HEADER TRANSCRIPTION 10-OCT-06 2IOK TITLE HUMAN ESTROGEN RECEPTOR ALPHA LIGAND-BINDING DOMAIN IN COMPLEX WITH TITLE 2 COMPOUND 1D COMPND MOL_ID: 1; COMPND 2 MOLECULE: ESTROGEN RECEPTOR; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: STEROID-BINDING REGION, RESIDUES 306-554; COMPND 5 SYNONYM: ER, ESTRADIOL RECEPTOR, ER-ALPHA; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: ESR1, ESR, NR3A1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS NUCLEAR RECEPTOR, TRANSCRIPTION FACTOR, ER-ALPHA, ANTAGONIST, KEYWDS 2 TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR P.M.D.FITZGERALD,N.SHARMA REVDAT 3 30-AUG-23 2IOK 1 REMARK REVDAT 2 24-FEB-09 2IOK 1 VERSN REVDAT 1 09-OCT-07 2IOK 0 JRNL AUTH K.D.DYKSTRA,L.GUO,E.T.BIRZIN,W.CHAN,Y.T.YANG,E.C.HAYES, JRNL AUTH 2 C.A.DASILVA,L.-Y.PAI,R.T.MOSLEY,B.KRAKER,P.M.D.FITZGERALD, JRNL AUTH 3 F.DININNO,S.P.ROHRER,J.M.SCHAEFFER,M.L.HAMMOND JRNL TITL ESTROGEN RECEPTOR LIGANDS. PART 16: 2-ARYL INDOLES AS HIGHLY JRNL TITL 2 SUBTYPE SELECTIVE LIGANDS FOR ERALPHA JRNL REF BIOORG.MED.CHEM.LETT. V. 17 2322 2007 JRNL REFN ISSN 0960-894X JRNL PMID 17289385 JRNL DOI 10.1016/J.BMCL.2007.01.054 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL 97-1 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : THIN-SHELLS REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.215 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.323 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1196 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 19896 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.192 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.193 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 1005 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 17103 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3618 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 60 REMARK 3 SOLVENT ATOMS : 71 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : NULL REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : NULL REMARK 3 NUMBER OF RESTRAINTS : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 ANGLE DISTANCES (A) : 0.016 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.077 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.257 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.021 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.028 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.012 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : NULL REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : NULL REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE DATA ARE MEROHEDRALLY TWINNED THE REMARK 3 REFINED TWINNING RATIO (SHELXL) IS 0.398 REMARK 4 REMARK 4 2IOK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-OCT-06. REMARK 100 THE DEPOSITION ID IS D_1000039821. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 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 : OTHER REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20663 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 49.900 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 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 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: MERLOT REMARK 200 STARTING MODEL: PDB ENTRY 1ERT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.88 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.41 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y,X,Z+1/4 REMARK 290 4555 Y,-X,Z+3/4 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 27.45000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 13.72500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 