HEADER HYDROLASE 30-MAR-03 1OWS TITLE CRYSTAL STRUCTURE OF A C49 PHOSPHOLIPASE A2 FROM INDIAN COBRA REVEALS TITLE 2 CARBOHYDRATE BINDING IN THE HYDROPHOBIC CHANNEL COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOLIPASE A2; COMPND 3 CHAIN: A; COMPND 4 EC: 3.1.1.4; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: PHOSPHOLIPASE A2; COMPND 7 CHAIN: B; COMPND 8 EC: 3.1.1.4 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NAJA NAJA; SOURCE 3 ORGANISM_COMMON: INDIAN COBRA; SOURCE 4 ORGANISM_TAXID: 35670; SOURCE 5 SECRETION: VENOM; SOURCE 6 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: NAJA NAJA; SOURCE 8 ORGANISM_COMMON: INDIAN COBRA; SOURCE 9 ORGANISM_TAXID: 35670; SOURCE 10 SECRETION: VENOM KEYWDS PHOSPHOLIPASE, ENZYME, PHOSPHOLIPIDS, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR T.JABEEN,J.JASTI,N.SINGH,R.K.SINGH,S.SHARMA,P.KAUR,T.P.SINGH REVDAT 6 30-OCT-24 1OWS 1 REMARK REVDAT 5 25-OCT-23 1OWS 1 HETSYN REVDAT 4 29-JUL-20 1OWS 1 COMPND REMARK HETNAM LINK REVDAT 4 2 1 SITE REVDAT 3 13-JUL-11 1OWS 1 VERSN REVDAT 2 24-FEB-09 1OWS 1 VERSN REVDAT 1 20-MAY-03 1OWS 0 JRNL AUTH T.JABEEN,J.JASTI,N.SINGH,R.K.SINGH,S.SHARMA,P.KAUR,T.P.SINGH JRNL TITL CRYSTAL STRUCTURE OF A C49 PHOSPHOLIPASE A2 FROM INDIAN JRNL TITL 2 COBRA REVEALS CARBOHYDRATE BINDING IN THE HYDROPHOBIC JRNL TITL 3 CHANNEL JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.9 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 2405287.860 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.0 REMARK 3 NUMBER OF REFLECTIONS : 9636 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) : 0.225 REMARK 3 FREE R VALUE : 0.256 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.200 REMARK 3 FREE R VALUE TEST SET COUNT : 502 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.011 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.34 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1401 REMARK 3 BIN R VALUE (WORKING SET) : 0.3400 REMARK 3 BIN FREE R VALUE : 0.3920 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 6.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 90 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.041 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1780 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 17 REMARK 3 SOLVENT ATOMS : 242 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 51.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 47.20 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) : 0.32 REMARK 3 ESD FROM SIGMAA (A) : 0.43 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.41 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.47 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.830 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.980 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 4.680 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 0.970 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 1.570 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.32 REMARK 3 BSOL : 74.65 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : ION.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : ACY.PARAM REMARK 3 PARAMETER FILE 5 : CARBOHYDRATE.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : ION.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : ACY.TOP REMARK 3 TOPOLOGY FILE 5 : CARBOHYDRATE.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1OWS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 01-APR-03. REMARK 100 THE DEPOSITION ID IS D_1000018749. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-APR-02 REMARK 200 TEMPERATURE (KELVIN) : 278 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X11 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.91 REMARK 200 MONOCHROMATOR : MIRROR REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9636 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 200 DATA REDUNDANCY : 10.40 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.11300 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 17.