HEADER HYDROLASE 09-NOV-04 1XXW TITLE STRUCTURE OF ZINC INDUCED HETERODIMER OF TWO CALCIUM FREE ISOFORMS OF TITLE 2 PHOSPHOLIPASE A2 FROM NAJA NAJA SAGITTIFERA AT 2.7A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOLIPASE A2 ISOFORM 1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PHOSPHATIDYLCHOLINE 2-ACYLHYDROLASE; COMPND 5 EC: 3.1.1.4; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: PHOSPHOLIPASE A2 ISOFORM 2; COMPND 8 CHAIN: B; COMPND 9 SYNONYM: PHOSPHATIDYLCHOLINE 2-ACYLHYDROLASE; COMPND 10 EC: 3.1.1.4 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NAJA SAGITTIFERA; SOURCE 3 ORGANISM_TAXID: 195058; SOURCE 4 SECRETION: VENOM; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: NAJA SAGITTIFERA; SOURCE 7 ORGANISM_TAXID: 195058; SOURCE 8 SECRETION: VENOM KEYWDS VENOM, ESTEROLYTIC ACTIVITY, ZINC INDUCED, DIMER, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR T.JABEEN,S.SHARMA,N.SINGH,R.K.SINGH,A.K.VERMA,M.PARAMASIVAM, AUTHOR 2 A.SRINIVASAN,T.P.SINGH REVDAT 4 30-OCT-24 1XXW 1 REMARK REVDAT 3 23-AUG-23 1XXW 1 REMARK LINK REVDAT 2 24-FEB-09 1XXW 1 VERSN REVDAT 1 15-MAR-05 1XXW 0 JRNL AUTH T.JABEEN,S.SHARMA,N.SINGH,R.K.SINGH,A.K.VERMA,M.PARAMASIVAM, JRNL AUTH 2 A.SRINIVASAN,T.P.SINGH JRNL TITL STRUCTURE OF THE ZINC-INDUCED HETERODIMER OF TWO JRNL TITL 2 CALCIUM-FREE ISOFORMS OF PHOSPHOLIPASE A2 FROM NAJA NAJA JRNL TITL 3 SAGITTIFERA AT 2.7 ANGSTROMS RESOLUTION. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 61 302 2005 JRNL REFN ISSN 0907-4449 JRNL PMID 15735340 JRNL DOI 10.1107/S0907444904033165 REMARK 2 REMARK 2 RESOLUTION. 2.70 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) : 2.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.51 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1145134.070 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.0 REMARK 3 NUMBER OF REFLECTIONS : 6819 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) : 0.188 REMARK 3 FREE R VALUE : 0.232 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.500 REMARK 3 FREE R VALUE TEST SET COUNT : 374 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.013 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) : 2.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.87 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1083 REMARK 3 BIN R VALUE (WORKING SET) : 0.2540 REMARK 3 BIN FREE R VALUE : 0.2970 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 59 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.039 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1837 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 9 REMARK 3 SOLVENT ATOMS : 194 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 26.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 37.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.95000 REMARK 3 B22 (A**2) : -1.95000 REMARK 3 B33 (A**2) : 3.90000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.28 REMARK 3 ESD FROM SIGMAA (A) : 0.35 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) : 0.38 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.40 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) : 22.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.780 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) : 1.460 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.440 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.290 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.470 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.26 REMARK 3 BSOL : 35.69 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 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : ACY.PAR REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : ACY.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1XXW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-NOV-04. REMARK 100 THE DEPOSITION ID IS D_1000030893. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-MAY-02 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 6.5 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE 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 : 6819 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 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 (%) : 98.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.11000 REMARK 200 FOR THE DATA SET : 9.