HEADER HYDROLASE 03-APR-03 1OXR TITLE ASPIRIN INDUCES ITS ANTI-INFLAMMATORY EFFECTS THROUGH ITS SPECIFIC TITLE 2 BINDING TO PHOSPHOLIPASE A2: CRYSTAL STRUCTURE OF THE COMPLEX FORMED TITLE 3 BETWEEN PHOSPHOLIPASE A2 AND ASPIRIN AT 1.9A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOLIPASE A2 ISOFORM 3; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PHOSPHATIDYLCHOLINE 2-ACYLHYDROLASE; COMPND 5 EC: 3.1.1.4 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NAJA SAGITTIFERA; SOURCE 3 ORGANISM_TAXID: 195058; SOURCE 4 SECRETION: VENOM KEYWDS O-ACETYL-OXY PHENOL, COMPLEX, PLA2, NAJA NAJA SAGITTIFERA, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR R.K.SINGH,A.S.ETHAYATHULLA,T.JABEEN,S.SHARMA,P.KAUR,A.SRINIVASAN, AUTHOR 2 T.P.SINGH REVDAT 5 16-AUG-23 1OXR 1 REMARK HETSYN LINK REVDAT 4 11-OCT-17 1OXR 1 REMARK REVDAT 3 24-FEB-09 1OXR 1 VERSN REVDAT 2 10-MAY-05 1OXR 1 JRNL REVDAT 1 27-APR-04 1OXR 0 JRNL AUTH R.K.SINGH,A.S.ETHAYATHULLA,T.JABEEN,S.SHARMA,P.KAUR, JRNL AUTH 2 T.P.SINGH JRNL TITL ASPIRIN INDUCES ITS ANTI-INFLAMMATORY EFFECTS THROUGH ITS JRNL TITL 2 SPECIFIC BINDING TO PHOSPHOLIPASE A2: CRYSTAL STRUCTURE OF JRNL TITL 3 THE COMPLEX FORMED BETWEEN PHOSPHOLIPASE A2 AND ASPIRIN AT JRNL TITL 4 1.9 ANGSTROMS RESOLUTION. JRNL REF J.DRUG TARGET. V. 13 113 2005 JRNL REFN ISSN 1061-186X JRNL PMID 15823962 JRNL DOI 10.1080/10611860400024078 REMARK 2 REMARK 2 RESOLUTION. 1.93 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.0 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) : 1.93 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.35 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 7842 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) : 0.177 REMARK 3 R VALUE (WORKING SET) : 0.175 REMARK 3 FREE R VALUE : 0.204 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 866 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) : 1.93 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.98 REMARK 3 REFLECTION IN BIN (WORKING SET) : 554 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2000 REMARK 3 BIN FREE R VALUE SET COUNT : 60 REMARK 3 BIN FREE R VALUE : 0.2740 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 913 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 14 REMARK 3 SOLVENT ATOMS : 105 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 22.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.28 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.20000 REMARK 3 B22 (A**2) : 0.20000 REMARK 3 B33 (A**2) : -0.41000 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): 0.179 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.147 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.128 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.276 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.959 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.943 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 952 ; 0.011 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 749 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1292 ; 1.543 ; 1.950 REMARK 3 BOND ANGLES OTHERS (DEGREES): 1758 ; 0.821 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 117 ; 2.958 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 141 ;17.627 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 145 ;17.509 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 131 ; 0.122 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1098 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 200 ; 0.003 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 228 ; 0.308 ; 0.300 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 695 ; 0.203 ; 0.300 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): 59 ; 0.145 ; 0.500 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): 12 ; 0.206 ; 0.300 REMARK 3 SYMMETRY VDW OTHERS (A): 25 ; 0.292 ; 0.300 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 12 ; 0.107 ; 0.500 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): 588 ; 0.832 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 934 ; 1.635 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 364 ; 2.413 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 358 ; 3.767 ; 4.500 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 : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 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 1OXR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-APR-03. REMARK 100 THE DEPOSITION ID IS D_1000018779. