HEADER HYDROLASE 17-AUG-11 3TG2 TITLE CRYSTAL STRUCTURE OF THE ISC DOMAIN OF VIBB IN COMPLEX WITH TITLE 2 ISOCHORISMATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: VIBRIOBACTIN-SPECIFIC ISOCHORISMATASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: ISC DOMAIN, UNP RESIDUES 1-215; COMPND 5 SYNONYM: 2,3 DIHYDRO-2,3 DIHYDROXYBENZOATE SYNTHASE, ISOCHORISMATE COMPND 6 LYASE-ARCP; COMPND 7 EC: 3.3.2.1; COMPND 8 ENGINEERED: YES; COMPND 9 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: VIBRIO CHOLERAE; SOURCE 3 ORGANISM_TAXID: 666; SOURCE 4 STRAIN: EL TOR INABA N16961; SOURCE 5 GENE: VC_0771, VIBB; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET21B KEYWDS ISOCHORISMATASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR S.LIU,C.ZHANG,B.NIU,N.LI,X.LIU,M.LIU,T.WEI,D.ZHU,Y.HUANG,S.XU,L.GU REVDAT 3 01-NOV-23 3TG2 1 REMARK SEQADV REVDAT 2 01-JAN-14 3TG2 1 JRNL REVDAT 1 29-AUG-12 3TG2 0 JRNL AUTH S.LIU,C.ZHANG,N.LI,B.NIU,M.LIU,X.LIU,T.WEI,D.ZHU,Y.HUANG, JRNL AUTH 2 S.XU,L.GU JRNL TITL STRUCTURAL INSIGHT INTO THE ISC DOMAIN OF VIBB FROM VIBRIO JRNL TITL 2 CHOLERAE AT ATOMIC RESOLUTION: A SNAPSHOT JUST BEFORE THE JRNL TITL 3 ENZYMATIC REACTION JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 68 1329 2012 JRNL REFN ISSN 0907-4449 JRNL PMID 22993087 JRNL DOI 10.1107/S090744491202848X REMARK 2 REMARK 2 RESOLUTION. 1.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.6.4_486) 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) : 1.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.21 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.8 REMARK 3 NUMBER OF REFLECTIONS : 83936 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.128 REMARK 3 R VALUE (WORKING SET) : 0.127 REMARK 3 FREE R VALUE : 0.144 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.290 REMARK 3 FREE R VALUE TEST SET COUNT : 1923 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 25.2169 - 2.6518 1.00 6434 150 0.1489 0.1690 REMARK 3 2 2.6518 - 2.1051 1.00 6216 149 0.1255 0.1318 REMARK 3 3 2.1051 - 1.8391 0.99 6136 147 0.1169 0.1342 REMARK 3 4 1.8391 - 1.6710 0.99 6041 143 0.1153 0.1389 REMARK 3 5 1.6710 - 1.5513 0.99 6040 144 0.1088 0.1247 REMARK 3 6 1.5513 - 1.4598 0.98 5970 144 0.1064 0.1241 REMARK 3 7 1.4598 - 1.3867 0.97 5939 142 0.1058 0.1205 REMARK 3 8 1.3867 - 1.3263 0.97 5844 135 0.1058 0.1272 REMARK 3 9 1.3263 - 1.2753 0.95 5806 130 0.1056 0.1150 REMARK 3 10 1.2753 - 1.2313 0.95 5740 135 0.1056 0.1448 REMARK 3 11 1.2313 - 1.1928 0.94 5678 126 0.1076 0.1186 REMARK 3 12 1.1928 - 1.1587 0.93 5547 133 0.1261 0.1520 REMARK 3 13 1.1587 - 1.1282 0.91 5516 130 0.1465 0.1700 REMARK 3 14 1.1282 - 1.1007 0.84 5106 115 0.1987 0.2493 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 : 0.43 REMARK 3 B_SOL : 49.63 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.090 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 12.030 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) : 0.36440 REMARK 3 B22 (A**2) : 0.36440 REMARK 3 B33 (A**2) : -0.72880 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 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 : 0.009 1790 REMARK 3 ANGLE : 1.412 2472 REMARK 3 CHIRALITY : 0.080 279 REMARK 3 PLANARITY : 0.008 320 REMARK 3 DIHEDRAL : 19.488 708 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 3TG2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 30-AUG-11. REMARK 100 THE DEPOSITION ID IS D_1000067437. