HEADER HYDROLASE 03-APR-14 4Q1L TITLE CRYSTAL STRUCTURE OF LEUCUROLYSIN-A COMPLEXED WITH AN ENDOGENOUS TITLE 2 TRIPEPTIDE (QSW). COMPND MOL_ID: 1; COMPND 2 MOLECULE: SNAKE VENOM METALLOPROTEINASE LEUCUROLYSIN-A; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: LEUC-A, SVMP; COMPND 5 EC: 3.4.24.-; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: GLN-SER-TRP; COMPND 8 CHAIN: D SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOTHROPS LEUCURUS; SOURCE 3 ORGANISM_COMMON: WHITE-TAILED JARARACA; SOURCE 4 ORGANISM_TAXID: 157295; SOURCE 5 OTHER_DETAILS: VENOM COMPOUND; SOURCE 6 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: BOTHROPS LEUCURUS; SOURCE 8 ORGANISM_COMMON: WHITE-TAILED JARARACA; SOURCE 9 ORGANISM_TAXID: 157295; SOURCE 10 OTHER_DETAILS: VENOM COMPOUND KEYWDS ALFA/BETA PROTEIN, METALLOENDOPEPTIDASE, ZINC BINDING CALCIUM KEYWDS 2 BINDING, VENOM COMPOUND, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR R.N.FERREIRA,E.O.F.SANCHEZ,A.M.C.PIMENTA,R.A.P.NAGEM REVDAT 2 20-SEP-23 4Q1L 1 REMARK LINK REVDAT 1 08-APR-15 4Q1L 0 JRNL AUTH R.N.FERREIRA,B.RATES,M.RICHARDSON,B.G.GUIMARAES, JRNL AUTH 2 E.O.F.SANCHEZ,A.M.C.PIMENTA,R.A.P.NAGEM JRNL TITL CRYSTAL STRUCTURE OF LEUCUROLYSIN-A COMPLEXED WITH AN JRNL TITL 2 ENDOGENOUS TRIPEPTIDE (QSW). JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.N.FERREIRA,B.RATES,M.RICHARDSON,B.G.GUIMARAES,E.O.SANCHEZ, REMARK 1 AUTH 2 A.M.PIMENTA,R.A.NAGEM REMARK 1 TITL COMPLETE AMINO-ACID SEQUENCE, CRYSTALLIZATION AND REMARK 1 TITL 2 PRELIMINARY X-RAY DIFFRACTION STUDIES OF LEUCUROLYSIN-A, A REMARK 1 TITL 3 NONHAEMORRHAGIC METALLOPROTEINASE FROM BOTHROPS LEUCURUS REMARK 1 TITL 4 SNAKE VENOM. REMARK 1 REF ACTA CRYSTALLOGR.,SECT.F V. 65 798 2009 REMARK 1 REFN ESSN 1744-3091 REMARK 1 PMID 19652343 REMARK 1 DOI 10.1107/S1744309109025767 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8.2_1309) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 32.10 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 16304 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.155 REMARK 3 R VALUE (WORKING SET) : 0.154 REMARK 3 FREE R VALUE : 0.192 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.040 REMARK 3 FREE R VALUE TEST SET COUNT : 822 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 32.1035 - 3.4501 1.00 2724 131 0.1595 0.1751 REMARK 3 2 3.4501 - 2.7389 1.00 2623 122 0.1456 0.1672 REMARK 3 3 2.7389 - 2.3928 1.00 2555 142 0.1482 0.2136 REMARK 3 4 2.3928 - 2.1741 1.00 2550 147 0.1533 0.2183 REMARK 3 5 2.1741 - 2.0183 1.00 2509 143 0.1501 0.2056 REMARK 3 6 2.0183 - 1.8993 0.99 2521 137 0.1659 0.2113 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.180 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.008 1731 REMARK 3 ANGLE : 1.235 2344 REMARK 3 CHIRALITY : 0.078 258 REMARK 3 PLANARITY : 0.005 305 REMARK 3 DIHEDRAL : 13.697 646 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4Q1L COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-APR-14. REMARK 100 THE DEPOSITION ID IS D_1000085489. