HEADER HYDROLASE 19-JUN-24 9CBD TITLE PIKROMYCIN THIOESTERASE DOMAIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: NARBONOLIDE/10-DEOXYMETHYNOLIDE SYNTHASE PIKA4, MODULE 6; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: NARBONOLIDE/10-DEOXYMETHYNOLIDE SYNTHASE PIKAIV,PIKROMYCIN COMPND 5 POLYKETIDE SYNTHASE COMPONENT PIKAIV,PIKROMYCIN PKS COMPONENT PIKAIV, COMPND 6 TYPE I MODULAR POLYKETIDE SYNTHASE PIKAIV,PKS; COMPND 7 EC: 3.1.2.-; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES VENEZUELAE; SOURCE 3 ORGANISM_TAXID: 54571; SOURCE 4 GENE: PIKAIV; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS POLYKETIDE SYNTHASE, PKS, THIOESTERASE, TE, MACROLACTONIZATION, KEYWDS 2 PIKROMYCIN, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR T.M.MCCULLOUGH,J.L.SMITH REVDAT 1 18-SEP-24 9CBD 0 JRNL AUTH T.M.MCCULLOUGH,V.CHOUDHARY,D.L.AKEY,M.A.SKIBA,S.M.BERNARD, JRNL AUTH 2 J.D.KITTENDORF,J.J.SCHMIDT,D.H.SHERMAN,J.L.SMITH JRNL TITL SUBSTRATE TRAPPING IN POLYKETIDE SYNTHASE THIOESTERASE JRNL TITL 2 DOMAINS: STRUCTURAL BASIS FOR MACROLACTONE FORMATION JRNL REF ACS CATALYSIS V. 14 12551 2024 JRNL REFN ESSN 2155-5435 JRNL DOI 10.1021/ACSCATAL.4C03637 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.15.2_3472: ???) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 48.04 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 92404 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.198 REMARK 3 R VALUE (WORKING SET) : 0.198 REMARK 3 FREE R VALUE : 0.228 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.410 REMARK 3 FREE R VALUE TEST SET COUNT : 2230 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 48.0380 - 5.0379 1.00 5615 137 0.1582 0.1867 REMARK 3 2 5.0379 - 3.9994 0.99 5620 139 0.1526 0.1761 REMARK 3 3 3.9994 - 3.4940 1.00 5638 138 0.1665 0.1880 REMARK 3 4 3.4940 - 3.1746 1.00 5627 150 0.1975 0.2513 REMARK 3 5 3.1746 - 2.9471 1.00 5630 144 0.2000 0.2358 REMARK 3 6 2.9471 - 2.7734 1.00 5655 134 0.2165 0.2770 REMARK 3 7 2.7734 - 2.6345 0.99 5607 144 0.2235 0.2578 REMARK 3 8 2.6345 - 2.5198 1.00 5626 134 0.2303 0.2510 REMARK 3 9 2.5198 - 2.4228 1.00 5670 140 0.2358 0.2491 REMARK 3 10 2.4228 - 2.3392 1.00 5620 147 0.2387 0.2758 REMARK 3 11 2.3392 - 2.2661 1.00 5678 127 0.2453 0.2670 REMARK 3 12 2.2661 - 2.2013 1.00 5641 155 0.2719 0.3300 REMARK 3 13 2.2013 - 2.1433 1.00 5677 144 0.2905 0.2763 REMARK 3 14 2.1433 - 2.0910 1.00 5581 141 0.3052 0.3425 REMARK 3 15 2.0910 - 2.0435 1.00 5689 120 0.3131 0.3543 REMARK 3 16 2.0435 - 2.0000 1.00 5600 136 0.3211 0.3160 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.270 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 24.750 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) : 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.008 4300 REMARK 3 ANGLE : 0.871 5860 REMARK 3 CHIRALITY : 0.049 628 REMARK 3 PLANARITY : 0.006 794 REMARK 3 DIHEDRAL : 16.088 2544 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 9CBD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-JUN-24. REMARK 100 THE DEPOSITION ID IS D_1000285012. