PDB Short entry for 1K4W HEADER HORMONE/GROWTH FACTOR 09-OCT-01 1K4W TITLE X-RAY STRUCTURE OF THE ORPHAN NUCLEAR RECEPTOR ROR BETA LIGAND-BINDING TITLE 2 DOMAIN IN THE ACTIVE CONFORMATION COMPND MOL_ID: 1; COMPND 2 MOLECULE: NUCLEAR RECEPTOR ROR-BETA; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: LIGAND-BINDING DOMAIN; COMPND 5 SYNONYM: NUCLEAR RECEPTOR RZR-BETA; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: STEROID RECEPTOR COACTIVATOR-1; COMPND 9 CHAIN: B; COMPND 10 FRAGMENT: SECOND NR-BOX; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: NORWAY RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: NR1F2; 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: PET-15B; SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES; SOURCE 13 OTHER_DETAILS: THE SEQUENCE OF THE PROTEIN WAS CHEMICALLY SOURCE 14 SYNTHESIZED. THIS SEQUENCE OCCURS NATURALLY IN HUMANS. KEYWDS LIGAND-BINDING DOMAIN, ALPHA-HELICAL SANDWICH, TRANSCRIPTIONALLY KEYWDS 2 ACTIVE CONFORMATION, HORMONE-GROWTH FACTOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR C.STEHLIN,J.M.WURTZ,A.STEINMETZ,E.GREINER,R.SCHUELE,D.MORAS, AUTHOR 2 J.P.RENAUD REVDAT 5 16-AUG-23 1K4W 1 REMARK REVDAT 4 21-JUL-21 1K4W 1 REMARK REVDAT 3 24-FEB-09 1K4W 1 VERSN REVDAT 2 01-APR-03 1K4W 1 JRNL REVDAT 1 09-APR-02 1K4W 0 JRNL AUTH C.STEHLIN,J.M.WURTZ,A.STEINMETZ,E.GREINER,R.SCHULE,D.MORAS, JRNL AUTH 2 J.P.RENAUD JRNL TITL X-RAY STRUCTURE OF THE ORPHAN NUCLEAR RECEPTOR RORBETA JRNL TITL 2 LIGAND-BINDING DOMAIN IN THE ACTIVE CONFORMATION. JRNL REF EMBO J. V. 20 5822 2001 JRNL REFN ISSN 0261-4189 JRNL PMID 11689423 JRNL DOI 10.1093/EMBOJ/20.21.5822 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH P.J.WILLY,D.J.MANGELSDORF REMARK 1 TITL NUCLEAR ORPHAN RECEPTORS: THE SEARCH FOR NOVEL LIGANDS AND REMARK 1 TITL 2 SIGNALING PATHWAYS REMARK 1 EDIT B.W.O'MALLEY REMARK 1 REF HORMONES AND SIGNALING V. 1 307 1998 REMARK 1 PUBL ACADEMIC PRESS REMARK 1 REFERENCE 2 REMARK 1 AUTH V.GIGUERE REMARK 1 TITL ORPHAN NUCLEAR RECEPTORS: FROM GENE TO FUNCTION REMARK 1 REF ENDOCR.REV. V. 20 689 1999 REMARK 1 REFN ISSN 0163-769X REMARK 1 DOI 10.1210/ER.20.5.689 REMARK 1 REFERENCE 3 REMARK 1 AUTH J.P.RENAUD,D.MORAS REMARK 1 TITL STRUCTURAL STUDIES ON NUCLEAR RECEPTORS REMARK 1 REF CELL.MOL.LIFE SCI. V. 57 1748 2000 REMARK 1 REFN ISSN 1420-682X REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.500 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 90.6 REMARK 3 NUMBER OF REFLECTIONS : 23854 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) : 0.224 REMARK 3 FREE R VALUE : 0.249 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 2372 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) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.91 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2048 REMARK 3 BIN FREE R VALUE : 0.1945 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.70 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 34 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 : 2066 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 20 REMARK 3 SOLVENT ATOMS : 137 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 28.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 30.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 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) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.282 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1K4W COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-OCT-01. REMARK 100 THE DEPOSITION ID IS D_1000014564. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-JUL-00 REMARK 200 TEMPERATURE (KELVIN) : 130 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-3 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.931 REMARK 200 MONOCHROMATOR : DIAMOND(111) REMARK 200 OPTICS : GE(220) FOCUSING REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28901 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 4.200 REMARK 200 R MERGE (I) : 0.03600 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 29.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.92 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.23100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 5.400 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: PDB ENTRY 2LBD REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.45 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.64 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 6000, NACL, TRIS.HCL, CHAPS, DTT, REMARK 280 PH 8.