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JAN-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : LNLS REMARK 200 BEAMLINE : D03B-MX1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.425 REMARK 200 MONOCHROMATOR : CURVED CRYSTAL OF SILICON (111) REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16352 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL 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) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 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: PHASER CRYSTALLOGRAPHIC SOFTWARE 2.5.3 REMARK 200 STARTING MODEL: PDB ENTRY 3GBO REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.02 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 6000, 0.1 M MIB/MIB 0.1 M REMARK 280 AMMONIUM ACETATE, PH 5.0, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 291.0K 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 22.17500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 38.42100 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.20400 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 38.42100 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.17500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 29.20400 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1040 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9770 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -48.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 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 OD1 ASN A 155 O HOH A 467 1.91 REMARK 500 OXT PRO A 202 O HOH A 537 1.98 REMARK 500 OD1 ASN A 155 O HOH A 467 2.04 REMARK 500 O HOH A 524 O HOH A 558 2.05 REMARK 500 NE2 HIS A 34 O HOH A 553 2.06 REMARK 500 OD1 ASN A 23 O HOH A 571 2.11 REMARK 500 OD2 ASP A 50 O HOH A 549 2.12 REMARK 500 O HOH A 517 O HOH A 574 2.15 REMARK 500 O HOH A 502 O HOH A 543 2.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 528 O HOH A 574 4445 2.10 REMARK 500 O HOH A 406 O HOH A 424 4445 2.16 REMARK 500 O HOH A 448 O HOH A 521 4545 2.17 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 TYR A 22 42.51 -90.28 REMARK 500 ASN A 23 49.48 37.81 REMARK 500 LYS A 61 -67.97 -90.75 REMARK 500 CYS A 117 -17.40 78.28 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 301 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 9 OE1 REMARK 620 2 ASP A 93 OD1 101.8 REMARK 620 3 ASP A 93 OD2 96.6 53.5 REMARK 620 4 CYS A 197 O 170.2 85.1 93.2 REMARK 620 5 ASN A 200 OD1 89.8 153.5 149.4 81.1 REMARK 620 6 HOH A 402 O 90.3 127.5 74.6 91.0 75.4 REMARK 620 7 HOH A 418 O 81.3 77.3 129.4 93.5 81.1 155.1 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 302 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 142 NE2 REMARK 620 2 HIS A 146 NE2 101.4 REMARK 620 3 HIS A 152 NE2 105.6 104.8 REMARK 620 4 TRP D 503 OXT 106.9 139.8 94.5 REMARK 620 5 TRP D 503 O 84.6 98.0 152.4 57.9 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 CA A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 304 REMARK 999 REMARK 999 SEQUENCE REMARK 999 AUTHORS HAVE INDICATED THAT THE THE SEQUENCE 102-VAL:103-PHE IN THE REMARK 999 PDB FILE IS THE CORRECT ONE AS SUPPORTED BY THE ELECTRON DENSITY. REMARK 999 THE SEQUENCE 102-PHE:103-LEU IS INCORRECT. AUTHORS HAVE INDICATED REMARK 999 THAT IT IS MORE LIKELY THAT THE SEQUENCE, OBTAINED BY EDMAN REMARK 999 DEGRADATION, WAS NOT CORRECT AT THIS PART OF THE PROTEIN. DBREF 4Q1L A 1 202 UNP P84907 VM1LA_BOTLC 1 202 DBREF 4Q1L D 501 503 PDB 4Q1L 4Q1L 501 503 SEQADV 4Q1L VAL A 102 UNP P84907 PHE 102 SEE