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.34 REMARK 200 COMPLETENESS FOR SHELL (%) : 86.9 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.22900 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.700 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: 1LFJ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10MM SODIUM CACODYLATE, 2MM ZINC REMARK 280 ACETATE, 25% ETHANOL, PH 6.0, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 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+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 34.21200 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 38.82800 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 38.82800 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 17.10600 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 38.82800 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 38.82800 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 51.31800 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 38.82800 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 38.82800 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 17.10600 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 38.82800 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 38.82800 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 51.31800 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 34.21200 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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: 1920 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11490 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -40.0 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4250 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22780 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -163.0 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 350 BIOMT1 2 0.000000 -1.000000 0.000000 155.31200 REMARK 350 BIOMT2 2 -1.000000 0.000000 0.000000 155.31200 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 34.21200 REMARK 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4770 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22250 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -149.0 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 350 BIOMT1 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 68.42400 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 59.11 -158.25 REMARK 500 CYS A 32 119.77 64.50 REMARK 500 ASP A 39 -179.09 -175.06 REMARK 500 ASN A 82 8.04 -56.59 REMARK 500 TYR B 28 -56.49 -149.05 REMARK 500 CYS B 29 90.31 -43.77 REMARK 500 SER B 31 -115.57 -149.10 REMARK 500 SER B 34 146.50 165.46 REMARK 500 ASP B 39 -168.95 -161.70 REMARK 500 THR B 59 135.12 -34.29 REMARK 500 GLU B 82 9.75 -63.28 REMARK 500 LYS B 116 -5.08 -58.98 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 ZN A1001 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 24 OD1 REMARK 620 2 ASN A 112 OD1 72.8 REMARK 620 3 HOH A2002 O 97.3 95.9 REMARK 620 4 ASP B 24 OD1 165.5 115.0 94.1 REMARK 620 5 ASP B 24 OD2 112.6 149.4 112.6 54.2 REMARK 620 6 HOH B 200 O 77.6 81.9 174.8 91.1 70.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A1002 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 71 OE1 REMARK 620 2 GLN A 71 OE1 111.3 REMARK 620 3 ASN A 120 O 106.2 96.8 REMARK 620 4 ASN A 120 O 126.1 117.4 89.9 REMARK 620 5 ASN A 120 OXT 147.4 66.6 106.3 52.0 REMARK 620 N 1 2 3 4 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1LFJ RELATED DB: PDB REMARK 900 X-RAY CRYSTAL STRUCTURE OF A COMPLEX FORMED BETWEEN TWO HOMOLOGOUS REMARK 900 ISOFORMS OF PHOSPHOLIPASE A2 FROM NAJA NAJA SAGITTIFERA: PRINCIPLE REMARK 900 OF MOLECULAR ASSOCIATION AND INACTIVATION 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 REMARK 900 RELATED ID: 1MH2 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF A ZINC CONTAINING DIMER OF PHOSPHOLIPASE A2 REMARK 900 FROM THE VENOM OF INDIAN COBRA (NAJA NAJA