41.17500 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2790 ANGSTROM**2 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 SER A 301 REMARK 465 LYS A 302 REMARK 465 LYS A 303 REMARK 465 ASN A 304 REMARK 465 SER A 305 REMARK 465 ASP A 332 REMARK 465 PRO A 333 REMARK 465 THR A 334 REMARK 465 ARG A 335 REMARK 465 PRO A 336 REMARK 465 PHE A 337 REMARK 465 SER A 338 REMARK 465 CYS A 530 REMARK 465 LYS A 531 REMARK 465 ASN A 532 REMARK 465 VAL A 533 REMARK 465 VAL A 534 REMARK 465 ASP A 545 REMARK 465 ALA A 546 REMARK 465 HIS A 547 REMARK 465 ARG A 548 REMARK 465 LEU A 549 REMARK 465 HIS A 550 REMARK 465 ALA A 551 REMARK 465 PRO A 552 REMARK 465 THR A 553 REMARK 465 SER A 554 REMARK 465 SER B 1301 REMARK 465 LYS B 1302 REMARK 465 LYS B 1303 REMARK 465 ASN B 1304 REMARK 465 SER B 1305 REMARK 465 PRO B 1336 REMARK 465 PHE B 1337 REMARK 465 SER B 1338 REMARK 465 GLU B 1339 REMARK 465 MET B 1528 REMARK 465 LYS B 1529 REMARK 465 CYS B 1530 REMARK 465 LYS B 1531 REMARK 465 ASN B 1532 REMARK 465 VAL B 1533 REMARK 465 VAL B 1534 REMARK 465 ASP B 1545 REMARK 465 ALA B 1546 REMARK 465 HIS B 1547 REMARK 465 ARG B 1548 REMARK 465 LEU B 1549 REMARK 465 HIS B 1550 REMARK 465 ALA B 1551 REMARK 465 PRO B 1552 REMARK 465 THR B 1553 REMARK 465 SER B 1554 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 416 CG CD CE NZ REMARK 470 LYS A 529 CD CE NZ REMARK 470 ARG B1335 CG CD NE CZ NH1 NH2 REMARK 470 LYS B1416 CG CD CE NZ 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 309 -20.80 -140.73 REMARK 500 SER A 329 -178.37 -56.20 REMARK 500 GLU A 330 72.94 -119.31 REMARK 500 MET A 343 -72.19 -63.42 REMARK 500 LEU A 370 -167.14 -60.68 REMARK 500 LEU A 378 -82.32 -46.50 REMARK 500 LEU A 379 -36.22 -37.46 REMARK 500 PHE A 404 -71.29 -54.55 REMARK 500 SER A 456 -73.48 -41.27 REMARK 500 VAL A 458 -72.30 -52.92 REMARK 500 TYR A 459 43.83 -72.37 REMARK 500 THR A 460 19.27 -160.97 REMARK 500 PHE A 461 -80.32 -56.87 REMARK 500 LEU A 462 -65.40 -173.06 REMARK 500 SER A 464 38.17 -98.70 REMARK 500 THR A 465 -143.12 -52.05 REMARK 500 LEU B1308 47.64 -77.59 REMARK 500 SER B1309 -16.18 -157.34 REMARK 500 SER B1329 173.18 -59.83 REMARK 500 THR B1334 30.14 -88.32 REMARK 500 MET B1343 -70.07 -55.74 REMARK 500 LEU B1370 -156.18 -50.97 REMARK 500 LEU B1378 -82.41 -44.45 REMARK 500 LEU B1408 62.22 -150.99 REMARK 500 ARG B1412 -62.98 -17.57 REMARK 500 VAL B1418 -118.20 -86.82 REMARK 500 GLU B1419 64.57 -163.26 REMARK 500 TYR B1459 46.94 -74.08 REMARK 500 THR B1460 33.28 -171.14 REMARK 500 PHE B1461 -76.59 -57.64 REMARK 500 LEU B1462 -67.95 -154.70 REMARK 500 THR B1465 -157.75 -48.60 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 IOK A 600 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOK B 1600 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2IOG RELATED DB: PDB DBREF 2IOK A 301 554 UNP P03372 ESR1_HUMAN 301 554 DBREF 2IOK B 1301 1554 UNP P03372 ESR1_HUMAN 301 554 SEQRES 1 A 254 SER LYS LYS ASN SER LEU ALA LEU SER LEU THR ALA ASP SEQRES 2 A 254 GLN MET VAL SER ALA LEU LEU ASP ALA GLU PRO PRO ILE SEQRES 3 A 254 LEU TYR SER GLU TYR ASP PRO THR ARG PRO PHE SER GLU SEQRES 4 A 254 ALA SER MET MET GLY LEU LEU THR ASN LEU ALA ASP ARG SEQRES 5 A 254 GLU LEU VAL HIS MET ILE ASN TRP ALA LYS ARG VAL PRO SEQRES 6 A 254 GLY PHE VAL ASP LEU THR LEU HIS ASP GLN VAL HIS LEU SEQRES 7 A 254 LEU GLU CYS ALA TRP LEU GLU ILE LEU MET ILE GLY LEU SEQRES 8 A 254 VAL TRP ARG SER MET GLU HIS PRO GLY LYS LEU LEU PHE SEQRES 9 A 254 ALA PRO ASN LEU LEU LEU ASP ARG ASN GLN GLY LYS CYS SEQRES 10 A 254 VAL GLU GLY MET VAL GLU ILE PHE ASP MET LEU LEU ALA SEQRES 11 A 254 THR SER SER ARG PHE ARG MET MET