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K 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 26.15100 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 53.01800 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.24450 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 53.01800 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.15100 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 29.24450 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1850 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12440 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -8.0 KCAL/MOL 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 GLY A 201 REMARK 465 GLN A 202 REMARK 465 LEU A 203 REMARK 465 ALA A 204 REMARK 465 PRO A 205 REMARK 465 GLY A 206 REMARK 465 ILE A 207 REMARK 465 PRO A 452 REMARK 465 ARG B 686 REMARK 465 GLY B 697 REMARK 465 SER B 698 REMARK 465 PRO B 699 REMARK 465 SER B 700 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 O HOH A 808 O HOH A 952 4555 0.32 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 SER A 335 58.32 -141.24 REMARK 500 TRP A 374 -3.03 79.02 REMARK 500 ASN A 399 -96.33 -113.64 REMARK 500 HIS A 400 98.93 -42.77 REMARK 500 ASP A 402 -161.77 57.81 REMARK 500 ASP A 403 -105.03 169.65 REMARK 500 GLU A 404 -6.44 95.27 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 STE A 1001 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2LBD RELATED DB: PDB REMARK 900 2LBD CONTAINS THE RAR GAMMA LBD, THE CLOSEST HOMOLOG IN THE NUCLEAR REMARK 900 RECEPTOR FAMILY WITH EXPERIMENTALLY DETERMINED STRUCTURE. DBREF 1K4W A 201 452 UNP P45446 RORB_RAT 201 452 DBREF 1K4W B 686 700 GB 1906028 AAB50242 686 700 SEQRES 1 A 252 GLY GLN LEU ALA PRO GLY ILE THR MET SER GLU ILE ASP SEQRES 2 A 252 ARG ILE ALA GLN ASN ILE ILE LYS SER HIS LEU GLU THR SEQRES 3 A 252 CYS GLN TYR THR MET GLU GLU LEU HIS GLN LEU ALA TRP SEQRES 4 A 252 GLN THR HIS THR TYR GLU GLU ILE LYS ALA TYR GLN SER SEQRES 5 A 252 LYS SER ARG GLU ALA LEU TRP GLN GLN CYS ALA ILE GLN SEQRES 6 A 252 ILE THR HIS ALA ILE GLN TYR VAL VAL GLU PHE ALA LYS SEQRES 7 A 252 ARG ILE THR GLY PHE MET GLU LEU CYS GLN ASN ASP GLN SEQRES 8 A 252 ILE LEU LEU LEU LYS SER GLY CYS LEU GLU VAL VAL LEU SEQRES 9 A 252 VAL ARG MET CYS ARG ALA PHE ASN PRO LEU ASN ASN THR SEQRES 10 A 252 VAL LEU PHE GLU GLY LYS TYR GLY GLY MET GLN MET PHE SEQRES 11 A 252 LYS ALA LEU GLY SER ASP ASP LEU VAL ASN GLU ALA PHE SEQRES 12 A 252 ASP PHE ALA LYS ASN LEU CYS SER LEU GLN LEU THR GLU SEQRES 13 A 252 GLU GLU ILE ALA LEU PHE SER SER ALA VAL LEU ILE SER SEQRES 14 A 252 PRO ASP ARG ALA TRP LEU LEU GLU PRO ARG LYS VAL GLN SEQRES 15 A 252 LYS LEU GLN GLU LYS ILE TYR PHE ALA LEU GLN HIS VAL SEQRES 16 A 252 ILE GLN LYS ASN HIS LEU ASP ASP GLU THR LEU ALA LYS SEQRES 17 A 252 LEU ILE ALA LYS ILE PRO THR ILE THR ALA VAL CYS ASN SEQRES 18 A 252 LEU HIS GLY GLU LYS LEU GLN VAL PHE LYS GLN SER HIS SEQRES 19 A 252 PRO ASP ILE VAL ASN THR LEU PHE PRO PRO LEU TYR LYS SEQRES 20 A 252 GLU LEU PHE ASN PRO SEQRES 1 B 15 ARG HIS LYS ILE LEU HIS ARG LEU LEU GLN GLU GLY SER SEQRES 2 B 15 PRO SER HET STE A1001 20 HETNAM STE STEARIC ACID FORMUL 3 STE C18 H36 O2 FORMUL 4 HOH *137(H2 O) HELIX 1 1 THR A 208 THR A 226 1 19 HELIX 2 2 THR A 230 GLN A 236 1 7 HELIX 3 3 THR A 243 SER A 252 1 10 HELIX 4 4 SER A 254 ARG A 279 1 26 HELIX 5 5 ILE A 280 GLU A 285 1 6 HELIX 6 6 CYS A 287 CYS A 308 1 22 HELIX 7 7 GLY A 326 GLY A 334 5 9 HELIX 8 8 SER A 335 SER A 351 1 17 HELIX 9 9 THR A 355 ILE A 368 1 14 HELIX 10 10 GLU A 377 ASN A 399 1 23 HELIX 11 11 GLU A 404 ALA A 411 1 8 HELIX 12 12 LYS A 412 HIS A 434 1 23 HELIX 13 13 HIS A 434 PHE A 442 1 9 HELIX 14 14 PRO A 443 ASN A 451 1 9 HELIX 15 15 HIS B 687 GLU B 696 1 10 SHEET 1 A 3 PHE A 311 ASN A 312 0 SHEET 2 A 3 THR A 317 PHE A 320 -1 O THR A 317 N ASN A 312 SHEET 3 A 3 LYS A 323 GLY A 325 -1 O LYS A 323 N PHE A 320 SITE 1 AC1 10 GLN A 265 ILE A 266 ALA A 269 LEU A 300 SITE 2 AC1 10 LEU A 304 PHE A 330 LEU A 338 HOH A 938 SITE 3 AC1 10 HOH A 944 HOH A 946 CRYST1 52.302 58.489 106.036 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 0.019120 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017097 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009431 0.00000