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-MAY-09 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL17U 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 : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 87374 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.100 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 15.30 REMARK 200 R MERGE (I) : 0.06900 REMARK 200 R SYM (I) : 0.06900 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 44.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.12 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.0 REMARK 200 DATA REDUNDANCY IN SHELL : 4.40 REMARK 200 R MERGE FOR SHELL (I) : 0.52800 REMARK 200 R SYM FOR SHELL (I) : 0.52800 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 3TB4 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.81 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 50MM CACL2, 0.1M BIS-TRIS PH 6.5, 28% REMARK 280 PEG MME 500, 40MM MGCL2, 2.4MM CHORISMATE, 0.02MG/ML ENTC REMARK 280 (ISOCHRISMATE SYNTHASE FROM ESCHERICHIA COLI O157) , VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 79.86133 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 39.93067 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 39.93067 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 79.86133 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: 3830 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15740 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -7.0 KCAL/MOL 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 350 BIOMT1 2 -0.500000 0.866025 0.000000 83.37600 REMARK 350 BIOMT2 2 0.866025 0.500000 0.000000 -48.13716 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 305 LIES ON A SPECIAL POSITION. 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 MET A 1 REMARK 465 ALA A 207 REMARK 465 GLN A 208 REMARK 465 HIS A 209 REMARK 465 SER A 210 REMARK 465 LYS A 211 REMARK 465 LEU A 212 REMARK 465 THR A 213 REMARK 465 GLY A 214 REMARK 465 LEU A 215 REMARK 465 LEU A 216 REMARK 465 GLU A 217 REMARK 465 HIS A 218 REMARK 465 HIS A 219 REMARK 465 HIS A 220 REMARK 465 HIS A 221 REMARK 465 HIS A 222 REMARK 465 HIS A 223 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 O HOH A 351 O HOH A 363 2.12 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 HO1 PGE A 502 HO1 PGE A 502 4645 0.70 REMARK 500 O1 PGE A 502 HO1 PGE A 502 4645 1.41 REMARK 500 O HOH A 235 O HOH A 471 6664 2.06 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 ALA A 87 -131.99 54.70 REMARK 500 GLU A 99 -171.38 -170.99 REMARK 500 ILE A 150 -94.10 -111.78 REMARK 500 THR A 192 9.27 -150.80 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 ISC A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PGE A 502 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3TB4 RELATED DB: PDB REMARK 900 IN FREE FORM DBREF 3TG2 A 1 215 UNP P0C6D3 VIBB_VIBCH 1 