1XNX - Header Asymmetric Unit

HEADER LIGAND RECEPTOR/TRANSRIPTION REGULATION 05-OCT-04 1XNX

TITLE CRYSTAL STRUCTURE OF CONSTITUTIVE ANDROSTANE RECEPTOR

COMPND MOL_ID: 1; COMPND 2 MOLECULE: CONSTITUTIVE ANDROSTANE RECEPTOR; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: ORPHAN NUCLEAR RECEPTOR NR1I3; CAR; COMPND 5 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 GENE: NR1I3, CAR; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) GOLD; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET-15B

KEYWDS NUCLEAR RECEPTOR; CRYSTAL STRUCTURE, LIGAND KEYWDS 2 RECEPTOR/TRANSRIPTION REGULATION COMPLEX

EXPDTA X-RAY DIFFRACTION

AUTHOR E.FERNANDEZ

REVDAT 2 24-FEB-09 1XNX 1 VERSN REVDAT 1 04-JAN-05 1XNX 0

JRNL AUTH L.SHAN,J.VINCENT,J.S.BRUNZELLE,I.DUSSAULT,M.LIN, JRNL AUTH 2 I.IANCULESCU,M.A.SHERMAN,B.M.FORMAN,E.FERNANDEZ JRNL TITL STRUCTURE OF THE MURINE CONSTITUTIVE ANDROSTANE JRNL TITL 2 RECEPTOR COMPLEXED TO ANDROSTENOL; A MOLECULAR JRNL TITL 3 BASIS FOR INVERSE AGONISM JRNL REF MOL.CELL V. 16 907 2004 JRNL REFN ISSN 1097-2765 JRNL PMID 15610734 JRNL DOI 10.1016/J.MOLCEL.2004.11.037

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 2.90 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 2.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.55 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 5492080.700 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 14394 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) : 0.229 REMARK 3 FREE R VALUE : 0.288 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.200 REMARK 3 FREE R VALUE TEST SET COUNT : 1465 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.008 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.08 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2117 REMARK 3 BIN R VALUE (WORKING SET) : 0.2330 REMARK 3 BIN FREE R VALUE : 0.3070 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.40 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 246 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.020 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3790 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 40 REMARK 3 SOLVENT ATOMS : 33 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 63.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 43.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.11000 REMARK 3 B22 (A**2) : 5.87000 REMARK 3 B33 (A**2) : -5.76000 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) : 0.31 REMARK 3 ESD FROM SIGMAA (A) : 0.18 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) : 0.40 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.35 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.30 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 20.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.89 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.060 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.190 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 5.390 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 7.350 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.38 REMARK 3 BSOL : 52.68 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ATEN.PAR REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : ATEN.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1XNX COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-OCT-04. REMARK 100 THE RCSB ID CODE IS RCSB030562.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-MAR-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 5ID-B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9792 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MARXDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14394 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.900 REMARK 200 RESOLUTION RANGE LOW (A) : 29.550 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.40 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.91 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 3XMOLAR EXCESS OF ANDROSTENOL TO REMARK 280 PURIFIED MCAR LBD AND INCUBATE AT RT FOR 1 H. 1UL 6-8 MG/ML REMARK 280 PROTEIN PLUS 1 UL WELL SOLUTION (18% PEG400, 0.2 M CACL2, 0.1 REMARK 280 M HEPES, PH7.2). ADDITIVE: 0.01 M L-CYSTEINE, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 287K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 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 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 67.30350 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 67.30350 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 30.17650 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 77.52100 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 30.17650 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 77.52100 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 67.30350 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 30.17650 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 77.52100 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 67.30350 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 30.17650 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 77.52100 REMARK 290 SMTRY3 8 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 HIS A 103 REMARK 465 HIS A 104 REMARK 465 HIS A 105 REMARK 465 HIS A 106 REMARK 465 HIS A 107 REMARK 465 HIS A 108 REMARK 465 ALA A 109 REMARK 465 GLU A 110 REMARK 465 LYS A 111 REMARK 465 ALA A 112 REMARK 465 SER A 113 REMARK 465 LEU A 346 REMARK 465 SER A 347 REMARK 465 ALA A 348 REMARK 465 MET A 349 REMARK 465 THR A 350 REMARK 465 PRO A 351 REMARK 465 LEU A 352 REMARK 465 LEU A 353 REMARK 465 GLY A 354 REMARK 465 GLU A 355 REMARK 465 ILE A 356 REMARK 465 CYS A 357 REMARK 465 SER A 358 REMARK 465 HIS B 103 REMARK 465 HIS B 104 REMARK 465 HIS B 105 REMARK 465 HIS B 106 REMARK 465 HIS B 107 REMARK 465 HIS B 108 REMARK 465 ALA B 109 REMARK 465 GLU B 110 REMARK 465 LYS B 111 REMARK 465 ALA B 112 REMARK 465 SER B 113 REMARK 465 LEU B 114 REMARK 465 GLN B 115 REMARK 465 LEU B 116 REMARK 465 ASN B 117 REMARK 465 GLN B 118 REMARK 465 GLN B 119 REMARK 465 GLU B 344 REMARK 465 GLU B 345 REMARK 465 LEU B 346 REMARK 465 SER B 347 REMARK 465 ALA B 348 REMARK 465 MET B 349 REMARK 465 SER B 358