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-MAR-23 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 23-ID-B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.033 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 48701 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 48.040 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 6.300 REMARK 200 R MERGE (I) : 0.09000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 1.55000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.66 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.98 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.2 M LITHIUM CHLORIDE, 25% W/V REMARK 280 PEG4000, 100 MM HEPES, PH 8.5, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293.15K 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 29.28950 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 57.02400 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 52.96600 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 57.02400 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 29.28950 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 52.96600 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: 1520 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23270 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -15.0 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 SER A 1054 REMARK 465 ASN A 1055 REMARK 465 ALA A 1056 REMARK 465 ARG A 1112 REMARK 465 ALA A 1113 REMARK 465 GLY A 1158 REMARK 465 THR A 1159 REMARK 465 GLY A 1160 REMARK 465 THR A 1161 REMARK 465 GLY A 1340 REMARK 465 ILE A 1341 REMARK 465 GLU A 1342 REMARK 465 GLY A 1343 REMARK 465 ALA A 1344 REMARK 465 GLY A 1345 REMARK 465 LYS A 1346 REMARK 465 SER B 1054 REMARK 465 ASN B 1055 REMARK 465 ALA B 1056 REMARK 465 ARG B 1112 REMARK 465 ALA B 1113 REMARK 465 GLY B 1158 REMARK 465 THR B 1159 REMARK 465 GLY B 1160 REMARK 465 THR B 1161 REMARK 465 GLY B 1340 REMARK 465 ILE B 1341 REMARK 465 GLU B 1342 REMARK 465 GLY B 1343 REMARK 465 ALA B 1344 REMARK 465 GLY B 1345 REMARK 465 LYS B 1346 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 NH2 ARG B 1321 O HOH B 1401 2.19 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 ASP A1101 108.65 -42.49 REMARK 500 SER A1196 -122.24 66.08 REMARK 500 TRP A1292 119.04 -160.70 REMARK 500 ARG A1321 -71.88 -98.40 REMARK 500 ALA B1095 0.95 -67.91 REMARK 500 LEU B1100 31.39 -92.09 REMARK 500 SER B1196 -121.91 59.26 REMARK 500 ALA B1301 157.40 -48.71 REMARK 500 ARG B1321 -93.99 -117.57 REMARK 500 REMARK 500 REMARK: NULL