HEADER TOXIN/HYDROLASE 08-MAR-11 3R0L TITLE CRYSTAL STRUCTURE OF CROTOXIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: CROTOXIN CHAIN A; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CROTOXIN ACIDIC SUBUNIT ISOFORM CA2 ALPHA CHAIN; COMPND 5 SYNONYM: CA, CROTAPOTIN, CROTOXIN CHAIN A; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: CROTOXIN CHAIN B; COMPND 8 CHAIN: B; COMPND 9 FRAGMENT: CROTOXIN ACIDIC SUBUNIT ISOFORM CA2 BETA CHAIN; COMPND 10 SYNONYM: CA, CROTAPOTIN, CROTOXIN CHAIN B; COMPND 11 MOL_ID: 3; COMPND 12 MOLECULE: CROTOXIN CHAIN C; COMPND 13 CHAIN: C; COMPND 14 FRAGMENT: CROTOXIN ACIDIC SUBUNIT ISOFORM CA2 GAMMA CHAIN; COMPND 15 SYNONYM: CA, CROTAPOTIN, CROTOXIN CHAIN C; COMPND 16 MOL_ID: 4; COMPND 17 MOLECULE: PHOSPHOLIPASE A2 CB; COMPND 18 CHAIN: D; COMPND 19 FRAGMENT: CROTOXIN BASIC SUBUNIT CB; COMPND 20 SYNONYM: CROTOXIN BASIC CHAIN, PHOSPHATIDYLCHOLINE 2-ACYLHYDROLASE; COMPND 21 EC: 3.1.1.4 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CROTALUS DURISSUS TERRIFICUS; SOURCE 3 ORGANISM_COMMON: SOUTH AMERICAN RATTLESNAKE,CASCABEL; SOURCE 4 ORGANISM_TAXID: 8732; SOURCE 5 OTHER_DETAILS: FROM SOUTH AMERICAN RATTLESNAKE VENOM; SOURCE 6 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: CROTALUS DURISSUS TERRIFICUS; SOURCE 8 ORGANISM_COMMON: SOUTH AMERICAN RATTLESNAKE,CASCABEL; SOURCE 9 ORGANISM_TAXID: 8732; SOURCE 10 OTHER_DETAILS: FROM SOUTH AMERICAN RATTLESNAKE VENOM; SOURCE 11 MOL_ID: 3; SOURCE 12 ORGANISM_SCIENTIFIC: CROTALUS DURISSUS TERRIFICUS; SOURCE 13 ORGANISM_COMMON: SOUTH AMERICAN RATTLESNAKE,CASCABEL; SOURCE 14 ORGANISM_TAXID: 8732; SOURCE 15 OTHER_DETAILS: FROM SOUTH AMERICAN RATTLESNAKE VENOM; SOURCE 16 MOL_ID: 4; SOURCE 17 ORGANISM_SCIENTIFIC: CROTALUS DURISSUS TERRIFICUS; SOURCE 18 ORGANISM_COMMON: SOUTH AMERICAN RATTLESNAKE,CASCABEL; SOURCE 19 ORGANISM_TAXID: 8732; SOURCE 20 OTHER_DETAILS: FROM SOUTH AMERICAN RATTLESNAKE VENOM KEYWDS CROTOXIN, PRESYNAPTIC NEUROTOXIN, SNAKE VENOM, PHOSPHOLIPASE A2, KEYWDS 2 HETERODIMER INTERFACE, HYDROLASE, LIPID DEGRADATION, METAL-BINDING, KEYWDS 3 TOXIN-HYDROLASE COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR F.A.SAUL,G.FAURE REVDAT 3 13-SEP-23 3R0L 1 REMARK LINK REVDAT 2 25-DEC-19 3R0L 1 SEQADV SEQRES REVDAT 1 12-OCT-11 3R0L 0 JRNL AUTH G.FAURE,H.XU,F.A.SAUL JRNL TITL CRYSTAL STRUCTURE OF CROTOXIN REVEALS KEY RESIDUES INVOLVED JRNL TITL 2 IN THE STABILITY AND TOXICITY OF THIS POTENT HETERODIMERIC JRNL TITL 3 BETA-NEUROTOXIN JRNL REF J.MOL.BIOL. V. 412 176 2011 JRNL REFN ISSN 0022-2836 JRNL PMID 21787789 JRNL DOI 10.1016/J.JMB.2011.07.027 REMARK 2 REMARK 2 RESOLUTION. 1.35 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0072 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) : 1.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 36.33 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.8 REMARK 3 NUMBER OF REFLECTIONS : 33344 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) : 0.166 REMARK 3 R VALUE (WORKING SET) : 0.165 REMARK 3 FREE R VALUE : 0.189 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1762 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 40 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.35 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.37 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1127 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 90.58 REMARK 3 BIN R VALUE (WORKING SET) : 0.3050 REMARK 3 BIN FREE R VALUE SET COUNT : 56 REMARK 3 BIN FREE R VALUE : 0.2790 