REMARK 999 SEQADV 4Q1L PHE A 103 UNP P84907 LEU 103 SEE REMARK 999 SEQRES 1 A 202 GLN GLN PHE SER PRO ARG TYR ILE GLU LEU VAL VAL VAL SEQRES 2 A 202 ALA ASP HIS GLY MET PHE LYS LYS TYR ASN SER ASN LEU SEQRES 3 A 202 ASN THR ILE ARG LYS TRP VAL HIS GLU MET LEU ASN THR SEQRES 4 A 202 VAL ASN GLY PHE PHE ARG SER MET ASN VAL ASP ALA SER SEQRES 5 A 202 LEU VAL ASN LEU GLU VAL TRP SER LYS LYS ASP LEU ILE SEQRES 6 A 202 LYS VAL GLU LYS ASP SER SER LYS THR LEU THR SER PHE SEQRES 7 A 202 GLY GLU TRP ARG GLU ARG ASP LEU LEU PRO ARG ILE SER SEQRES 8 A 202 HIS ASP HIS ALA GLN LEU LEU THR VAL ILE VAL PHE ASP SEQRES 9 A 202 GLU GLU THR ILE GLY ILE ALA TYR THR ALA GLY MET CYS SEQRES 10 A 202 ASP LEU SER GLN SER VAL ALA VAL VAL MET ASP HIS SER SEQRES 11 A 202 LYS LYS ASN LEU ARG VAL ALA VAL THR MET ALA HIS GLU SEQRES 12 A 202 LEU GLY HIS ASN LEU GLY MET ARG HIS ASP GLY ASN GLN SEQRES 13 A 202 CYS HIS CYS ASN ALA PRO SER CYS ILE MET ALA ASP THR SEQRES 14 A 202 LEU SER LYS GLY LEU SER PHE GLU PHE SER ASP CYS SER SEQRES 15 A 202 GLN ASN GLN TYR GLN THR TYR LEU THR LYS HIS ASN PRO SEQRES 16 A 202 GLN CYS ILE LEU ASN LYS PRO SEQRES 1 D 3 GLN SER TRP HET CA A 301 1 HET ZN A 302 1 HET ACT A 303 4 HET EDO A 304 4 HETNAM CA CALCIUM ION HETNAM ZN ZINC ION HETNAM ACT ACETATE ION HETNAM EDO 1,2-ETHANEDIOL HETSYN EDO ETHYLENE GLYCOL FORMUL 3 CA CA 2+ FORMUL 4 ZN ZN 2+ FORMUL 5 ACT C2 H3 O2 1- FORMUL 6 EDO C2 H6 O2 FORMUL 7 HOH *210(H2 O) HELIX 1 1 ASP A 15 TYR A 22 1 8 HELIX 2 2 ASN A 25 ARG A 45 1 21 HELIX 3 3 ASP A 70 ASP A 85 1 16 HELIX 4 4 ASP A 85 ILE A 90 1 6 HELIX 5 5 PHE A 103 THR A 107 5 5 HELIX 6 6 LYS A 132 LEU A 148 1 17 HELIX 7 7 SER A 179 ASN A 194 1 16 HELIX 8 8 PRO A 195 LEU A 199 5 5 SHEET 1 A 5 VAL A 49 VAL A 58 0 SHEET 2 A 5 ARG A 6 ALA A 14 1 N LEU A 10 O VAL A 54 SHEET 3 A 5 HIS A 94 THR A 99 1 O LEU A 98 N VAL A 13 SHEET 4 A 5 VAL A 123 MET A 127 1 O VAL A 126 N LEU A 97 SHEET 5 A 5 GLY A 109 ALA A 111 -1 N ILE A 110 O VAL A 125 SHEET 1 B 2 SER A 163 CYS A 164 0 SHEET 2 B 2 PHE A 176 GLU A 177 1 O GLU A 177 N SER A 163 SSBOND 1 CYS A 117 CYS A 197 1555 1555 2.03 SSBOND 2 CYS A 157 CYS A 181 1555 1555 2.00 SSBOND 3 CYS A 159 CYS A 164 1555 1555 2.03 LINK OE1 GLU A 9 CA CA A 301 1555 1555 2.31 LINK OD1 ASP A 93 CA CA A 301 1555 1555 2.41 LINK OD2 ASP A 93 CA CA A 301 1555 1555 2.46 LINK NE2 HIS A 142 ZN ZN A 302 1555 1555 2.02 LINK NE2 HIS A 146 ZN ZN A 302 1555 1555 1.98 LINK NE2 HIS A 152 ZN ZN A 302 1555 1555 1.93 LINK O CYS A 197 CA CA A 301 1555 1555 2.18 LINK OD1 ASN A 200 CA CA A 301 1555 1555 2.42 LINK CA CA A 301 O HOH A 402 1555 1555 2.45 LINK CA CA A 301 O HOH A 418 1555 1555 2.53 LINK ZN ZN A 302 OXT TRP D 503 1555 1555 1.91 LINK ZN ZN A 302 O TRP D 503 1555 1555 2.41 SITE 1 AC1 6 GLU A 9 ASP A 93 CYS A 197 ASN A 200 SITE 2 AC1 6 HOH A 402 HOH A 418 SITE 1 AC2 4 HIS A 142 HIS A 146 HIS A 152 TRP D 503 SITE 1 AC3 7 ARG A 6 SER A 72 ASN A 194 PRO A 195 SITE 2 AC3 7 GLN A 196 ILE A 198 HOH A 508 SITE 1 AC4 8 ARG A 82 HIS A 92 ASP A 93 CYS A 117 SITE 2 AC4 8 ASP A 118 ARG A 151 CYS A 197 HOH A 407 CRYST1 44.350 58.408 76.842 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 0.022548 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017121 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013014 0.00000