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 OE1 GLN B 341 NE2 GLN B 341 4566 0.79 REMARK 500 CD GLN B 341 NE2 GLN B 341 4566 0.83 REMARK 500 CD GLN B 341 CD GLN B 341 4566 1.43 REMARK 500 NE2 GLN B 341 NE2 GLN B 341 4566 1.65 REMARK 500 CD GLN B 341 OE1 GLN B 341 4566 2.06 REMARK 500 CG GLN B 341 NE2 GLN B 341 4566 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 LEU A 138 CA - CB - CG ANGL. DEV. = 16.9 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 GLN A 115 142.47 143.65 REMARK 500 PHE A 145 56.09 -94.52 REMARK 500 LYS A 146 60.83 36.37 REMARK 500 ARG A 156 55.23 -152.30 REMARK 500 GLU A 266 -60.30 -17.38 REMARK 500 PHE A 278 41.38 -85.15 REMARK 500 GLN A 287 41.27 -72.78 REMARK 500 TYR A 336 40.92 -106.92 REMARK 500 GLU A 344 49.29 -84.01 REMARK 500 PHE B 145 59.68 -105.74 REMARK 500 SER B 194 49.14 -71.25 REMARK 500 ALA B 208 -60.83 -25.84 REMARK 500 TYR B 246 -81.74 -34.77 REMARK 500 THR B 286 -75.28 -74.51 REMARK 500 ARG B 288 20.66 -67.13 REMARK 500 MET B 298 -21.06 -147.83 REMARK 500 LEU B 318 -77.59 -47.66 REMARK 500 TYR B 319 -70.81 -26.32 REMARK 500 ASN B 334 -83.75 -93.03 REMARK 500 ALA B 335 -48.27 -25.59 REMARK 500 SER B 337 -35.12 -159.22 REMARK 500 ARG B 342 -45.88 -24.97 REMARK 500 LEU B 353 -63.80 -98.05 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 ATE A 500 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ATE B 600

DBREF 1XNX A 109 358 UNP O35627 NR1I3_MOUSE 109 358 DBREF 1XNX B 109 358 UNP O35627 NR1I3_MOUSE 109 358

SEQADV 1XNX HIS A 103 UNP O35627 EXPRESSION TAG SEQADV 1XNX HIS A 104 UNP O35627 EXPRESSION TAG SEQADV 1XNX HIS A 105 UNP O35627 EXPRESSION TAG SEQADV 1XNX HIS A 106 UNP O35627 EXPRESSION TAG SEQADV 1XNX HIS A 107 UNP O35627 EXPRESSION TAG SEQADV 1XNX HIS A 108 UNP O35627 EXPRESSION TAG SEQADV 1XNX HIS B 103 UNP O35627 EXPRESSION TAG SEQADV 1XNX HIS B 104 UNP O35627 EXPRESSION TAG SEQADV 1XNX HIS B 105 UNP O35627 EXPRESSION TAG SEQADV 1XNX HIS B 106 UNP O35627 EXPRESSION TAG SEQADV 1XNX HIS B 107 UNP O35627 EXPRESSION TAG SEQADV 1XNX HIS B 108 UNP O35627 EXPRESSION TAG