ASN LEU GLN GLY GLU SEQRES 12 A 254 GLU PHE VAL CYS LEU LYS SER ILE ILE LEU LEU ASN SER SEQRES 13 A 254 GLY VAL TYR THR PHE LEU SER SER THR LEU LYS SER LEU SEQRES 14 A 254 GLU GLU LYS ASP HIS ILE HIS ARG VAL LEU ASP LYS ILE SEQRES 15 A 254 THR ASP THR LEU ILE HIS LEU MET ALA LYS ALA GLY LEU SEQRES 16 A 254 THR LEU GLN GLN GLN HIS GLN ARG LEU ALA GLN LEU LEU SEQRES 17 A 254 LEU ILE LEU SER HIS ILE ARG HIS MET SER ASN LYS GLY SEQRES 18 A 254 MET GLU HIS LEU TYR SER MET LYS CYS LYS ASN VAL VAL SEQRES 19 A 254 PRO LEU TYR ASP LEU LEU LEU GLU MET LEU ASP ALA HIS SEQRES 20 A 254 ARG LEU HIS ALA PRO THR SER SEQRES 1 B 254 SER LYS LYS ASN SER LEU ALA LEU SER LEU THR ALA ASP SEQRES 2 B 254 GLN MET VAL SER ALA LEU LEU ASP ALA GLU PRO PRO ILE SEQRES 3 B 254 LEU TYR SER GLU TYR ASP PRO THR ARG PRO PHE SER GLU SEQRES 4 B 254 ALA SER MET MET GLY LEU LEU THR ASN LEU ALA ASP ARG SEQRES 5 B 254 GLU LEU VAL HIS MET ILE ASN TRP ALA LYS ARG VAL PRO SEQRES 6 B 254 GLY PHE VAL ASP LEU THR LEU HIS ASP GLN VAL HIS LEU SEQRES 7 B 254 LEU GLU CYS ALA TRP LEU GLU ILE LEU MET ILE GLY LEU SEQRES 8 B 254 VAL TRP ARG SER MET GLU HIS PRO GLY LYS LEU LEU PHE SEQRES 9 B 254 ALA PRO ASN LEU LEU LEU ASP ARG ASN GLN GLY LYS CYS SEQRES 10 B 254 VAL GLU GLY MET VAL GLU ILE PHE ASP MET LEU LEU ALA SEQRES 11 B 254 THR SER SER ARG PHE ARG MET MET ASN LEU GLN GLY GLU SEQRES 12 B 254 GLU PHE VAL CYS LEU LYS SER ILE ILE LEU LEU ASN SER SEQRES 13 B 254 GLY VAL TYR THR PHE LEU SER SER THR LEU LYS SER LEU SEQRES 14 B 254 GLU GLU LYS ASP HIS ILE HIS ARG VAL LEU ASP LYS ILE SEQRES 15 B 254 THR ASP THR LEU ILE HIS LEU MET ALA LYS ALA GLY LEU SEQRES 16 B 254 THR LEU GLN GLN GLN HIS GLN ARG LEU ALA GLN LEU LEU SEQRES 17 B 254 LEU ILE LEU SER HIS ILE ARG HIS MET SER ASN LYS GLY SEQRES 18 B 254 MET GLU HIS LEU TYR SER MET LYS CYS LYS ASN VAL VAL SEQRES 19 B 254 PRO LEU TYR ASP LEU LEU LEU GLU MET LEU ASP ALA HIS SEQRES 20 B 254 ARG LEU HIS ALA PRO THR SER HET IOK A 600 30 HET IOK B1600 30 HETNAM IOK N-[(1R)-3-(4-HYDROXYPHENYL)-1-METHYLPROPYL]-2-(2- HETNAM 2 IOK PHENYL-1H-INDOL-3-YL)ACETAMIDE FORMUL 3 IOK 2(C26 H26 N2 O2) FORMUL 5 HOH *71(H2 O) HELIX 1 1 THR A 311 ALA A 322 1 12 HELIX 2 2 SER A 341 LYS A 362 1 22 HELIX 3 3 THR A 371 LEU A 379 1 9 HELIX 4 4 ALA A 382 SER A 395 1 14 HELIX 5 5 ASP A 411 CYS A 417 1 7 HELIX 6 6 GLY A 420 ASN A 439 1 20 HELIX 7 7 GLN A 441 ASN A 455 1 15 HELIX 8 8 GLY A 457 PHE A 461 5 5 HELIX 9 9 THR A 465 GLY A 494 1 30 HELIX 10 10 THR A 496 TYR A 526 1 31 HELIX 11 11 LEU A 536 LEU A 544 1 9 HELIX 12 12 THR B 1311 ALA B 1322 1 12 HELIX 13 13 MET B 1342 LYS B 1362 1 21 HELIX 14 14 THR B 1371 SER B 1395 1 25 HELIX 15 15 ASP B 1411 LYS B 1416 1 6 HELIX 16 16 GLY B 1420 ASN B 1439 1 20 HELIX 17 17 GLN B 1441 ASN B 1455 1 15 HELIX 18 18 GLY B 1457 PHE B 1461 5 5 HELIX 19 19 LEU B 1466 GLY B 1494 1 29 HELIX 20 20 THR B 1496 TYR B 1526 1 31 HELIX 21 21 LEU B 1536 LEU B 1544 1 9 SHEET 1 A 2 LEU A 402 LEU A 403 0 SHEET 2 A 2 LEU A 409 LEU A 410 -1 O LEU A 410 N LEU A 402 SHEET 1 B 2 LEU B1402 ALA B1405 0 SHEET 2 B 2 LEU B1408 LEU B1410 -1 O LEU B1408 N ALA B1405 SITE 1 AC1 12 MET A 343 LEU A 349 ALA A 350 GLU A 353 SITE 2 AC1 12 LEU A 384 MET A 388 PHE A 404 VAL A 418 SITE 3 AC1 12 MET A 421 LEU A 428 HIS A 524 LEU A 525 SITE 1 AC2 10 LEU B1349 GLU B1353 LEU B1384 MET B1388 SITE 2 AC2 10 GLU B1419 ILE B1424 LEU B1428 GLY B1521 SITE 3 AC2 10 HIS B1524 LEU B1525 CRYST1 99.860 99.860 54.900 90.00 90.00 90.00 P 41 8 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.010014 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010014 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018215 0.00000