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-FEB-03 REMARK 200 TEMPERATURE (KELVIN) : 290 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU300 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : MIRROR REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MAR REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8708 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.1 REMARK 200 DATA REDUNDANCY : 7.800 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.09900 REMARK 200 FOR THE DATA SET : 16.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.95 REMARK 200 COMPLETENESS FOR SHELL (%) : 75.6 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.22300 REMARK 200 FOR SHELL : 2.100 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 1LFF REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10MM SODIUM PHOSPHATE BUFFER, 2MM REMARK 280 CALCIUN CHLORIDE, 35% ETHANOL, PH 6.0, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y,X,Z+1/4 REMARK 290 4555 Y,-X,Z+3/4 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 32.56850 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 16.28425 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 48.85275 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 300 REMARK: THE BIOLOGICAL UNIT IS A MONOMER 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 SER A 15 C ARG A 17 N 0.207 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 ASP A 24 CB - CG - OD2 ANGL. DEV. = 6.5 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 ASP A 24 74.47 -153.50 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 201 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR A 28 O REMARK 620 2 GLY A 30 O 89.6 REMARK 620 3 GLY A 32 O 78.6 85.0 REMARK 620 4 ASP A 49 OD1 95.0 139.1 135.7 REMARK 620 5 ASP A 49 OD2 80.1 168.1 87.1 48.8 REMARK 620 6 AIN A 141 O1 74.7 75.3 146.6 66.9 107.3 REMARK 620 7 HOH A 232 O 154.0 91.8 75.7 100.9 94.9 130.7 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AIN A 141 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 201 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1LFF RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF AN ACIDIC PHOSPHOLIPASE A2 FROM NAJA NAJA REMARK 900 SAGITTIFERA AT 1.5 A RESOLUTION REMARK 900 RELATED ID: 1LN8 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF A NEW ISOFORM OF PHOSPHOLIPASE A2 FROM NAJA REMARK 900 NAJA SAGITTIFERA AT 1.6 A RESOLUTION DBREF 1OXR A 1 119 UNP P60045 PA23_NAJSG 8 126 SEQRES 1 A 119 ASN LEU TYR GLN PHE LYS ASN MET ILE GLN CYS THR VAL SEQRES 2 A 119 PRO SER ARG SER TRP GLN ASP PHE ALA ASP TYR GLY CYS SEQRES 3 A 119 TYR CYS GLY LYS GLY GLY SER GLY THR PRO VAL ASP ASP SEQRES 4 A 119 LEU ASP ARG CYS CYS GLN VAL HIS ASP ASN CYS TYR ASN SEQRES 5 A 119 GLU ALA GLU ASN ILE SER GLY CYS ARG PRO TYR PHE LYS SEQRES 6 A 119 THR TYR SER TYR GLU CYS THR GLN GLY THR LEU THR CYS SEQRES 7 A 119 LYS GLY ASP ASN ASN ALA CYS ALA ALA SER VAL CYS ASP SEQRES 8 A 119 CYS ASP ARG LEU ALA ALA ILE CYS PHE ALA GLY ALA PRO SEQRES 9 A 119 TYR ASN ASP ALA ASN TYR ASN ILE ASP LEU LYS ALA ARG SEQRES 10 A 119 CYS ASN HET AIN A 141 13 HET CA A 201 1 HETNAM AIN 2-(ACETYLOXY)BENZOIC ACID HETNAM CA CALCIUM ION HETSYN AIN ACETYLSALICYLIC ACID; ASPIRIN FORMUL 2 AIN C9 H8 O4 FORMUL 3 CA CA 2+ FORMUL 4 HOH *105(H2 O) HELIX 1 1 ASN A 1 VAL A 13 1 13 HELIX 2 2 SER A 18 PHE A 22 5 5 HELIX 3 3 ASP A 39 GLU A 56 1 18 HELIX 4 4 ASN A 84 ALA A 104 1 21 HELIX 5 5 ASN A 107 TYR A 111 5 5 HELIX 6 6 ASP A 114 CYS A 119 1 6 SHEET 1 A 2 ASP A 24 TYR A 25 0 SHEET 2 A 2 CYS A 29 GLY A 30 -1 O CYS A 29 N TYR A 25 SHEET 1 B 2 TYR A 70 THR A 73 0 SHEET 2 B 2 THR A 76 CYS A 79 -1 O THR A 78 N GLU A 71 SSBOND 1 CYS A 11 CYS A 72 1555 1555 1.97 SSBOND 2 CYS A 27 CYS A 119 1555 1555 2.01 SSBOND 3 CYS A 29 CYS A 45 1555 1555 2.04 SSBOND 4 CYS A 44 CYS A 100 1555 1555 2.01 SSBOND 5 CYS A 51 CYS A 93 1555 1555 2.01 SSBOND 6 CYS A 61 CYS A 86 1555 1555 2.00 SSBOND 7 CYS A 79 CYS A 91 1555 1555 1.99 LINK O TYR A 28 CA CA A 201 1555 1555 2.46 LINK O GLY A 30 CA CA A 201 1555 1555 2.46 LINK O GLY A 32 CA CA A 201 1555 1555 2.52 LINK OD1 ASP A 49 CA CA A 201 1555 1555 2.69 LINK OD2 ASP A 49 CA CA A 201 1555 1555 2.52 LINK O1 AIN A 141 CA CA A 201 1555 1555 2.83 LINK CA CA A 201 O HOH A 232 1555 1555 2.82 SITE 1 AC1 9 LEU A 2 PHE A 22 TYR A 28 GLY A 30 SITE 2 AC1 9 LYS A 31 ASP A 49 TYR A 64 CA A 201 SITE 3 AC1 9 HOH A 252 SITE 1 AC2 6 TYR A 28 GLY A 30 GLY A 32 ASP A 49 SITE 2 AC2 6 AIN A 141 HOH A 232 CRYST1 42.627 42.627 65.137 90.00 90.00 90.00 P 41 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 0.023459 0.000000 0.000000 0.00000 SCALE2 0.000000 0.023459 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015352 0.00000