SEQRES 1 A 256 HIS HIS HIS HIS HIS HIS ALA GLU LYS ALA SER LEU GLN SEQRES 2 A 256 LEU ASN GLN GLN GLN LYS GLU LEU VAL GLN ILE LEU LEU SEQRES 3 A 256 GLY ALA HIS THR ARG HIS VAL GLY PRO LEU PHE ASP GLN SEQRES 4 A 256 PHE VAL GLN PHE LYS PRO PRO ALA TYR LEU PHE MET HIS SEQRES 5 A 256 HIS ARG PRO PHE GLN PRO ARG GLY PRO VAL LEU PRO LEU SEQRES 6 A 256 LEU THR HIS PHE ALA ASP ILE ASN THR PHE MET VAL GLN SEQRES 7 A 256 GLN ILE ILE LYS PHE THR LYS ASP LEU PRO LEU PHE ARG SEQRES 8 A 256 SER LEU THR MET GLU ASP GLN ILE SER LEU LEU LYS GLY SEQRES 9 A 256 ALA ALA VAL GLU ILE LEU HIS ILE SER LEU ASN THR THR SEQRES 10 A 256 PHE CYS LEU GLN THR GLU ASN PHE PHE CYS GLY PRO LEU SEQRES 11 A 256 CYS TYR LYS MET GLU ASP ALA VAL HIS ALA GLY PHE GLN SEQRES 12 A 256 TYR GLU PHE LEU GLU SER ILE LEU HIS PHE HIS LYS ASN SEQRES 13 A 256 LEU LYS GLY LEU HIS LEU GLN GLU PRO GLU TYR VAL LEU SEQRES 14 A 256 MET ALA ALA THR ALA LEU PHE SER PRO ASP ARG PRO GLY SEQRES 15 A 256 VAL THR GLN ARG GLU GLU ILE ASP GLN LEU GLN GLU GLU SEQRES 16 A 256 MET ALA LEU ILE LEU ASN ASN HIS ILE MET GLU GLN GLN SEQRES 17 A 256 SER ARG LEU GLN SER ARG PHE LEU TYR ALA LYS LEU MET SEQRES 18 A 256 GLY LEU LEU ALA ASP LEU ARG SER ILE ASN ASN ALA TYR SEQRES 19 A 256 SER TYR GLU LEU GLN ARG LEU GLU GLU LEU SER ALA MET SEQRES 20 A 256 THR PRO LEU LEU GLY GLU ILE CYS SER SEQRES 1 B 256 HIS HIS HIS HIS HIS HIS ALA GLU LYS ALA SER LEU GLN SEQRES 2 B 256 LEU ASN GLN GLN GLN LYS GLU LEU VAL GLN ILE LEU LEU SEQRES 3 B 256 GLY ALA HIS THR ARG HIS VAL GLY PRO LEU PHE ASP GLN SEQRES 4 B 256 PHE VAL GLN PHE LYS PRO PRO ALA TYR LEU PHE MET HIS SEQRES 5 B 256 HIS ARG PRO PHE GLN PRO ARG GLY PRO VAL LEU PRO LEU SEQRES 6 B 256 LEU THR HIS PHE ALA ASP ILE ASN THR PHE MET VAL GLN SEQRES 7 B 256 GLN ILE ILE LYS PHE THR LYS ASP LEU PRO LEU PHE ARG SEQRES 8 B 256 SER LEU THR MET GLU ASP GLN ILE SER LEU LEU LYS GLY SEQRES 9 B 256 ALA ALA VAL GLU ILE LEU HIS ILE SER LEU ASN THR THR SEQRES 10 B 256 PHE CYS LEU GLN THR GLU ASN PHE PHE CYS GLY PRO LEU SEQRES 11 B 256 CYS TYR LYS MET GLU ASP ALA VAL HIS ALA GLY PHE GLN SEQRES 12 B 256 TYR GLU PHE LEU GLU SER ILE LEU HIS PHE HIS LYS ASN SEQRES 13 B 256 LEU LYS GLY LEU HIS LEU GLN GLU PRO GLU TYR VAL LEU SEQRES 14 B 256 MET ALA ALA THR ALA LEU PHE SER PRO ASP ARG PRO GLY SEQRES 15 B 256 VAL THR GLN ARG GLU GLU ILE ASP GLN LEU GLN GLU GLU SEQRES 16 B 256 MET ALA LEU ILE LEU ASN ASN HIS ILE MET GLU GLN GLN SEQRES 17 B 256 SER ARG LEU GLN SER ARG PHE LEU TYR ALA LYS LEU MET SEQRES 18 B 256 GLY LEU LEU ALA ASP LEU ARG SER ILE ASN ASN ALA TYR SEQRES 19 B 256 SER TYR GLU LEU GLN ARG LEU GLU GLU LEU SER ALA MET SEQRES 20 B 256 THR PRO LEU LEU GLY GLU ILE CYS SER

