PDB Short entry for 1OSH HEADER TRANSCRIPTION 19-MAR-03 1OSH TITLE A CHEMICAL, GENETIC, AND STRUCTURAL ANALYSIS OF THE NUCLEAR BILE ACID TITLE 2 RECEPTOR FXR COMPND MOL_ID: 1; COMPND 2 MOLECULE: BILE ACID RECEPTOR; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: LIGAND BINDING DOMAIN; COMPND 5 SYNONYM: FARNESOID X-ACTIVATED RECEPTOR, FARNESOL RECEPTOR HRR-1, COMPND 6 RETINOID X RECEPTOR-INTERACTING PROTEIN 14, RXR-INTERACTING PROTEIN COMPND 7 14; COMPND 8 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: NR1H4; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PHIS8-3 KEYWDS NUCLEAR RECEPTOR, LIGAND BINDING DOMAIN, TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR M.DOWNES,M.A.VERDECIA,A.J.ROECKER,R.HUGHES,J.B.HOGENESCH,H.R.KAST- AUTHOR 2 WOELBERN,M.E.BOWMAN,J.-L.FERRER,A.M.ANISFELD,P.A.EDWARDS, AUTHOR 3 J.M.ROSENFELD,J.G.A.ALVAREZ,J.P.NOEL,K.C.NICOLAOU,R.M.EVANS REVDAT 3 14-FEB-24 1OSH 1 REMARK SEQADV REVDAT 2 24-FEB-09 1OSH 1 VERSN REVDAT 1 23-SEP-03 1OSH 0 JRNL AUTH M.DOWNES,M.A.VERDECIA,A.J.ROECKER,R.HUGHES,J.B.HOGENESCH, JRNL AUTH 2 H.R.KAST-WOELBERN,M.E.BOWMAN,J.-L.FERRER,A.M.ANISFELD, JRNL AUTH 3 P.A.EDWARDS,J.M.ROSENFELD,J.G.ALVAREZ,J.P.NOEL,K.C.NICOLAOU, JRNL AUTH 4 R.M.EVANS JRNL TITL A CHEMICAL, GENETIC, AND STRUCTURAL ANALYSIS OF THE NUCLEAR JRNL TITL 2 BILE ACID RECEPTOR FXR JRNL REF MOL.CELL V. 11 1079 2003 JRNL REFN ISSN 1097-2765 JRNL PMID 12718892 JRNL DOI 10.1016/S1097-2765(03)00104-7 REMARK 2 REMARK 2 RESOLUTION. 1.80 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 58.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1374830.080 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.8 REMARK 3 NUMBER OF REFLECTIONS : 22591 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) : 0.215 REMARK 3 FREE R VALUE : 0.234 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.200 REMARK 3 FREE R VALUE TEST SET COUNT : 1165 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 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) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.91 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 77.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2834 REMARK 3 BIN R VALUE (WORKING SET) : 0.3860 REMARK 3 BIN FREE R VALUE : 0.3710 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 151 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.030 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1768 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 37 REMARK 3 SOLVENT ATOMS : 179 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 22.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 6.35000 REMARK 3 B22 (A**2) : -3.48000 REMARK 3 B33 (A**2) : -2.87000 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) : 0.25 REMARK 3 ESD FROM SIGMAA (A) : 0.40 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) : 0.23 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.39 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.024 REMARK 3 BOND ANGLES (DEGREES) : 2.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 20.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.850 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 : 0.37 REMARK 3 BSOL : 41.88 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 : ION.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : FEXARAMINE.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : ION.TOP REMARK 3 TOPOLOGY FILE 3 : WATER_REP.TOP REMARK 3 TOPOLOGY FILE 4 : FEXARAMINE.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1OSH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-AUG-03. REMARK 100 THE DEPOSITION ID IS D_1000018625. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-SEP-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : BM30A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : MIRRORS REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : 1.780 REMARK 200 RESOLUTION RANGE LOW (A) : 58.720 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 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: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SOLVE, RESOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.55 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, MGCL, HEPES, PH 7.