DBREF 9CBD A 1057 1346 UNP Q9ZGI2 PIKA4_STRVZ 1057 1346 DBREF 9CBD B 1057 1346 UNP Q9ZGI2 PIKA4_STRVZ 1057 1346 SEQADV 9CBD SER A 1054 UNP Q9ZGI2 EXPRESSION TAG SEQADV 9CBD ASN A 1055 UNP Q9ZGI2 EXPRESSION TAG SEQADV 9CBD ALA A 1056 UNP Q9ZGI2 EXPRESSION TAG SEQADV 9CBD SER B 1054 UNP Q9ZGI2 EXPRESSION TAG SEQADV 9CBD ASN B 1055 UNP Q9ZGI2 EXPRESSION TAG SEQADV 9CBD ALA B 1056 UNP Q9ZGI2 EXPRESSION TAG SEQRES 1 A 293 SER ASN ALA ALA GLY MET PHE ARG ALA LEU PHE ARG GLN SEQRES 2 A 293 ALA VAL GLU ASP ASP ARG TYR GLY GLU PHE LEU ASP VAL SEQRES 3 A 293 LEU ALA GLU ALA SER ALA PHE ARG PRO GLN PHE ALA SER SEQRES 4 A 293 PRO GLU ALA CYS SER GLU ARG LEU ASP PRO VAL LEU LEU SEQRES 5 A 293 ALA GLY GLY PRO THR ASP ARG ALA GLU GLY ARG ALA VAL SEQRES 6 A 293 LEU VAL GLY CYS THR GLY THR ALA ALA ASN GLY GLY PRO SEQRES 7 A 293 HIS GLU PHE LEU ARG LEU SER THR SER PHE GLN GLU GLU SEQRES 8 A 293 ARG ASP PHE LEU ALA VAL PRO LEU PRO GLY TYR GLY THR SEQRES 9 A 293 GLY THR GLY THR GLY THR ALA LEU LEU PRO ALA ASP LEU SEQRES 10 A 293 ASP THR ALA LEU ASP ALA GLN ALA ARG ALA ILE LEU ARG SEQRES 11 A 293 ALA ALA GLY ASP ALA PRO VAL VAL LEU LEU GLY HIS SER SEQRES 12 A 293 GLY GLY ALA LEU LEU ALA HIS GLU LEU ALA PHE ARG LEU SEQRES 13 A 293 GLU ARG ALA HIS GLY ALA PRO PRO ALA GLY ILE VAL LEU SEQRES 14 A 293 VAL ASP PRO TYR PRO PRO GLY HIS GLN GLU PRO ILE GLU SEQRES 15 A 293 VAL TRP SER ARG GLN LEU GLY GLU GLY LEU PHE ALA GLY SEQRES 16 A 293 GLU LEU GLU PRO MET SER ASP ALA ARG LEU LEU ALA MET SEQRES 17 A 293 GLY ARG TYR ALA ARG PHE LEU ALA GLY PRO ARG PRO GLY SEQRES 18 A 293 ARG SER SER ALA PRO VAL LEU LEU VAL ARG ALA SER GLU SEQRES 19 A 293 PRO LEU GLY ASP TRP GLN GLU GLU ARG GLY ASP TRP ARG SEQRES 20 A 293 ALA HIS TRP ASP LEU PRO HIS THR VAL ALA ASP VAL PRO SEQRES 21 A 293 GLY ASP HIS PHE THR MET MET ARG ASP HIS ALA PRO ALA SEQRES 22 A 293 VAL ALA GLU ALA VAL LEU SER TRP LEU ASP ALA ILE GLU SEQRES 23 A 293 GLY ILE GLU GLY ALA GLY LYS SEQRES 1 B 293 SER ASN ALA ALA GLY MET PHE ARG ALA LEU PHE ARG GLN SEQRES 2 B 293 ALA VAL GLU ASP ASP ARG TYR GLY GLU PHE LEU ASP VAL SEQRES 3 B 293 LEU ALA GLU ALA SER ALA PHE ARG PRO GLN PHE ALA SER SEQRES 4 B 293 PRO GLU ALA CYS SER GLU ARG LEU ASP PRO VAL LEU LEU SEQRES 5 B 293 ALA GLY GLY PRO THR ASP ARG ALA GLU GLY ARG ALA VAL SEQRES 6 B 293 LEU VAL GLY CYS THR GLY THR ALA ALA ASN GLY GLY PRO SEQRES 7 B 293 HIS GLU PHE LEU ARG LEU SER THR SER PHE GLN GLU GLU SEQRES 8 B 293 ARG ASP PHE LEU ALA VAL PRO LEU PRO GLY TYR GLY THR SEQRES 9 B 293 GLY THR GLY THR GLY THR ALA LEU LEU PRO ALA ASP LEU SEQRES 10 B 293 ASP THR ALA LEU ASP ALA GLN ALA ARG ALA ILE LEU ARG SEQRES 11 B 293 ALA ALA GLY ASP ALA PRO VAL VAL LEU LEU GLY HIS SER SEQRES 12 B 293 GLY GLY ALA LEU LEU ALA HIS GLU LEU ALA PHE ARG LEU SEQRES 13 B 293 GLU ARG ALA HIS GLY ALA PRO PRO ALA