SAGITTIFERA) REMARK 900 RELATED ID: 1MH7 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF A CALCIUM-FREE ISOFORM OF PHOSPHOLIPASE A2 REMARK 900 FROM NAJA NAJA SAGITTIFERA AT 2.0 A RESOLUTION REMARK 900 RELATED ID: 1MH8 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF A PHOPHOLIPASE A2 MONOMER WITH ISOLEUCINE AT REMARK 900 SECOND POSITION DBREF 1OWS A 1 119 UNP P15445 PA2_NAJNA 1 118 DBREF 1OWS B 4 120 UNP P15445 PA2_NAJNA 4 119 SEQRES 1 A 118 ASN THR TYR GLN PHE ARG ASN MET ILE GLU CYS THR VAL SEQRES 2 A 118 PRO SER ARG SER TRP TRP ASP PHE ALA ASP TYR GLY CYS SEQRES 3 A 118 TYR CYS GLY CYS GLY SER GLY THR PRO THR ASP ASP LEU SEQRES 4 A 118 ASP ARG CYS CYS GLN VAL HIS CYS ASN CYS TYR ARG GLN SEQRES 5 A 118 ALA GLY GLU ILE SER GLY CYS ARG PRO LYS PHE LYS THR SEQRES 6 A 118 TYR THR TYR GLN CYS SER GLY GLY THR LEU THR CYS LYS SEQRES 7 A 118 GLY ASN ASN ASN ALA CYS ALA ALA SER SER CYS ASP CYS SEQRES 8 A 118 ASP ARG LEU ALA ALA ILE CYS PHE ALA GLY ALA PRO TYR SEQRES 9 A 118 ASN ASP ASN ASN TYR ASN ILE ASP LEU LYS ALA ARG CYS SEQRES 10 A 118 ASN SEQRES 1 B 118 ASN ILE LYS GLN PHE ASN ASN MET ILE GLU CYS THR VAL SEQRES 2 B 118 PRO ALA ARG SER TRP TRP ASP PHE ALA ASP TYR GLY CYS SEQRES 3 B 118 TYR CYS GLY SER GLY SER GLY SER PRO THR ASP ASP LEU SEQRES 4 B 118 ASP ARG CYS CYS GLN THR HIS ASP ASN CYS TYR GLY ALA SEQRES 5 B 118 GLY GLY GLY SER THR GLY CYS ALA PRO LYS SER ARG THR SEQRES 6 B 118 TYR THR TYR GLN CYS SER GLN GLY THR LEU THR CYS SER SEQRES 7 B 118 GLY GLU ASN SER ALA CYS ALA ALA THR THR CYS ASP CYS SEQRES 8 B 118 ASP ARG LEU ALA ALA ILE CYS PHE ALA GLY ALA PRO TYR SEQRES 9 B 118 ASN ASP THR ASN TYR ASN ILE ASP LEU LYS SER ARG CYS SEQRES 10 B 118 GLN HET NAG A2001 15 HET ZN A1001 1 HET ZN A1002 1 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM ZN ZINC ION HETSYN NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA- HETSYN 2 NAG D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO- HETSYN 3 NAG 2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE FORMUL 3 NAG C8 H15 N O6 FORMUL 4 ZN 2(ZN 2+) FORMUL 6 HOH *242(H2 O) HELIX 1 1 ASN A 1 VAL A 13 1 13 HELIX 2 2 SER A 18 ALA A 23 5 6 HELIX 3 3 ASP A 39 GLY 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 HELIX 7 7 ASN B 1 VAL B 13 1 13 HELIX 8 8 TRP B 19 ASP B 24 1 6 HELIX 9 9 ASP B 39 GLY B 57 1 19 HELIX 10 10 SER B 84 ALA B 104 1 21 HELIX 11 11 ASN B 107 TYR B 111 5 5 HELIX 12 12 ASP B 114 CYS B 119 1 6 SHEET 1 A 2 TYR A 70 SER A 73 0 SHEET 2 A 2 THR A 76 CYS A 79 -1 O THR A 78 N GLN A 71 SHEET 1 B 2 TYR B 70 SER B 73 0 SHEET 2 B 2 THR B 76 CYS B 79 -1 O THR B 76 N SER B 73 SSBOND 1 CYS A 11 CYS A 72 1555 1555 2.02 SSBOND 2 CYS A 27 CYS A 119 1555 1555 2.02 SSBOND 3 CYS A 29 CYS A 45 1555 1555 2.04 SSBOND 4 CYS A 32 CYS A 49 1555 1555 1.97 SSBOND 5 CYS A 44 CYS A 100 1555 1555 2.02 SSBOND 6 CYS A 51 CYS A 93 1555 1555 2.04 SSBOND 7 CYS A 61 CYS A 86 1555 1555 2.03 SSBOND 8 CYS A 79 CYS A 91 1555 1555 1.98 SSBOND 9 CYS B 11 CYS B 72 1555 1555 2.03 SSBOND 10 CYS B 27 CYS B 119 1555 1555 2.03 SSBOND 11 CYS B 29 CYS B 45 1555 1555 1.92 SSBOND 12 CYS B 44 CYS B 100 1555 1555 2.03 SSBOND 13 CYS B 51 CYS B 93 1555 1555 2.03 SSBOND 14 CYS B 61 CYS B 86 1555 1555 2.03 SSBOND 15 CYS B 79 CYS B 91 1555 1555 2.12 LINK OD1 ASP A 24 ZN ZN A1001 1555 1555 2.09 LINK OE1 GLN A 71 ZN ZN A1002 1555 1555 2.10 LINK OE1 GLN A 71 ZN ZN A1002 8775 1555 2.36 LINK OD1 ASN A 112 ZN ZN A1001 1555 1555 2.57 LINK O ASN A 120 ZN ZN A1002 4564 1555 2.68 LINK O ASN A 120 ZN ZN A1002 6565 1555 2.13 LINK OXT ASN A 120 ZN ZN A1002 6565 1555 2.76 LINK ZN ZN A1001 O HOH A2002 1555 1555 2.18 LINK ZN ZN A1001 OD1 ASP B 24 1555 1555 2.14 LINK ZN ZN A1001 OD2 ASP B 24 1555 1555 2.62 LINK ZN ZN A1001 O HOH B 200 1555 1555 2.16 CRYST1 77.656 77.656 68.424 90.00 90.00 90.00 P 41 21 2 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 0.012877 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012877 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014615 0.00000