HET ATE A 500 20 HET ATE B 600 20

HETNAM ATE 16,17-ANDROSTENE-3-OL

FORMUL 3 ATE 2(C19 H30 O) FORMUL 5 HOH *33(H2 O)

HELIX 1 1 ASN A 117 VAL A 135 1 19 HELIX 2 2 PRO A 137 PHE A 145 5 9 HELIX 3 3 PRO A 148 MET A 153 5 6 HELIX 4 4 PRO A 163 ASP A 188 1 26 HELIX 5 5 LEU A 189 SER A 194 1 6 HELIX 6 6 THR A 196 ASN A 217 1 22 HELIX 7 7 LYS A 235 ALA A 242 1 8 HELIX 8 8 GLN A 245 GLY A 261 1 17 HELIX 9 9 GLN A 265 PHE A 278 1 14 HELIX 10 10 GLN A 287 GLN A 309 1 23 HELIX 11 11 PHE A 317 TYR A 336 1 20 HELIX 12 12 TYR A 336 GLU A 344 1 9 HELIX 13 13 GLU B 122 VAL B 135 1 14 HELIX 14 14 LEU B 138 PHE B 145 5 8 HELIX 15 15 PRO B 148 MET B 153 5 6 HELIX 16 16 VAL B 164 LYS B 187 1 24 HELIX 17 17 LEU B 189 SER B 194 1 6 HELIX 18 18 THR B 196 ASN B 217 1 22 HELIX 19 19 THR B 218 PHE B 220 5 3 HELIX 20 20 LYS B 235 ALA B 242 1 8 HELIX 21 21 GLN B 245 GLY B 261 1 17 HELIX 22 22 GLN B 265 PHE B 278 1 14 HELIX 23 23 GLU B 290 GLN B 295 1 6 HELIX 24 24 GLN B 295 GLN B 309 1 15 HELIX 25 25 PHE B 317 TYR B 336 1 20 HELIX 26 26 SER B 337 LEU B 343 1 7

SHEET 1 A 3 PHE A 220 CYS A 221 0 SHEET 2 A 3 ASN A 226 CYS A 229 -1 O ASN A 226 N CYS A 221 SHEET 3 A 3 LEU A 232 TYR A 234 -1 O TYR A 234 N PHE A 227 SHEET 1 B 2 PHE B 227 CYS B 229 0 SHEET 2 B 2 LEU B 232 TYR B 234 -1 O TYR B 234 N PHE B 227

SSBOND 1 CYS A 221 CYS B 221 1555 1555 2.81

SITE 1 AC1 7 HOH A 16 PHE A 171 ASN A 175 PHE A 227 SITE 2 AC1 7 LYS A 235 ALA A 239 LEU A 253 SITE 1 AC2 4 HOH B 29 PHE B 171 ASN B 175 PHE B 227

CRYST1 60.353 155.042 134.607 90.00 90.00 90.00 C 2 2 21 16

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 0.016569 0.000000 0.000000 0.00000

SCALE2 0.000000 0.006450 0.000000 0.00000

SCALE3 0.000000 0.000000 0.007429 0.00000