GLY ILE VAL LEU SEQRES 14 B 293 VAL ASP PRO TYR PRO PRO GLY HIS GLN GLU PRO ILE GLU SEQRES 15 B 293 VAL TRP SER ARG GLN LEU GLY GLU GLY LEU PHE ALA GLY SEQRES 16 B 293 GLU LEU GLU PRO MET SER ASP ALA ARG LEU LEU ALA MET SEQRES 17 B 293 GLY ARG TYR ALA ARG PHE LEU ALA GLY PRO ARG PRO GLY SEQRES 18 B 293 ARG SER SER ALA PRO VAL LEU LEU VAL ARG ALA SER GLU SEQRES 19 B 293 PRO LEU GLY ASP TRP GLN GLU GLU ARG GLY ASP TRP ARG SEQRES 20 B 293 ALA HIS TRP ASP LEU PRO HIS THR VAL ALA ASP VAL PRO SEQRES 21 B 293 GLY ASP HIS PHE THR MET MET ARG ASP HIS ALA PRO ALA SEQRES 22 B 293 VAL ALA GLU ALA VAL LEU SER TRP LEU ASP ALA ILE GLU SEQRES 23 B 293 GLY ILE GLU GLY ALA GLY LYS FORMUL 3 HOH *305(H2 O) HELIX 1 AA1 GLY A 1058 ASP A 1070 1 13 HELIX 2 AA2 ARG A 1072 ALA A 1085 1 14 HELIX 3 AA3 PHE A 1134 SER A 1140 1 7 HELIX 4 AA4 ASP A 1169 GLY A 1186 1 18 HELIX 5 AA5 SER A 1196 ALA A 1212 1 17 HELIX 6 AA6 GLN A 1231 TRP A 1237 1 7 HELIX 7 AA7 TRP A 1237 GLY A 1248 1 12 HELIX 8 AA8 SER A 1254 GLY A 1270 1 17 HELIX 9 AA9 GLN A 1293 GLY A 1297 5 5 HELIX 10 AB1 HIS A 1323 GLU A 1339 1 17 HELIX 11 AB2 GLY B 1058 ASP B 1070 1 13 HELIX 12 AB3 ARG B 1072 ALA B 1085 1 14 HELIX 13 AB4 SER B 1092 CYS B 1096 5 5 HELIX 14 AB5 PHE B 1134 SER B 1140 1 7 HELIX 15 AB6 ASP B 1169 GLY B 1186 1 18 HELIX 16 AB7 SER B 1196 GLY B 1214 1 19 HELIX 17 AB8 GLN B 1231 TRP B 1237 1 7 HELIX 18 AB9 TRP B 1237 GLY B 1248 1 12 HELIX 19 AC1 SER B 1254 GLY B 1270 1 17 HELIX 20 AC2 GLN B 1293 GLY B 1297 5 5 HELIX 21 AC3 PHE B 1317 ARG B 1321 5 5 HELIX 22 AC4 HIS B 1323 GLU B 1339 1 17 SHEET 1 AA1 2 GLN A1089 PHE A1090 0 SHEET 2 AA1 2 LEU A1166 PRO A1167 1 O LEU A1166 N PHE A1090 SHEET 1 AA2 7 VAL A1103 ALA A1106 0 SHEET 2 AA2 7 PHE A1147 VAL A1150 -1 O PHE A1147 N LEU A1105 SHEET 3 AA2 7 VAL A1118 CYS A1122 1 N GLY A1121 O LEU A1148 SHEET 4 AA2 7 VAL A1190 HIS A1195 1 O LEU A1193 N CYS A1122 SHEET 5 AA2 7 GLY A1219 VAL A1223 1 O VAL A1221 N LEU A1192 SHEET 6 AA2 7 VAL A1280 ALA A1285 1 O LEU A1281 N LEU A1222 SHEET 7 AA2 7 THR A1308 VAL A1312 1 O THR A1308 N LEU A1282 SHEET 1 AA3 2 GLN B1089 PHE B1090 0 SHEET 2 AA3 2 LEU B1166 PRO B1167 1 O LEU B1166 N PHE B1090 SHEET 1 AA4 7 VAL B1103 ALA B1106 0 SHEET 2 AA4 7 PHE B1147 VAL B1150 -1 O PHE B1147 N LEU B1105 SHEET 3 AA4 7 VAL B1118 CYS B1122 1 N GLY B1121 O LEU B1148 SHEET 4 AA4 7 VAL B1190 HIS B1195 1 O LEU B1193 N CYS B1122 SHEET 5 AA4 7 GLY B1219 VAL B1223 1 O VAL B1221 N LEU B1192 SHEET 6 AA4 7 VAL B1280 ALA B1285 1 O LEU B1281 N ILE B1220 SHEET 7 AA4 7 THR B1308 VAL B1312 1 O THR B1308 N LEU B1282 CRYST1 58.579 105.932 114.048 90.00 90.00 90.00 P 21 21 21 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 0.017071 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009440 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008768 0.00000