500    MET B 292      -18.32    -48.07                                   
REMARK 500    VAL B 319       -3.26    -58.97                                   
REMARK 500    GLU B 324      -73.71    -57.49                                   
REMARK 500    ASN B 331       12.99     50.92                                   
REMARK 500    ASP B 367      -63.69    -28.60                                   
REMARK 500    ALA B 387      -76.38   -106.95                                   
REMARK 500    VAL B 389      -84.87    -54.20                                   
REMARK 500    GLU B 390      -48.52    -25.98                                   
REMARK 500    LYS B 411       75.90     40.19                                   
REMARK 500    THR B 415      154.46    -35.92                                   
REMARK 500    HIS B 416       80.38     30.04                                   
REMARK 500    PHE B 417     -104.51    -86.42                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      54 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: A                                                   
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: NR-BOX BINDING SITE                                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: B                                                   
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: NR-BOX BINDING SITE                                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE T3 A 1                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE T3 B 2                    
DBREF  1BSX A  202   461  UNP    P10828   THB1_HUMAN     202    461             
DBREF  1BSX B  202   461  UNP    P10828   THB1_HUMAN     202    461             
DBREF  1BSX X  686   698  PDB    1BSX     1BSX           686    698             
DBREF  1BSX Y  686   698  PDB    1BSX     1BSX           686    698             
SEQRES   1 A  260  GLU GLU LEU GLN LYS SER ILE GLY HIS LYS PRO GLU PRO          
SEQRES   2 A  260  THR ASP GLU GLU TRP GLU LEU ILE LYS THR VAL THR GLU          
SEQRES   3 A  260  ALA HIS VAL ALA THR ASN ALA GLN GLY SER HIS TRP LYS          
SEQRES   4 A  260  GLN LYS ARG LYS PHE LEU PRO GLU ASP ILE GLY GLN ALA          
SEQRES   5 A  260  PRO ILE VAL ASN ALA PRO GLU GLY GLY LYS VAL ASP LEU          
SEQRES   6 A  260  GLU ALA PHE SER HIS PHE THR LYS ILE ILE THR PRO ALA          
SEQRES   7 A  260  ILE THR ARG VAL VAL ASP PHE ALA LYS LYS LEU PRO MET          
SEQRES   8 A  260  PHE CYS GLU LEU PRO CYS GLU ASP GLN ILE ILE LEU LEU          
SEQRES   9 A  260  LYS GLY CYS CYS MET GLU ILE MET SER LEU ARG ALA ALA          
SEQRES  10 A  260  VAL ARG TYR ASP PRO GLU SER GLU THR LEU THR LEU ASN          
SEQRES  11 A  260  GLY GLU MET ALA VAL THR ARG GLY GLN LEU LYS ASN GLY          
SEQRES  12 A  260  GLY LEU GLY VAL VAL SER ASP ALA ILE PHE ASP LEU GLY          
SEQRES  13 A  260  MET SER LEU SER SER PHE ASN LEU ASP ASP THR GLU VAL          
SEQRES  14 A  260  ALA LEU LEU GLN ALA VAL LEU LEU MET SER SER ASP ARG          
SEQRES  15 A  260  PRO GLY LEU ALA CYS VAL GLU ARG ILE GLU LYS TYR GLN          
SEQRES  16 A  260  ASP SER PHE LEU LEU ALA PHE GLU HIS TYR ILE ASN TYR          
SEQRES  17 A  260  ARG LYS HIS HIS VAL THR HIS PHE TRP PRO LYS LEU LEU          
SEQRES  18 A  260  MET LYS VAL THR ASP LEU ARG MET ILE GLY ALA CYS HIS          
SEQRES  19 A  260  ALA SER ARG PHE LEU HIS MET LYS VAL GLU CYS PRO THR          
SEQRES  20 A  260  GLU LEU PHE PRO PRO LEU PHE LEU GLU VAL PHE GLU ASP          
SEQRES   1 X   13  GLY HIS LYS ILE LEU HIS ARG LEU LEU GLN ASP SER SER          
SEQRES   1 B  260  GLU GLU LEU GLN LYS SER ILE GLY HIS LYS PRO GLU PRO          
SEQRES   2 B  260  THR ASP GLU GLU TRP GLU LEU ILE LYS THR VAL THR GLU          
SEQRES   3 B  260  ALA HIS VAL ALA THR ASN ALA GLN GLY SER HIS TRP LYS          
SEQRES   4 B  260  GLN LYS ARG LYS PHE LEU PRO GLU ASP ILE GLY GLN ALA          
SEQRES   5 B  260  PRO ILE VAL ASN ALA PRO GLU GLY GLY LYS VAL ASP LEU          
SEQRES   6 B  260  GLU ALA PHE SER HIS PHE THR LYS ILE ILE THR PRO ALA          
SEQRES   7 B  260  ILE THR ARG VAL VAL ASP PHE ALA LYS LYS LEU PRO MET          
SEQRES   8 B  260  PHE CYS GLU LEU PRO CYS GLU ASP GLN ILE ILE LEU LEU          
SEQRES   9 B  260  LYS GLY CYS CYS MET GLU ILE MET SER LEU ARG ALA ALA          
SEQRES  10 B  260  VAL ARG TYR ASP PRO GLU SER GLU THR LEU THR LEU ASN          
SEQRES  11 B  260  GLY GLU MET ALA VAL THR ARG GLY GLN LEU LYS ASN GLY          
SEQRES  12 B  260  GLY LEU GLY VAL VAL SER ASP ALA ILE PHE ASP LEU GLY          
SEQRES  13 B  260  MET SER LEU SER SER PHE ASN LEU ASP ASP THR GLU VAL          
SEQRES  14 B  260  ALA LEU LEU GLN ALA VAL LEU LEU MET SER SER ASP ARG          
SEQRES  15 B  260  PRO GLY LEU ALA CYS VAL GLU ARG ILE GLU LYS TYR GLN          
