HEADER HYDROLASE 01-SEP-98 1BT7 TITLE THE SOLUTION NMR STRUCTURE OF THE N-TERMINAL PROTEASE DOMAIN OF THE TITLE 2 HEPATITIS C VIRUS (HCV) NS3-PROTEIN, FROM BK STRAIN, 20 STRUCTURES COMPND MOL_ID: 1; COMPND 2 MOLECULE: NS3 SERINE PROTEASE; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES; COMPND 6 OTHER_DETAILS: COMPOUND ENGINEERED ADDING A SOLUBILISING TAIL AT THE COMPND 7 C-TERMINUS SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HEPATITIS C VIRUS; SOURCE 3 ORGANISM_TAXID: 11103; SOURCE 4 STRAIN: BK; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3); SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PT7.7 KEYWDS HYDROLASE, VIRAL NON-STRUCTURAL PROTEIN, SERINE PROTEASE EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR G.BARBATO,D.O.CICERO,M.C.NARDI,C.STEINKUHLER,R.CORTESE,R.DE AUTHOR 2 FRANCESCO,R.BAZZO REVDAT 4 22-MAY-24 1BT7 1 REMARK REVDAT 3 16-FEB-22 1BT7 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1BT7 1 VERSN REVDAT 1 22-JUN-99 1BT7 0 JRNL AUTH G.BARBATO,D.O.CICERO,M.C.NARDI,C.STEINKUHLER,R.CORTESE, JRNL AUTH 2 R.DE FRANCESCO,R.BAZZO JRNL TITL THE SOLUTION STRUCTURE OF THE N-TERMINAL PROTEINASE DOMAIN JRNL TITL 2 OF THE HEPATITIS C VIRUS (HCV) NS3 PROTEIN PROVIDES NEW JRNL TITL 3 INSIGHTS INTO ITS ACTIVATION AND CATALYTIC MECHANISM. JRNL REF J.MOL.BIOL. V. 289 371 1999 JRNL REFN ISSN 0022-2836 JRNL PMID 10366511 JRNL DOI 10.1006/JMBI.1999.2745 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH Y.YAN,Y.LI,S.MUNSHI,V.SARDANA,J.L.COLE,M.SARDANA, REMARK 1 AUTH 2 C.STEINKUEHLER,L.TOMEI,R.DE FRANCESCO,L.C.KUO,Z.CHEN REMARK 1 TITL COMPLEX OF NS3 PROTEASE AND NS4A PEPTIDE OF BK STRAIN REMARK 1 TITL 2 HEPATITIS C VIRUS: A 2.2 A RESOLUTION STRUCTURE IN A REMARK 1 TITL 3 HEXAGONAL CRYSTAL FORM REMARK 1 REF PROTEIN SCI. V. 7 837 1998 REMARK 1 REFN ISSN 0961-8368 REMARK 1 REFERENCE 2 REMARK 1 AUTH A.URBANI,R.BAZZO,M.C.NARDI,D.O.CICERO,R.DE FRANCESCO, REMARK 1 AUTH 2 C.STEINKUHLER,G.BARBATO REMARK 1 TITL THE METAL BINDING SITE OF THE HEPATITIS C VIRUS NS3 REMARK 1 TITL 2 PROTEASE. A SPECTROSCOPIC INVESTIGATION REMARK 1 REF J.BIOL.CHEM. V. 273 18760 1998 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 3 REMARK 1 AUTH J.L.KIM,K.A.MORGENSTERN,C.LIN,T.FOX,M.D.DWYER,J.A.LANDRO, REMARK 1 AUTH 2 S.P.CHAMBERS,W.MARKLAND,C.A.LEPRE,E.T.O'MALLEY,S.L.HARBESON, REMARK 1 AUTH 3 C.M.RICE,M.A.MURCKO,P.R.CARON,J.A.THOMSON REMARK 1 TITL ERRATUM. CRYSTAL STRUCTURE OF THE HEPATITIS C VIRUS NS3 REMARK 1 TITL 2 PROTEASE DOMAIN COMPLEXED WITH A SYNTHETIC NS4A COFACTOR REMARK 1 TITL 3 PEPTIDE REMARK 1 REF CELL(CAMBRIDGE,MASS.) V. 89 159 1997 REMARK 1 REFN ISSN 0092-8674 REMARK 1 REFERENCE 4 REMARK 1 AUTH J.L.KIM,K.A.MORGENSTERN,C.LIN,T.FOX,M.D.DWYER,J.A.LANDRO, REMARK 1 AUTH 2 S.P.CHAMBERS,W.MARKLAND,C.A.LEPRE,E.T.O'MALLEY,S.L.HARBESON, REMARK 1 AUTH 3 C.M.RICE,M.A.MURCKO,P.R.CARON,J.A.THOMSON REMARK 1 TITL CRYSTAL STRUCTURE OF THE HEPATITIS C VIRUS NS3 PROTEASE REMARK 1 TITL 2 DOMAIN COMPLEXED WITH A SYNTHETIC NS4A COFACTOR PEPTIDE REMARK 1 REF