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.75 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL 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 1PSH REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10 MM SODIUM CACODYLATE, 2MM ZINC REMARK 280 ACETATE, 30% ETHANOL, PH 6.5, VAPOR DIFFUSION, 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 29.21350 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 14.60675 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 43.82025 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: 2120 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11520 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -37.0 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 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 TYR B 111 CB - CG - CD2 ANGL. DEV. = -3.8 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 VAL A 13 54.13 -141.74 REMARK 500 ASP A 24 59.42 -151.21 REMARK 500 ARG A 31 -171.45 -67.18 REMARK 500 ALA A 74 -132.48 49.78 REMARK 500 SER A 82 41.89 -67.98 REMARK 500 CYS A 119 -65.35 -102.86 REMARK 500 ARG B 31 -88.94 -156.86 REMARK 500 SER B 34 146.20 178.99 REMARK 500 PRO B 37 -24.01 -39.11 REMARK 500 VAL B 38 -23.44 66.29 REMARK 500 ARG B 82 3.59 -61.33 REMARK 500 ALA B 117 54.42 -118.79 REMARK 500 ARG B 118 -29.19 -169.15 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 A 201 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 24 OD2 REMARK 620 2 ASN A 112 OD1 88.4 REMARK 620 3 HOH A 303 O 69.7 72.3 REMARK 620 4 HOH A 350 O 100.3 112.6 169.2 REMARK 620 5 ASP B 24 OD1 134.4 128.7 94.8 89.4 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY A 302 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1S6B 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: 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 DBREF 1XXW A 1 119 UNP P60043 PA21B_NAJSG 8 126 DBREF 1XXW B 1 119 UNP P60044 PA22_NAJSG 8 126 SEQRES 1 A 119 ASN THR TYR GLN PHE LYS ASN MET ILE GLN CYS THR VAL SEQRES 2 A 119 PRO LYS ARG SER TRP TRP ASP PHE ALA ASP TYR GLY CYS SEQRES 3 A 119 TYR CYS GLY ARG GLY GLY SER GLY THR PRO ILE ASP ASP SEQRES 4 A 119 LEU ASP ARG CYS CYS GLN VAL HIS ASP ASN CYS TYR ASN SEQRES 5 A 119 SER ALA ARG GLU GLN GLY GLY CYS ARG PRO LYS GLN LYS SEQRES 6 A 119 THR TYR SER TYR GLU CYS LYS ALA GLY THR LEU SER CYS SEQRES 7 A 119 SER GLY SER ASN ASN SER CYS ALA ALA THR 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 ASN ASN TYR ASN ILE ASP LEU LYS ALA ARG SEQRES 10 A 119 CYS GLN SEQRES 1 B 119 ASN ARG TRP GLN PHE LYS ASN MET ILE SER CYS THR VAL SEQRES 2 B 119 PRO SER ARG SER TRP TRP ASP PHE ALA ASP TYR GLY CYS SEQRES 3 B 119 TYR CYS GLY ARG GLY GLY SER GLY THR PRO VAL ASP ASP SEQRES 4 B 119 LEU ASP ARG CYS CYS GLN VAL HIS ASP ASN CYS TYR ASN SEQRES 5 B 119 GLU ALA GLU LYS ILE SER GLY CYS ASN PRO ARG PHE ARG SEQRES 6 B 119 THR TYR SER TYR GLU CYS THR ALA GLY THR LEU THR CYS SEQRES 7 B 119 THR GLY ARG ASN ASN ALA CYS ALA ALA SER VAL CYS ASP SEQRES 8 B 119 CYS ASP ARG LEU ALA ALA ILE CYS PHE ALA GLY ALA PRO SEQRES 9 B 119 TYR ASN ASP ASN ASN TYR ASN ILE ASP LEU GLN ALA ARG SEQRES 10 B 119 CYS ASN HET ZN A 201 1 HET ACY A 301 4 HET ACY A 302 4 HETNAM ZN ZINC ION HETNAM ACY ACETIC ACID FORMUL 3 ZN ZN 2+ FORMUL 4 ACY 2(C2 H4 O2) FORMUL 6 HOH *194(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 ARG 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 GLU B 56 1 18 HELIX 10 10 ASN B 84 ALA B 104 1 21 HELIX 11 11 ASN B 107 TYR B 111 5 5 HELIX 12 12 ASP B 114 ARG B 118 5 5 SHEET 1 A 2 TYR A 70 LYS A 73 0 SHEET 2 A 2 THR A 76 CYS A 79 -1 O THR A 76 N LYS A 73 SHEET 1 B 2 TYR B 70 THR B 73 0 SHEET 2 B 2 THR B 76 CYS B 79 -1 O THR B 76 N THR B 73 SSBOND 1 CYS A 11 CYS A 72 1555 1555 2.02 SSBOND 2 CYS A 27 CYS A 119 1555 1555 2.03 SSBOND 3 CYS A 29 CYS A 45 1555 1555 2.03 SSBOND 4 CYS A 44 CYS A 100 1555 1555 2.03 SSBOND 5 CYS A 51 CYS A 93 1555 1555 2.03 SSBOND 6 CYS A 61 CYS A 86 1555 1555 2.04 SSBOND 7 CYS A 79 CYS A 91 1555 1555 2.02 SSBOND 8 CYS B 11 CYS B 72 1555 1555 2.02 SSBOND 9 CYS B 27 CYS B 119 1555 1555 2.00 SSBOND 10 CYS B 29 CYS B 45 1555 1555 2.03 SSBOND 11 CYS B 44 CYS B 100 1555 1555 2.03 SSBOND 12 CYS B 51 CYS B 93 1555 1555 2.04 SSBOND 13 CYS B 61 CYS B 86 1555 1555 2.04 SSBOND 14 CYS B 79 CYS B 91 1555 1555 2.05 LINK OD2 ASP A 24 ZN ZN A 201 1555 1555 2.24 LINK OD1 ASN A 112 ZN ZN A 201 1555 1555 2.41 LINK ZN ZN A 201 O HOH A 303 1555 1555 2.18 LINK ZN ZN A 201 O HOH A 350 1555 1555 2.15 LINK ZN ZN A 201 OD1 ASP B 24 1555 1555 2.15 SITE 1 AC1 5 ASP A 24 ASN A 112 HOH A 303 HOH A 350 SITE 2 AC1 5 ASP B 24 SITE 1 AC2 1 HOH A 391 SITE 1 AC3 4 HIS A 48 ASP A 49 LYS A 64 ARG B 31 CRYST1 65.467 65.467 58.427 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 0.015275 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015275 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017115 0.00000