215 SEQADV 3TG2 ASN A 35 UNP P0C6D3 ASP 35 ENGINEERED MUTATION SEQADV 3TG2 LEU A 216 UNP P0C6D3 EXPRESSION TAG SEQADV 3TG2 GLU A 217 UNP P0C6D3 EXPRESSION TAG SEQADV 3TG2 HIS A 218 UNP P0C6D3 EXPRESSION TAG SEQADV 3TG2 HIS A 219 UNP P0C6D3 EXPRESSION TAG SEQADV 3TG2 HIS A 220 UNP P0C6D3 EXPRESSION TAG SEQADV 3TG2 HIS A 221 UNP P0C6D3 EXPRESSION TAG SEQADV 3TG2 HIS A 222 UNP P0C6D3 EXPRESSION TAG SEQADV 3TG2 HIS A 223 UNP P0C6D3 EXPRESSION TAG SEQRES 1 A 223 MET ALA ILE PRO LYS ILE ALA SER TYR PRO LEU PRO VAL SEQRES 2 A 223 SER LEU PRO THR ASN LYS VAL ASP TRP ARG ILE ASP ALA SEQRES 3 A 223 SER ARG ALA VAL LEU LEU ILE HIS ASN MET GLN GLU TYR SEQRES 4 A 223 PHE VAL HIS TYR PHE ASP SER GLN ALA GLU PRO ILE PRO SEQRES 5 A 223 SER LEU ILE LYS HIS ILE GLN GLN LEU LYS ALA HIS ALA SEQRES 6 A 223 LYS GLN ALA GLY ILE PRO VAL VAL TYR THR ALA GLN PRO SEQRES 7 A 223 ALA ASN GLN ASP PRO ALA GLU ARG ALA LEU LEU SER ASP SEQRES 8 A 223 PHE TRP GLY PRO GLY LEU SER GLU GLU THR ALA ILE ILE SEQRES 9 A 223 ALA PRO LEU ALA PRO GLU SER GLY ASP VAL GLN LEU THR SEQRES 10 A 223 LYS TRP ARG TYR SER ALA PHE LYS LYS SER PRO LEU LEU SEQRES 11 A 223 ASP TRP LEU ARG GLU THR GLY ARG ASP GLN LEU ILE ILE SEQRES 12 A 223 THR GLY VAL TYR ALA HIS ILE GLY ILE LEU SER THR ALA SEQRES 13 A 223 LEU ASP ALA PHE MET PHE ASP ILE GLN PRO PHE VAL ILE SEQRES 14 A 223 GLY ASP GLY VAL ALA ASP PHE SER LEU SER ASP HIS GLU SEQRES 15 A 223 PHE SER LEU ARG TYR ILE SER GLY ARG THR GLY ALA VAL SEQRES 16 A 223 LYS SER THR GLN GLN ALA CYS LEU GLU ILE ALA ALA GLN SEQRES 17 A 223 HIS SER LYS LEU THR GLY LEU LEU GLU HIS HIS HIS HIS SEQRES 18 A 223 HIS HIS HET ISC A 501 24 HET PGE A 502 24 HETNAM ISC (5S,6S)-5-[(1-CARBOXYETHENYL)OXY]-6-HYDROXYCYCLOHEXA-1, HETNAM 2 ISC 3-DIENE-1-CARBOXYLIC ACID HETNAM PGE TRIETHYLENE GLYCOL HETSYN ISC ISOCHORISMIC ACID FORMUL 2 ISC C10 H10 O6 FORMUL 3 PGE C6 H14 O4 FORMUL 4 HOH *265(H2 O) HELIX 1 1 GLN A 37 HIS A 42 1 6 HELIX 2 2 PRO A 50 GLY A 69 1 20 HELIX 3 3 ASP A 82 ALA A 87 1 6 HELIX 4 4 LEU A 88 GLY A 94 1 7 HELIX 5 5 ILE A 104 ALA A 108 5 5 HELIX 6 6 PRO A 128 GLY A 137 1 10 HELIX 7 7 ILE A 150 PHE A 162 1 13 HELIX 8 8 SER A 177 THR A 192 1 16 HELIX 9 9 SER A 197 ALA A 206 1 10 SHEET 1 A 6 VAL A 114 THR A 117 0 SHEET 2 A 6 VAL A 72 ALA A 76 1 N TYR A 74 O LEU A 116 SHEET 3 A 6 ALA A 29 HIS A 34 1 N LEU A 31 O VAL A 73 SHEET 4 A 6 GLN A 140 VAL A 146 1 O ILE A 142 N LEU A 32 SHEET 5 A 6 GLN A 165 ALA A 174 1 O PHE A 167 N ILE A 143 SHEET 6 A 6 ALA A 194 LYS A 196 1 O ALA A 194 N PRO A 166 CISPEP 1 GLU A 49 PRO A 50 0 7.71 CISPEP 2 GLU A 49 PRO A 50 0 6.80 CISPEP 3 VAL A 146 TYR A 147 0 -10.71 SITE 1 AC1 16 HIS A 34 ASN A 35 PHE A 40 GLN A 77 SITE 2 AC1 16 ARG A 86 LEU A 89 TRP A 93 TYR A 121 SITE 3 AC1 16 VAL A 146 TYR A 147 ILE A 150 GLY A 151 SITE 4 AC1 16 HOH A 271 HOH A 280 HOH A 281 HOH A 304 SITE 1 AC2 6 HIS A 149 ASP A 180 ARG A 186 TYR A 187 SITE 2 AC2 6 HOH A 253 HOH A 393 CRYST1 55.584 55.584 119.792 90.00 90.00 120.00 P 32 2 1 6 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 0.017991 0.010387 0.000000 0.00000 SCALE2 0.000000 0.020774 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008348 0.00000