SEQRES  16 B  260  ASP SER PHE LEU LEU ALA PHE GLU HIS TYR ILE ASN TYR          
SEQRES  17 B  260  ARG LYS HIS HIS VAL THR HIS PHE TRP PRO LYS LEU LEU          
SEQRES  18 B  260  MET LYS VAL THR ASP LEU ARG MET ILE GLY ALA CYS HIS          
SEQRES  19 B  260  ALA SER ARG PHE LEU HIS MET LYS VAL GLU CYS PRO THR          
SEQRES  20 B  260  GLU LEU PHE PRO PRO LEU PHE LEU GLU VAL PHE GLU ASP          
SEQRES   1 Y   13  GLY HIS LYS ILE LEU HIS ARG LEU LEU GLN ASP SER SER          
HET     T3  A   1      23                                                       
HET     T3  B   2      23                                                       
HETNAM      T3 3,5,3'TRIIODOTHYRONINE                                           
HETSYN      T3 T3; THYROID HORMONE; LIOTHYRONINE                                
FORMUL   5   T3    2(C15 H12 I3 N O4)                                           
HELIX    1   1 ASP A  216  ALA A  231  1                                  16    
HELIX    2   2 LEU A  266  THR A  273  1                                   8    
HELIX    3   3 ILE A  276  LYS A  289  1                                  14    
HELIX    4   4 PRO A  291  CYS A  294  1                                   4    
HELIX    5   5 CYS A  298  ARG A  320  1                                  23    
HELIX    6   6 LEU A  330  GLY A  332  5                                   3    
HELIX    7   7 ARG A  338  ASN A  343  1                                   6    
HELIX    8   8 GLY A  347  SER A  362  5                                  16    
HELIX    9   9 ASP A  367  LEU A  378  1                                  12    
HELIX   10  10 VAL A  389  ARG A  410  1                                  22    
HELIX   11  11 TRP A  418  GLU A  445  1                                  28    
HELIX   12  12 PRO A  453  PHE A  459  1                                   7    
HELIX   13  13 ILE X  689  GLN X  695  1                                   7    
HELIX   14   1 ASP B  216  ALA B  231  1                                  16    
HELIX   15   2 LEU B  266  THR B  273  1                                   8    
HELIX   16   3 ILE B  276  LYS B  289  1                                  14    
HELIX   17   4 PRO B  291  CYS B  294  1                                   4    
HELIX   18   5 CYS B  298  ARG B  320  1                                  23    
HELIX   19   6 LEU B  330  GLY B  332  5                                   3    
HELIX   20   7 ARG B  338  ASN B  343  1                                   6    
HELIX   21   8 GLY B  347  SER B  362  5                                  16    
HELIX   22   9 ASP B  367  LEU B  378  1                                  12    
HELIX   23  10 VAL B  389  ARG B  410  1                                  22    
HELIX   24  11 TRP B  418  GLU B  445  1                                  28    
HELIX   25  12 PRO B  453  PHE B  459  1                                   7    
HELIX   26  13 ILE Y  689  GLN Y  695  1                                   7    
SHEET    1   A 2 THR A 327  LEU A 330  0                                        
SHEET    2   A 2 MET A 334  THR A 337 -1  N  VAL A 336   O  LEU A 328           
SHEET    1   B 2 THR B 327  LEU B 330  0                                        
SHEET    2   B 2 MET B 334  THR B 337 -1  N  VAL B 336   O  LEU B 328           
SITE     1   A  9 VAL A 284  ALA A 287  LYS A 288  PHE A 293                    
SITE     2   A  9 ILE A 302  LEU A 305  LEU A 454  GLU A 457                    
SITE     3   A  9 VAL A 458                                                     
SITE     1   B  9 VAL B 284  ALA B 287  LYS B 288  PHE B 293                    
SITE     2   B  9 ILE B 302  LEU B 305  LEU B 454  GLU B 457                    
SITE     3   B  9 VAL B 458                                                     
SITE     1 AC1  9 PHE A 272  ARG A 282  LEU A 330  ASN A 331                    
SITE     2 AC1  9 LEU A 346  ILE A 353  HIS A 435  MET A 442                    
SITE     3 AC1  9 PHE A 455                                                     
SITE     1 AC2  9 PHE B 272  ARG B 282  LEU B 330  ASN B 331                    
SITE     2 AC2  9 LEU B 346  ILE B 353  HIS B 435  MET B 442                    
SITE     3 AC2  9 PHE B 455                                                     
CRYST1   95.200   95.200  137.600  90.00  90.00 120.00 P 31 2 1     12          
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      0.010504  0.006065  0.000000        0.00000                         
SCALE2      0.000000  0.012129  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007267        0.00000                         
MTRIX1   1  0.526970  0.849090 -0.036740      -68.69247    1                    
MTRIX2   1 -0.410490  0.292140  0.863800       48.32660    1                    
MTRIX3   1  0.744180 -0.440120  0.502490       -6.73853    1