CELL(CAMBRIDGE,MASS.) V. 87 343 1996 REMARK 1 REFN ISSN 0092-8674 REMARK 1 REFERENCE 5 REMARK 1 AUTH R.A.LOVE,H.E.PARGE,J.A.WICKERSHAM,Z.HOSTOMSKY,N.HABUKA, REMARK 1 AUTH 2 E.W.MOOMAW,T.ADACHI,Z.HOSTOMSKA REMARK 1 TITL THE CRYSTAL STRUCTURE OF HEPATITIS C VIRUS NS3 PROTEINASE REMARK 1 TITL 2 REVEALS A TRYPSIN-LIKE FOLD AND A STRUCTURAL ZINC BINDING REMARK 1 TITL 3 SITE REMARK 1 REF CELL(CAMBRIDGE,MASS.) V. 87 331 1996 REMARK 1 REFN ISSN 0092-8674 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REFINEMENT DETAILS CAN BE FOUND IN THE REMARK 3 JRNL CITATION ABOVE. R.M.S. DEVIATIONS FROM EXPERIMENTAL REMARK 3 RESTRAINTS: DISTANCE (ANGSTROMS) : 0.076 +/- 0.003 DIHEDRAL REMARK 3 (DEGREES) : 1.331 +/- 0.148 IDEALIZED GEOMETRY BONDS (ANGSTROMS): REMARK 3 0.005 +/- 0.0006 ANGLES (DEGREES) : 0.761 +/- 0.032 IMPROPERS REMARK 3 (DEGREES) : 0.543 +/- 0.017 REMARK 4 REMARK 4 1BT7 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000172063. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 6.3 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : 90% H2O/5% D2O/ 5% GLYCEROL-D REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : NULL REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ; 600 MHZ; 800 MHZ REMARK 210 SPECTROMETER MODEL : AMX; DMX; UNITYPLUS REMARK 210 SPECTROMETER MANUFACTURER : BRUKER; VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NMRPIPE, NMRVIEW REMARK 210 METHOD USED : DG-SA HYBRID REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 60 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : LEAST RESTRAINT REMARK 210 VIOLATIONS/MINIMUM ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED USING N15, N15/C13, REMARK 210 N15/C13/2H, AND 15N SELECTIVELY LABELED SAMPLES, WITH TRIPLE REMARK 210 RESONANCE EXPERIMENTS REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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: 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 465 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 MODELS 1-20 REMARK 465 RES C SSSEQI REMARK 465 ALA A 1 REMARK 465 PRO A 2 REMARK 465 ILE A 3 REMARK 465 THR A 4 REMARK 465 ALA A 5 REMARK 465 TYR A 6 REMARK 465 SER A 7 REMARK 465 GLN A 8 REMARK 465 GLN A 9 REMARK 465 THR A 10 REMARK 465 ARG A 11 REMARK 465 GLY A 12 REMARK 465 LEU A 13 REMARK 465 LEU A 14 REMARK 465 GLY A 15 REMARK 465 CYS A 16 REMARK 465 ILE A 17 REMARK 465 ILE A 18 REMARK 465 THR A 19 REMARK 465 SER A 20 REMARK 465 LEU A 21 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS 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 H LEU A 143 O GLY A 152 1.53 REMARK 500 O ARG A 130 H ALA A 164 1.55 REMARK 500 H GLN A 34 O ALA A 45 1.60 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 1 GLN A 28 77.84 -153.43 REMARK 500 1 VAL A 29 -158.51 -64.14 REMARK 500 1 GLU A 30 79.64 59.92 REMARK 500 1 GLU A 32 -41.23 -171.15 REMARK 500 1 THR A 40 -58.32 178.70 REMARK 500 1 GLN A 41 -156.05 -179.72 REMARK 500 1 ASN A 49 18.97 57.80 REMARK 500 1 LYS A 62 -165.59 -77.70 REMARK 500 1 LEU A 64 171.39 -52.24 REMARK 