HEADER TRANSCRIPTION 26-JUL-09 3IFU TITLE THE CRYSTAL STRUCTURE OF PORCINE REPRODUCTIVE AND RESPIRATORY SYNDROME TITLE 2 VIRUS (PRRSV) LEADER PROTEASE NSP1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: NON-STRUCTURAL PROTEIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: LEADER PROTEASE NSP1, RESIDUES 1-180; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PORCINE REPRODUCTIVE AND RESPIRATORY SYNDROME SOURCE 3 VIRUS; SOURCE 4 ORGANISM_COMMON: PRRSV; SOURCE 5 ORGANISM_TAXID: 28344; SOURCE 6 GENE: ORF1A; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PET-28A KEYWDS PRRSV, NSP1, ZINC FINGER, PAPAIN-LIKE CYSTEINE PROTEASE, KEYWDS 2 TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR Y.SUN,F.XUE,Y.GUO,M.MA,Z.LOU,Z.RAO REVDAT 3 20-MAR-24 3IFU 1 REMARK REVDAT 2 04-OCT-17 3IFU 1 REMARK REVDAT 1 27-OCT-09 3IFU 0 JRNL AUTH Y.SUN,F.XUE,Y.GUO,M.MA,N.HAO,X.C.ZHANG,Z.LOU,X.LI,Z.RAO JRNL TITL CRYSTAL STRUCTURE OF PORCINE REPRODUCTIVE AND RESPIRATORY JRNL TITL 2 SYNDROME VIRUS LEADER PROTEASE NSP1ALPHA JRNL REF J.VIROL. V. 83 10931 2009 JRNL REFN ISSN 0022-538X JRNL PMID 19706710 JRNL DOI 10.1128/JVI.02579-08 REMARK 2 REMARK 2 RESOLUTION. 2.42 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 2.42 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 8269 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.223 REMARK 3 FREE R VALUE : 0.257 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 410 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1367 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 51 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 2.070 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3IFU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 30-JUL-09. REMARK 100 THE DEPOSITION ID IS D_1000054357. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-MAR-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : BSRF REMARK 200 BEAMLINE : 1W2B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.2821, 1.2827 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR555 FLAT PANEL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8279 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.420 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.06500 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.42 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.50 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.41900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SHELX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.09 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM TRIS-HCL, 25%(V/V) TERT-BUTANOL, REMARK 280 PH 8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 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+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 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 77.30000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 25.50000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 25.50000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 115.95000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 25.50000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 25.50000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 38.65000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 25.50000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 25.50000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 115.95000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 25.50000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 25.50000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 38.65000 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 77.30000 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: 2420 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16540 