HEADER ISOMERASE 03-JAN-13 4IMO TITLE CRYSTAL STRUCTURE OF WILD TYPE HUMAN LIPOCALIN PGDS IN COMPLEX WITH TITLE 2 SUBSTRATE ANALOG U44069 COMPND MOL_ID: 1; COMPND 2 MOLECULE: LIPOCALIN-TYPE PROSTAGLANDIN-D SYNTHASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: BETA-TRACE PROTEIN, CEREBRIN-28, GLUTATHIONE-INDEPENDENT PGD COMPND 5 SYNTHASE, PROSTAGLANDIN-H2 D-ISOMERASE, PROSTAGLANDIN-D2 SYNTHASE, COMPND 6 PGD2 SYNTHASE, PGDS, PGDS2; COMPND 7 EC: 5.3.99.2; 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: PDS, PTGDS; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: ROSETTA BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PNIC-CH4 KEYWDS BETA BARREL, ISOMERASE, ENDOPLASMIC RETICULUM EXPDTA X-RAY DIFFRACTION AUTHOR S.M.LIM,D.CHEN,H.TEO,A.ROOS,T.NYMAN,L.TRESAUGUES,K.PERVUSHIN, AUTHOR 2 P.NORDLUND REVDAT 3 20-SEP-23 4IMO 1 REMARK SEQADV REVDAT 2 22-MAY-13 4IMO 1 JRNL REVDAT 1 20-MAR-13 4IMO 0 JRNL AUTH S.M.LIM,D.CHEN,H.TEO,A.ROOS,A.E.JANSSON,T.NYMAN, JRNL AUTH 2 L.TRESAUGUES,K.PERVUSHIN,P.NORDLUND JRNL TITL STRUCTURAL AND DYNAMIC INSIGHTS INTO SUBSTRATE BINDING AND JRNL TITL 2 CATALYSIS OF HUMAN LIPOCALIN PROSTAGLANDIN D SYNTHASE. JRNL REF J.LIPID RES. V. 54 1630 2013 JRNL REFN ISSN 0022-2275 JRNL PMID 23526831 JRNL DOI 10.1194/JLR.M035410 REMARK 2 REMARK 2 RESOLUTION. 1.88 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.7.0029 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.88 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 36.49 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 12074 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 + TEST SET) : 0.192 REMARK 3 R VALUE (WORKING SET) : 0.189 REMARK 3 FREE R VALUE : 0.242 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 620 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.88 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.93 REMARK 3 REFLECTION IN BIN (WORKING SET) : 869 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.1920 REMARK 3 BIN FREE R VALUE SET COUNT : 45 REMARK 3 BIN FREE R VALUE : 0.2640 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1215 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 56 REMARK 3 SOLVENT ATOMS : 82 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 23.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.51 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.16000 REMARK 3 B22 (A**2) : -0.71000 REMARK 3 B33 (A**2) : 0.55000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.165 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.156 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.103 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.340 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.943 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.918 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1324 ; 0.011 ; 0.020 REMARK 3 BOND LENGTHS OTHERS (A): 1240 ; 0.007 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1792 ; 1.508 ; 1.987 REMARK 3 BOND ANGLES OTHERS (DEGREES): 2877 ; 1.478 ; 3.016 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 164 ; 6.316 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 55 ;36.653 ;23.455 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 214 ;11.994 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 8 ;13.963 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 198 ; 0.082 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1475 ; 0.006 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 315 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 4IMO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-JAN-13. REMARK 100 THE DEPOSITION ID IS D_1000076944. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-SEP-11 REMARK 200 TEMPERATURE (KELVIN) : 198.0 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSRRC REMARK 200 BEAMLINE : BL13B1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97622 REMARK 200 MONOCHROMATOR : LN2-COOLED, FIXED-EXIT DOUBLE REMARK 200 CRYSTAL MONOCHROMATOR REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12735 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.880 REMARK 200 RESOLUTION RANGE LOW (A) : 36.490 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 4.200 REMARK 200 R MERGE (I) : 0.07800 REMARK 200 R SYM (I) : 0.07800 REMARK 200 FOR THE DATA SET : 7.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.88 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.98 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 4.20 REMARK 200 R MERGE FOR SHELL (I) : 0.35900 REMARK 200 R SYM FOR SHELL (I) : 0.27400 REMARK 200 FOR SHELL : 2.