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1482 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 8 REMARK 3 SOLVENT ATOMS : 265 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.98 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.06 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.07000 REMARK 3 B22 (A**2) : 0.39000 REMARK 3 B33 (A**2) : -0.85000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -1.11000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.060 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.061 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.043 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.088 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.972 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.963 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1597 ; 0.013 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 1109 ; 0.003 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2165 ; 1.377 ; 1.944 REMARK 3 BOND ANGLES OTHERS (DEGREES): 2677 ; 0.840 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 204 ; 5.463 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 75 ;32.532 ;23.200 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 258 ;12.573 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 12 ;16.035 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 208 ; 0.085 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1827 ; 0.007 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 353 ; 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): 987 ; 1.174 ; 2.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 409 ; 0.306 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1564 ; 1.975 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 610 ; 2.144 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 594 ; 3.333 ; 4.000 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 3R0L COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-MAR-11. REMARK 100 THE DEPOSITION ID IS D_1000064338. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 25-SEP-09 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SOLEIL REMARK 200 BEAMLINE : PROXIMA 1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.918 REMARK 200 MONOCHROMATOR : SI (111) CHANNEL-CUT REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 35132 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.350 REMARK 200 RESOLUTION RANGE LOW (A) : 36.330 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 200 DATA REDUNDANCY : 4.200 REMARK 200 R MERGE (I) : 0.06600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.35 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.42 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.2 REMARK 200 DATA REDUNDANCY IN SHELL : 2.40 REMARK 200 R MERGE FOR SHELL (I) : 0.46900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.900 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 2QOG REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 28.90 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.73 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30% PEG 4000, 0.1 M SODIUM ACETATE, REMARK 280 0.1 M MAGNESIUM CHLORIDE, PH 4.6, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 290K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 32.65450 REMARK 290 SMTRY3 2 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 300 REMARK: THE BIOLOGICAL UNIT IS A HETERODIMER FORMED BY THE NON- REMARK 300 COVALENT ASSOCIATION OF THE CROTOXIN ACID SUBUNIT (CHAINS A, B, C) REMARK 300 WITH THE BASIC SUBUNIT (CHAIN D). 