500 1 LYS A 68 41.45 -152.27 REMARK 500 1 MET A 74 -44.90 -135.10 REMARK 500 1 VAL A 78 -133.28 11.77 REMARK 500 1 ASP A 81 -114.41 -163.59 REMARK 500 1 LEU A 82 176.53 173.47 REMARK 500 1 LEU A 94 -147.30 -77.66 REMARK 500 1 THR A 98 38.55 -170.98 REMARK 500 1 SER A 101 -155.38 -99.02 REMARK 500 1 SER A 102 19.92 -149.76 REMARK 500 1 LEU A 106 100.45 -51.33 REMARK 500 1 ARG A 109 52.99 -96.38 REMARK 500 1 HIS A 110 44.83 -177.09 REMARK 500 1 LEU A 127 54.16 -107.27 REMARK 500 1 SER A 128 126.60 169.34 REMARK 500 1 CYS A 145 -92.17 -49.90 REMARK 500 1 PRO A 146 -81.20 -92.30 REMARK 500 1 HIS A 149 98.53 54.46 REMARK 500 1 ARG A 161 90.79 -46.00 REMARK 500 1 LYS A 185 -80.93 -86.70 REMARK 500 2 ARG A 24 107.18 57.74 REMARK 500 2 GLN A 28 80.09 -160.73 REMARK 500 2 GLU A 30 81.04 -170.82 REMARK 500 2 ALA A 39 96.69 -50.18 REMARK 500 2 LYS A 62 -165.17 -105.53 REMARK 500 2 LEU A 64 177.77 -56.22 REMARK 500 2 THR A 72 -153.80 43.17 REMARK 500 2 GLN A 73 118.75 -161.66 REMARK 500 2 THR A 76 113.52 -160.44 REMARK 500 2 VAL A 78 -162.87 36.01 REMARK 500 2 ASP A 81 -102.26 -126.97 REMARK 500 2 LEU A 82 168.42 179.22 REMARK 500 2 PRO A 88 -79.12 -67.29 REMARK 500 2 PRO A 89 36.04 -97.65 REMARK 500 2 ALA A 91 -178.39 50.15 REMARK 500 2 SER A 93 95.88 -41.74 REMARK 500 2 LEU A 94 -157.05 -68.88 REMARK 500 2 CYS A 97 -72.78 -79.56 REMARK 500 2 THR A 98 74.48 49.77 REMARK 500 2 CYS A 99 -64.92 -138.14 REMARK 500 2 SER A 102 -151.83 -135.64 REMARK 500 2 ASP A 103 109.79 62.23 REMARK 500 REMARK 500 THIS ENTRY HAS 593 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 1 ARG A 24 0.25 SIDE CHAIN REMARK 500 1 ARG A 92 0.23 SIDE CHAIN REMARK 500 1 ARG A 109 0.30 SIDE CHAIN REMARK 500 1 ARG A 117 0.27 SIDE CHAIN REMARK 500 1 ARG A 118 0.23 SIDE CHAIN REMARK 500 1 ARG A 119 0.25 SIDE CHAIN REMARK 500 1 ARG A 123 0.23 SIDE CHAIN REMARK 500 1 ARG A 130 0.32 SIDE CHAIN REMARK 500 1 ARG A 155 0.32 SIDE CHAIN REMARK 500 1 ARG A 161 0.26 SIDE CHAIN REMARK 500 1 ARG A 180 0.29 SIDE CHAIN REMARK 500 2 ARG A 24 0.32 SIDE CHAIN REMARK 500 2 ARG A 92 0.29 SIDE CHAIN REMARK 500 2 ARG A 109 0.30 SIDE CHAIN REMARK 500 2 ARG A 117 0.30 SIDE CHAIN REMARK 500 2 ARG A 118 0.31 SIDE CHAIN REMARK 500 2 ARG A 119 0.25 SIDE CHAIN REMARK 500 2 ARG A 123 0.25 SIDE CHAIN REMARK 500 2 ARG A 130 0.21 SIDE CHAIN REMARK 500 2 ARG A 155 0.31 SIDE CHAIN REMARK 500 2 ARG A 161 0.30 SIDE CHAIN REMARK 500 2 ARG A 180 0.32 SIDE CHAIN REMARK 500 3 ARG A 24 0.27 SIDE CHAIN REMARK 500 3 ARG A 92 0.25 SIDE CHAIN REMARK 500 3 ARG A 109 0.24 SIDE CHAIN REMARK 500 3 ARG A 117 0.23 SIDE CHAIN REMARK 500 3 ARG A 118 0.29 SIDE CHAIN REMARK 500 3 ARG A 119 0.30 SIDE CHAIN REMARK 500 3 ARG A 123 0.31 SIDE CHAIN REMARK 500 3 ARG A 130 0.22 SIDE CHAIN REMARK 500 3 ARG A 155 0.30 SIDE CHAIN REMARK 500 3 ARG A 161 0.21 SIDE CHAIN REMARK 500 3 ARG A 180 0.32 SIDE CHAIN REMARK 500 4 ARG A 24 0.29 SIDE CHAIN REMARK 500 4 ARG A 92 0.25 SIDE CHAIN REMARK 500 4 ARG A 109 0.28 SIDE CHAIN REMARK 500 4 ARG A 117 0.31 SIDE CHAIN REMARK 500 4 ARG