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER MR REMARK 200 STARTING MODEL: 2CZT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 34.79 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.89 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M POTASSIUM THIOCYANATE, 30% PEG REMARK 280 MME 2000, PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K 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 18.12000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 36.46000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.19000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 36.46000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 18.12000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.19000 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 MET A 22 REMARK 465 ALA A 23 REMARK 465 PRO A 24 REMARK 465 GLU A 25 REMARK 465 ALA A 26 REMARK 465 GLN A 27 REMARK 465 THR A 183 REMARK 465 ASP A 184 REMARK 465 LYS A 185 REMARK 465 CYS A 186 REMARK 465 MET A 187 REMARK 465 THR A 188 REMARK 465 GLU A 189 REMARK 465 GLN A 190 REMARK 465 ALA A 191 REMARK 465 HIS A 192 REMARK 465 HIS A 193 REMARK 465 HIS A 194 REMARK 465 HIS A 195 REMARK 465 HIS A 196 REMARK 465 HIS A 197 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 GLU A 57 -64.43 -98.40 REMARK 500 LYS A 86 -111.92 49.16 REMARK 500 TYR A 125 -39.72 70.79 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 PWZ A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PWZ A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SCN A 203 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SCN A 204 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4IMN RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF WILD TYPE HUMAN LIPOCALIN PGDS BOUND WITH PEG DBREF 4IMO A 23 190 UNP P41222 PTGDS_HUMAN 23 190 SEQADV 4IMO MET A 22 UNP P41222 EXPRESSION TAG SEQADV 4IMO ALA A 191 UNP P41222 EXPRESSION TAG SEQADV 4IMO HIS A 192 UNP P41222 EXPRESSION TAG SEQADV 4IMO HIS A 193 UNP P41222 EXPRESSION TAG SEQADV 4IMO HIS A 194 UNP P41222 EXPRESSION TAG SEQADV 4IMO HIS A 195 UNP P41222 EXPRESSION TAG SEQADV 4IMO HIS A 196 UNP P41222 EXPRESSION TAG SEQADV 4IMO HIS A 197 UNP P41222 EXPRESSION TAG SEQRES 1 A 176 MET ALA PRO GLU ALA GLN VAL SER VAL GLN PRO ASN PHE SEQRES 2 A 176 GLN GLN ASP LYS PHE LEU GLY ARG TRP PHE SER ALA GLY SEQRES 3 A 176 LEU ALA SER ASN SER SER TRP LEU ARG GLU LYS LYS ALA SEQRES 4 A 176 ALA LEU SER MET CYS LYS SER VAL VAL ALA PRO ALA THR SEQRES 5 A 176 ASP GLY GLY LEU ASN LEU THR SER THR PHE LEU ARG LYS SEQRES 6 A 176 ASN GLN CYS GLU THR ARG THR MET LEU LEU GLN PRO ALA SEQRES 7 A 176 GLY SER LEU GLY SER TYR SER TYR ARG SER PRO HIS TRP SEQRES 8 A 176 GLY SER THR TYR SER VAL SER VAL VAL GLU THR ASP TYR SEQRES 9 A 176 ASP GLN TYR ALA LEU LEU TYR SER GLN GLY SER LYS GLY SEQRES 10 A 176 PRO GLY GLU ASP PHE ARG MET ALA THR LEU TYR SER ARG SEQRES 11 A 176 THR GLN THR PRO ARG ALA GLU LEU LYS GLU LYS PHE THR SEQRES 12 A 176 ALA PHE CYS LYS ALA GLN GLY PHE THR GLU ASP THR ILE SEQRES 13 A 176 VAL PHE LEU PRO GLN THR ASP LYS CYS MET THR GLU GLN SEQRES 14 A 176 ALA HIS HIS HIS HIS HIS HIS HET PWZ A 201 25 HET PWZ A 202 25 HET SCN A 203 3 HET SCN A 204 3 HETNAM PWZ (5E)-7-{(1R,4S,5S,6R)-5-[(1E,3S)-3-HYDROXYOCT-1-EN-1- HETNAM 2 PWZ YL]-2-OXABICYCLO[2.2.1]HEPT-6-YL}HEPT-5-ENOIC ACID HETNAM SCN THIOCYANATE ION FORMUL 2 PWZ 2(C21 H34 O4) FORMUL 4 SCN 2(C N S 1-) FORMUL 6 HOH *82(H2 O) HELIX 1 1 GLN A 35 LEU A 40 1 6 HELIX 2 2 SER A 52 LYS A 58 1 7 HELIX 3 3 ARG A 156 GLN A 170 1 15 HELIX 4 4 THR A 173 ASP A 175 5 3 SHEET 1 A10 ILE A 177 PHE A 179 0 SHEET 2 A10 GLY A 41 SER A 50 -1 N LEU A 48 O VAL A 178 SHEET 3 A10 ARG A 144 SER A 150 -1 O LEU A 148 N GLY A 47 SHEET 4 A10 TYR A 128 LYS A 137 -1 N SER A 133 O MET A 145 SHEET 5 A10 SER A 114 THR A 123 -1 N THR A 115 O SER A 136 SHEET 6 A10 SER A 104 SER A 109 -1 N SER A 109 O SER A 114 SHEET 7 A10 GLN A 88 PRO A 98 -1 N GLN A 97 O SER A 106 SHEET 8 A10 LEU A 77 ARG A 85 -1 N LEU A 77 O LEU A 96 SHEET 9 A10 CYS A 65 PRO A 71 -1 N ALA A 70 O ASN A 78 SHEET 10 A10 GLY A 41 SER A 50 -1 N TRP A 43 O SER A 67 SITE 1 AC1 10 ARG A 42 TRP A 54 LYS A 66 VAL A 68 SITE 2 AC1 10 THR A 80 TRP A 112 TYR A 116 PRO A 139 SITE 3 AC1 10 GLY A 140 PHE A 143 SITE 1 AC2 11 SER A 45 SER A 67 SER A 81 TYR A 107 SITE 2 AC2 11 SER A 109 TRP A 112 TYR A 149 SCN A 203 SITE 3 AC2 11 HOH A 317 HOH A 327 HOH A 382 SITE 1 AC3 4 GLN A 36 ASP A 37 ARG A 85 PWZ A 202 SITE 1 AC4 5 PRO A 32 TYR A 128 LEU A 159 LYS A 162 SITE 2 AC4 5 HOH A 350 CRYST1 36.240 56.380 72.920 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 0.027594 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017737 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013714 0.00000