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4520 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9430 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -87.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 22 REMARK 465 SER A 23 REMARK 465 TYR A 24 REMARK 465 ASP A 58 REMARK 465 PRO A 59 REMARK 465 THR A 60 REMARK 465 PCA B 68 REMARK 465 GLU B 69 REMARK 465 ASP B 70 REMARK 465 PCA C 109 REMARK 465 PHE C 110 REMARK 465 SER C 111 REMARK 465 PRO C 112 REMARK 465 GLU C 113 REMARK 465 GLY C 117 REMARK 465 GLU C 118 REMARK 465 SER C 119 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ASP B 78 CG OD1 OD2 REMARK 470 GLN C 120 CG CD OE1 NE2 REMARK 470 ARG D 65 CG CD NE CZ NH1 NH2 REMARK 470 ARG D 116 CB CG CD NE CZ NH1 NH2 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 B 109 O HOH B 253 2.05 REMARK 500 OE1 GLU D 87 NH2 ARG D 90 2.14 REMARK 500 O ARG D 116 O HOH D 251 2.15 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 30 22.52 -147.21 REMARK 500 LYS D 69 -153.25 -94.69 REMARK 500 PHE D 109 60.62 -118.65 REMARK 500 ARG D 116 -95.46 -69.85 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 NA D 124 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 PHE D 23 O REMARK 620 2 GLY D 25 O 94.9 REMARK 620 3 TYR D 110 O 90.5 100.0 REMARK 620 4 ASP D 112 OD1 173.7 84.0 95.8 REMARK 620 5 HOH D 131 O 82.2 79.1 172.5 91.5 REMARK 620 6 HOH D 157 O 96.7 160.4 95.6 82.8 87.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA D 125 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR D 27 O REMARK 620 2 GLY D 29 O 98.6 REMARK 620 3 GLY D 31 O 106.3 104.6 REMARK 620 4 ASP D 48 OD2 99.2 156.7 84.7 REMARK 620 5 ASP D 48 OD1 113.6 114.6 117.1 43.6 REMARK 620 6 HOH D 247 O 162.5 76.8 91.2 81.7 55.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN D 123 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP D 62 OD1 REMARK 620 2 GLU D 82 OE2 107.9 REMARK 620 3 HOH D 187 O 89.6 90.2 REMARK 620 4 HOH D 203 O 87.2 85.7 173.8 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL B 126 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN D 123 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA D 124 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA D 125 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT D 127 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2QOG RELATED DB: PDB REMARK 900 PHOSPHOLIPASE A2 REMARK 999 REMARK 999 SEQUENCE REMARK 999 IN CHAINS B AND C, THE N-TERMINI ARE MODIFIED WITH A PCA IN PLACE REMARK 999 OF GLN. CHAIN A ISOFORM CA2 CONTAINS 39 AMINO ACID RESIDUES (FAURE REMARK 999 ET AL. (1991) BIOCHEMISTRY 30:8074-8083). CHAIN D REPRESENTS A NEW REMARK 999 ISOFORM DIFFERENT FROM CB1 (P62022) AND CB2 (P24027). THIS HAS BEEN REMARK 999 IDENTIFIED THROUGH EXAMINATION OF ELECTRON DENSITY MAPS IN THIS REMARK 999 STRUCTURE. DBREF 3R0L A 22 60 UNP P08878 PA2A_CRODU 38 76 DBREF 3R0L B 68 102 UNP P08878 PA2A_CRODU 84 118 DBREF 3R0L C 109 122 UNP P08878 PA2A_CRODU 125 138 DBREF 3R0L D 1 122 UNP P62022 PA2B_CRODU 17 138 SEQADV 3R0L VAL D 18 UNP P62022 ILE 34 SEE REMARK 999 SEQADV 3R0L GLN D 33 UNP P62022 ARG 49 SEE REMARK 999 SEQADV 3R0L ARG D 65 UNP P62022 PRO 81 SEE REMARK 999 SEQADV 3R0L ASN D 105 UNP P62022 TYR 121 SEE REMARK 999 SEQRES 1 A 39 SER SER TYR GLY CYS TYR CYS GLY ALA GLY GLY GLN GLY SEQRES 2 A 39 TRP PRO GLN ASP ALA SER ASP ARG CYS CYS PHE GLU HIS SEQRES 3 A 39 ASP CYS CYS TYR ALA LYS LEU THR GLY CYS ASP PRO THR