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 18.32800 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 58.82300 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.38800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 58.82300 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 18.32800 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.38800 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 GLN A 271 REMARK 465 GLU A 272 REMARK 465 ILE A 273 REMARK 465 THR A 274 REMARK 465 ASN A 275 REMARK 465 LYS A 276 REMARK 465 ILE A 277 REMARK 465 LEU A 278 REMARK 465 LYS A 279 REMARK 465 GLU A 280 REMARK 465 GLU A 281 REMARK 465 PHE A 282 REMARK 465 SER A 283 REMARK 465 ALA A 284 REMARK 465 GLU A 285 REMARK 465 GLN A 476 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 NH1 ARG A 399 O HOH A 1009 1.76 REMARK 500 NH1 ARG A 405 O HOH A 1003 1.96 REMARK 500 N GLU A 364 O HOH A 1007 2.09 REMARK 500 O ARG A 399 O HOH A 1003 2.10 REMARK 500 ND2 ASN A 287 NH2 ARG A 355 2.13 REMARK 500 NH1 ARG A 459 O HOH A 1013 2.14 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 OG SER A 245 O HOH A 1131 3555 2.05 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 PRO A 270 C - N - CA ANGL. DEV. = 9.4 DEGREES REMARK 500 PRO A 270 C - N - CD ANGL. DEV. = -32.3 DEGREES REMARK 500 ASP A 462 N - CA - C ANGL. DEV. = 21.4 DEGREES REMARK 500 ASP A 462 CA - C - N ANGL. DEV. = -14.2 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 MET A 269 -158.48 -151.40 REMARK 500 ASP A 363 -162.58 -62.42 REMARK 500 GLU A 364 -42.07 61.72 REMARK 500 ASP A 462 102.87 -9.85 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 FEX A 1 DBREF 1OSH A 248 476 UNP Q96RI1 NR1H4_HUMAN 248 476 SEQADV 1OSH SER A 245 UNP Q96RI1 CLONING ARTIFACT SEQADV 1OSH HIS A 246 UNP Q96RI1 CLONING ARTIFACT SEQADV 1OSH GLY A 247 UNP Q96RI1 CLONING ARTIFACT SEQRES 1 A 232 SER HIS GLY GLU LEU THR PRO ASP GLN GLN THR LEU LEU SEQRES 2 A 232 HIS PHE ILE MET ASP SER TYR ASN LYS GLN ARG MET PRO SEQRES 3 A 232 GLN GLU ILE THR ASN LYS ILE LEU LYS GLU GLU PHE SER SEQRES 4 A 232 ALA GLU GLU ASN PHE LEU ILE LEU THR GLU MET ALA THR SEQRES 5 A 232 ASN HIS VAL GLN VAL LEU VAL GLU PHE THR LYS LYS LEU SEQRES 6 A 232 PRO GLY PHE GLN THR LEU ASP HIS GLU ASP GLN ILE ALA SEQRES 7 A 232 LEU LEU LYS GLY SER ALA VAL GLU ALA MET PHE LEU ARG SEQRES 8 A 232 SER ALA GLU ILE PHE ASN LYS LYS LEU PRO SER GLY HIS SEQRES 9 A 232 SER ASP LEU LEU GLU GLU ARG ILE ARG ASN SER GLY ILE SEQRES 10 A 232 SER ASP GLU TYR ILE THR PRO MET PHE SER PHE TYR LYS SEQRES 11 A 232 SER ILE GLY GLU LEU LYS MET THR GLN GLU GLU TYR ALA SEQRES 12 A 232 LEU LEU THR ALA ILE VAL ILE LEU SER PRO ASP ARG GLN SEQRES 13 A 232 TYR ILE LYS ASP ARG GLU ALA VAL GLU LYS LEU GLN GLU SEQRES 14 A 232 PRO LEU LEU ASP VAL LEU GLN LYS LEU CYS LYS ILE HIS SEQRES 15 A 232 GLN PRO GLU ASN PRO GLN HIS PHE ALA CYS LEU LEU GLY SEQRES 16 A 232 ARG LEU THR GLU LEU ARG THR PHE ASN HIS HIS HIS ALA SEQRES 17 A 232 GLU MET LEU MET SER TRP ARG VAL ASN ASP HIS LYS PHE SEQRES 18 A 232 THR PRO LEU LEU CYS GLU ILE TRP ASP VAL GLN HET FEX A 1 37 HETNAM FEX METHYL 3-{3-[(CYCLOHEXYLCARBONYL){[4'-(DIMETHYLAMINO) HETNAM 2 FEX BIPHENYL-4-YL]METHYL}AMINO]PHENYL}ACRYLATE HETSYN FEX FEXARAMINE FORMUL 2 FEX C32 H38 N2 O3 FORMUL 3 HOH *179(H2 O) HELIX 1 1 THR A 250 ASN A 265 1 16 HELIX 2 2 GLU A 286 LYS A 308 1 23 HELIX 3 3 GLY A 311 LEU A 315 5 5 HELIX 4 4 ASP A 316 LYS A 343 1 28 HELIX 5 5 PRO A 345 ASN A 358 1 14 HELIX 6 6 TYR A 365 GLU A 378 1 14 HELIX 7 7 THR A 382 LEU A 395 1 14 HELIX 8 8 ASP A 404 GLN A 427 1 24 HELIX 9 9 GLN A 432 THR A 446 1 15 HELIX 10 10 THR A 446 ASN A 461 1 16 HELIX 11 11 THR A 466 ASP A 474 1 9 SITE 1 AC1 22 ASN A 287 PHE A 288 LEU A 291 THR A 292 SITE 2 AC1 22 MET A 294 ALA A 295 HIS A 298 SER A 336 SITE 3 AC1 22 ILE A 339 PHE A 340 LEU A 352 ARG A 355 SITE 4 AC1 22 ILE A 356 TYR A 365 MET A 369 PHE A 370 SITE 5 AC1 22 TYR A 373 MET A 454 TRP A 458 PHE A 465 SITE 6 AC1 22 TRP A 473 HOH A1142 CRYST1 36.656 56.776 117.646 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 0.027281 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017613 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008500 0.00000