A 118 0.23 SIDE CHAIN REMARK 500 4 ARG A 119 0.23 SIDE CHAIN REMARK 500 4 ARG A 123 0.28 SIDE CHAIN REMARK 500 4 ARG A 130 0.32 SIDE CHAIN REMARK 500 4 ARG A 155 0.30 SIDE CHAIN REMARK 500 4 ARG A 161 0.31 SIDE CHAIN REMARK 500 4 ARG A 180 0.26 SIDE CHAIN REMARK 500 5 ARG A 24 0.29 SIDE CHAIN REMARK 500 5 ARG A 92 0.32 SIDE CHAIN REMARK 500 5 ARG A 109 0.30 SIDE CHAIN REMARK 500 5 ARG A 117 0.24 SIDE CHAIN REMARK 500 5 ARG A 118 0.23 SIDE CHAIN REMARK 500 5 ARG A 119 0.32 SIDE CHAIN REMARK 500 REMARK 500 THIS ENTRY HAS 220 PLANE DEVIATIONS. 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 301 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 97 SG REMARK 620 2 CYS A 99 SG 114.2 REMARK 620 3 CYS A 145 SG 143.4 92.7 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CTS REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CATALYTIC SITE REMARK 800 REMARK 800 SITE_IDENTIFIER: ZNB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: ZINC BINDING SITE REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 301 DBREF 1BT7 A 1 180 UNP P26663 POLG_HCVBK 1025 1204 SEQADV 1BT7 TYR A 56 UNP P26663 PHE 1080 CONFLICT SEQRES 1 A 186 ALA PRO ILE THR ALA TYR SER GLN GLN THR ARG GLY LEU SEQRES 2 A 186 LEU GLY CYS ILE ILE THR SER LEU THR GLY ARG ASP LYS SEQRES 3 A 186 ASN GLN VAL GLU GLY GLU VAL GLN VAL VAL SER THR ALA SEQRES 4 A 186 THR GLN SER PHE LEU ALA THR CYS VAL ASN GLY VAL CYS SEQRES 5 A 186 TRP THR VAL TYR HIS GLY ALA GLY SER LYS THR LEU ALA SEQRES 6 A 186 GLY PRO LYS GLY PRO ILE THR GLN MET TYR THR ASN VAL SEQRES 7 A 186 ASP GLN ASP LEU VAL GLY TRP GLN ALA PRO PRO GLY ALA SEQRES 8 A 186 ARG SER LEU THR PRO CYS THR CYS GLY SER SER ASP LEU SEQRES 9 A 186 TYR LEU VAL THR ARG HIS ALA ASP VAL ILE PRO VAL ARG SEQRES 10 A 186 ARG ARG GLY ASP SER ARG GLY SER LEU LEU SER PRO ARG SEQRES 11 A 186 PRO VAL SER TYR LEU LYS GLY SER SER GLY GLY PRO LEU SEQRES 12 A 186 LEU CYS PRO SER GLY HIS ALA VAL GLY ILE PHE ARG ALA SEQRES 13 A 186 ALA VAL CYS THR ARG GLY VAL ALA LYS ALA VAL ASP PHE SEQRES 14 A 186 VAL PRO VAL GLU SER MET GLU THR THR MET ARG ALA SER SEQRES 15 A 186 LYS LYS LYS LYS HET ZN A 301 1 HETNAM ZN ZINC ION FORMUL 2 ZN ZN 2+ HELIX 1 1 VAL A 132 LEU A 135 1 4 HELIX 2 2 SER A 174 ALA A 181 1 8 SHEET 1 A 4 VAL A 33 VAL A 35 0 SHEET 2 A 4 LEU A 44 VAL A 48 -1 N ALA A 45 O GLN A 34 SHEET 3 A 4 VAL A 51 THR A 54 -1 N TRP A 53 O THR A 46 SHEET 4 A 4 VAL A 83 GLN A 86 -1 N TRP A 85 O CYS A 52 SHEET 1 B 5 ASP A 103 VAL A 107 0 SHEET 2 B 5 VAL A 113 GLY A 120 -1 N VAL A 116 O LEU A 104 SHEET 3 B 5 ARG A 123 LEU A 126 -1 N SER A 125 O ARG A 117 SHEET 4 B 5 ALA A 166 PRO A 171 -1 N VAL A 167 O GLY A 124 SHEET 5 B 5 GLY A 152 ALA A 156 -1 N ALA A 156 O ASP A 168 LINK SG CYS A 97 ZN ZN A 301 1555 1555 2.29 LINK SG CYS A 99 ZN ZN A 301 1555 1555 2.31 LINK SG CYS A 145 ZN ZN A 301 1555 1555 2.30 SITE 1 CTS 3 HIS A 57 ASP A 81 SER A 139 SITE 1 ZNB 3 CYS A 97 CYS A 99 CYS A 145 SITE 1 AC1 4 CYS A 97 CYS A 99 CYS A 145 VAL A 151 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MODEL 1