SEQRES 1 B 35 PCA GLU ASP GLY GLU ILE VAL CYS GLY GLU ASP ASP PRO SEQRES 2 B 35 CYS GLY THR GLN ILE CYS GLU CYS ASP LYS ALA ALA ALA SEQRES 3 B 35 ILE CYS PHE ARG ASN SER MET ASP THR SEQRES 1 C 14 PCA PHE SER PRO GLU ASN CYS GLN GLY GLU SER GLN PRO SEQRES 2 C 14 CYS SEQRES 1 D 122 HIS LEU LEU GLN PHE ASN LYS MET ILE LYS PHE GLU THR SEQRES 2 D 122 ARG LYS ASN ALA VAL PRO PHE TYR ALA PHE TYR GLY CYS SEQRES 3 D 122 TYR CYS GLY TRP GLY GLY GLN GLY ARG PRO LYS ASP ALA SEQRES 4 D 122 THR ASP ARG CYS CYS PHE VAL HIS ASP CYS CYS TYR GLY SEQRES 5 D 122 LYS LEU ALA LYS CYS ASN THR LYS TRP ASP ILE TYR ARG SEQRES 6 D 122 TYR SER LEU LYS SER GLY TYR ILE THR CYS GLY LYS GLY SEQRES 7 D 122 THR TRP CYS GLU GLU GLN ILE CYS GLU CYS ASP ARG VAL SEQRES 8 D 122 ALA ALA GLU CYS LEU ARG ARG SER LEU SER THR TYR LYS SEQRES 9 D 122 ASN GLY TYR MET PHE TYR PRO ASP SER ARG CYS ARG GLY SEQRES 10 D 122 PRO SER GLU THR CYS HET CL B 126 1 HET MN D 123 1 HET NA D 124 1 HET NA D 125 1 HET ACT D 127 4 HETNAM CL CHLORIDE ION HETNAM MN MANGANESE (II) ION HETNAM NA SODIUM ION HETNAM ACT ACETATE ION FORMUL 5 CL CL 1- FORMUL 6 MN MN 2+ FORMUL 7 NA 2(NA 1+) FORMUL 9 ACT C2 H3 O2 1- FORMUL 10 HOH *265(H2 O) HELIX 1 1 PRO A 36 LYS A 53 1 18 HELIX 2 2 ASP B 79 ASP B 101 1 23 HELIX 3 3 HIS D 1 ARG D 14 1 14 HELIX 4 4 ASN D 16 TYR D 21 1 6 HELIX 5 5 ASP D 38 LYS D 53 1 16 HELIX 6 6 THR D 79 SER D 99 1 21 HELIX 7 7 LEU D 100 TYR D 103 5 4 HELIX 8 8 LYS D 104 MET D 108 5 5 HELIX 9 9 PRO D 111 CYS D 115 5 5 SHEET 1 A 2 TYR D 66 LEU D 68 0 SHEET 2 A 2 ILE D 73 CYS D 75 -1 O THR D 74 N SER D 67 SSBOND 1 CYS A 26 CYS C 115 1555 1555 2.05 SSBOND 2 CYS A 28 CYS A 44 1555 1555 2.11 SSBOND 3 CYS A 43 CYS B 95 1555 1555 2.07 SSBOND 4 CYS A 49 CYS C 122 1555 1555 2.02 SSBOND 5 CYS A 50 CYS B 88 1555 1555 2.07 SSBOND 6 CYS A 57 CYS B 81 1555 1555 2.03 SSBOND 7 CYS B 75 CYS B 86 1555 1555 2.02 SSBOND 8 CYS D 26 CYS D 115 1555 1555 2.02 SSBOND 9 CYS D 28 CYS D 44 1555 1555 2.06 SSBOND 10 CYS D 43 CYS D 95 1555 1555 2.07 SSBOND 11 CYS D 49 CYS D 122 1555 1555 2.01 SSBOND 12 CYS D 50 CYS D 88 1555 1555 2.05 SSBOND 13 CYS D 57 CYS D 81 1555 1555 2.04 SSBOND 14 CYS D 75 CYS D 86 1555 1555 2.04 LINK O PHE D 23 NA NA D 124 1555 1555 2.62 LINK O GLY D 25 NA NA D 124 1555 1555 2.31 LINK O TYR D 27 NA NA D 125 1555 1555 2.21 LINK O GLY D 29 NA NA D 125 1555 1555 2.46 LINK O GLY D 31 NA NA D 125 1555 1555 2.29 LINK OD2 ASP D 48 NA NA D 125 1555 1555 2.66 LINK OD1 ASP D 48 NA NA D 125 1555 1555 3.10 LINK OD1 ASP D 62 MN MN D 123 1555 1555 2.12 LINK OE2 GLU D 82 MN MN D 123 1555 1555 2.01 LINK O TYR D 110 NA NA D 124 1555 1555 2.26 LINK OD1 ASP D 112 NA NA D 124 1555 1555 2.49 LINK MN MN D 123 O HOH D 187 1555 1555 2.26 LINK MN MN D 123 O HOH D 203 1555 1555 2.25 LINK NA NA D 124 O HOH D 131 1555 1555 2.45 LINK NA NA D 124 O HOH D 157 1555 1555 2.38 LINK NA NA D 125 O HOH D 247 1555 1555 2.54 CISPEP 1 VAL D 18 PRO D 19 0 11.75 SITE 1 AC1 5 HOH B 54 ILE B 73 VAL B 74 ASP D 112 SITE 2 AC1 5 HOH D 181 SITE 1 AC2 4 ASP D 62 GLU D 82 HOH D 187 HOH D 203 SITE 1 AC3 6 PHE D 23 GLY D 25 TYR D 110 ASP D 112 SITE 2 AC3 6 HOH D 131 HOH D 157 SITE 1 AC4 5 TYR D 27 GLY D 29 GLY D 31 ASP D 48 SITE 2 AC4 5 HOH D 247 SITE 1 AC5 6 PHE D 5 CYS D 28 GLY D 29 CYS D 44 SITE 2 AC5 6 HIS D 47 HOH D 277 CRYST1 34.664 65.309 37.429 90.00 103.90 90.00 P 1 21 1 2 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 0.028848 0.000000 0.007139 0.00000 SCALE2 0.000000 0.015312 0.000000 0.00000 SCALE3 0.000000 0.000000 0.027523 0.00000