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -20.0 KCAL/MOL 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 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 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 MET A 1 REMARK 465 SER A 2 REMARK 465 GLY A 3 REMARK 465 ILE A 4 REMARK 465 LEU A 5 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 195 O HOH A 195 7555 2.10 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 PRO A 12 -4.99 -56.03 REMARK 500 GLU A 20 -124.64 47.29 REMARK 500 PRO A 36 2.17 -45.55 REMARK 500 LEU A 37 -24.56 71.73 REMARK 500 PHE A 50 -33.22 -136.78 REMARK 500 PRO A 53 175.89 -57.31 REMARK 500 GLU A 55 -142.61 -138.15 REMARK 500 PRO A 56 -167.38 -53.89 REMARK 500 ARG A 58 -11.06 86.60 REMARK 500 ASN A 93 -20.68 179.53 REMARK 500 ASN A 143 -156.67 -142.49 REMARK 500 GLN A 166 -176.73 -60.02 REMARK 500 PRO A 170 161.88 -49.55 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 182 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 8 SG REMARK 620 2 CYS A 10 SG 112.6 REMARK 620 3 CYS A 25 SG 101.9 112.8 REMARK 620 4 CYS A 28 SG 105.6 112.4 110.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 181 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 70 SG REMARK 620 2 CYS A 76 SG 122.1 REMARK 620 3 HIS A 146 ND1 111.4 116.9 REMARK 620 4 MET A 180 OXT 114.9 91.0 94.8 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 ZN A 181 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 182 DBREF 3IFU A 1 180 UNP B6VGX5 B6VGX5_PRRSV 1 180 SEQRES 1 A 180 MET SER GLY ILE LEU ASP ARG CYS THR CYS THR PRO ASN SEQRES 2 A 180 ALA ARG VAL PHE VAL ALA GLU GLY GLN VAL TYR CYS THR SEQRES 3 A 180 ARG CYS LEU SER ALA ARG SER LEU LEU PRO LEU ASN LEU SEQRES 4 A 180 GLN VAL PRO GLU LEU GLY VAL LEU GLY LEU PHE TYR ARG SEQRES 5 A 180 PRO GLU GLU PRO LEU ARG TRP THR LEU PRO ARG ALA PHE SEQRES 6 A 180 PRO THR VAL GLU CYS SER PRO ALA GLY ALA CYS TRP LEU SEQRES 7 A 180 SER ALA ILE PHE PRO ILE ALA ARG MET THR SER GLY ASN SEQRES 8 A 180 LEU ASN PHE GLN GLN ARG MET VAL ARG VAL ALA ALA GLU SEQRES 9 A 180 ILE TYR ARG ALA GLY GLN LEU THR PRO THR VAL LEU LYS SEQRES 10 A 180 THR LEU GLN VAL TYR GLU ARG GLY CYS ARG TRP TYR PRO SEQRES 11 A 180 ILE VAL GLY PRO VAL PRO GLY VAL GLY VAL TYR ALA ASN SEQRES 12 A 180 SER LEU HIS VAL SER ASP LYS PRO PHE PRO GLY ALA THR SEQRES 13 A 180 HIS VAL LEU THR ASN LEU PRO LEU PRO GLN ARG PRO LYS SEQRES 14 A 180 PRO GLU ASP PHE CYS PRO PHE GLU CYS ALA MET HET ZN A 181 1 HET ZN A 182 1 HETNAM ZN ZINC ION FORMUL 2 ZN 2(ZN 2+) FORMUL 4 HOH *51(H2 O) HELIX 1 1 VAL A 41 GLY A 45 5 5 HELIX 2 2 VAL A 46 PHE A 50 5 5 HELIX 3 3 ALA A 75 SER A 79 5 5 HELIX 4 4 ALA A 80 THR A 88 1 9 HELIX 5 5 GLY A 90 LEU A 92 5 3 HELIX 6 6 ASN A 93 GLY A 109 1 17 HELIX 7 7 THR A 112 LEU A 119 1 8 SHEET 1 A 2 VAL A 16 VAL A 18 0 SHEET 2 A 2 VAL A 23 CYS A 25 -1 O TYR A 24 N PHE A 17 SHEET 1 B 4 ARG A 127 PRO A 130 0 SHEET 2 B 4 HIS A 157 THR A 160 -1 O THR A 160 N ARG A 127 SHEET 3 B 4 VAL A 140 ALA A 142 -1 N VAL A 140 O LEU A 159 SHEET 4 B 4 VAL A 147 SER A 148 -1 O SER A 148 N TYR A 141 LINK SG CYS A 8 ZN ZN A 182 1555 1555 2.54 LINK SG CYS A 10 ZN ZN A 182 1555 1555 2.50 LINK SG CYS A 25 ZN ZN A 182 1555 1555 2.44 LINK SG CYS A 28 ZN ZN A 182 1555 1555 2.45 LINK SG CYS A 70 ZN ZN A 181 1555 1555 2.35 LINK SG CYS A 76 ZN ZN A 181 1555 1555 2.55 LINK ND1 HIS A 146 ZN ZN A 181 1555 1555 2.22 LINK OXT MET A 180 ZN ZN A 181 1555 1555 2.07 CISPEP 1 SER A 71 PRO A 72 0 -0.09 SITE 1 AC1 4 CYS A 70 CYS A 76 HIS A 146 MET A 180 SITE 1 AC2 4 CYS A 8 CYS A 10 CYS A 25 CYS A 28 CRYST1 51.000 51.000 154.600 90.00 90.00 90.00 P 43 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 0.019608 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019608 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006468 0.00000