HEADER HYDROLASE 03-MAR-10 2X7V TITLE CRYSTAL STRUCTURE OF THERMOTOGA MARITIMA ENDONUCLEASE IV IN THE TITLE 2 PRESENCE OF ZINC COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROBABLE ENDONUCLEASE 4; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ENDODEOXYRIBONUCLEASE IV, ENDONUCLEASE IV; COMPND 5 EC: 3.1.21.2; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMOTOGA MARITIMA MSB8; SOURCE 3 ORGANISM_TAXID: 243274; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PET3A KEYWDS DNA REPAIR PROTEIN, METAL-BINDING, HYDROLASE, DNA DAMAGE, DNA REPAIR EXPDTA X-RAY DIFFRACTION AUTHOR S.J.TOMANICEK,R.C.HUGHES,J.D.NG,L.COATES REVDAT 3 20-DEC-23 2X7V 1 REMARK LINK REVDAT 2 18-APR-12 2X7V 1 JRNL REMARK VERSN REVDAT 1 08-SEP-10 2X7V 0 JRNL AUTH S.J.TOMANICEK,R.C.HUGHES,J.D.NG,L.COATES JRNL TITL STRUCTURE OF THE ENDONUCLEASE IV HOMOLOGUE FROM THERMOTOGA JRNL TITL 2 MARITIMA IN THE PRESENCE OF ACTIVE-SITE DIVALENT METAL IONS JRNL REF ACTA CRYSTALLOGR.,SECT.F V. 66 1003 2010 JRNL REFN ESSN 1744-3091 JRNL PMID 20823514 JRNL DOI 10.1107/S1744309110028575 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 35.61 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 3 NUMBER OF REFLECTIONS : 13849 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.149 REMARK 3 R VALUE (WORKING SET) : 0.146 REMARK 3 FREE R VALUE : 0.200 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 679 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 35.6181 - 3.9316 0.96 2644 123 0.1486 0.1650 REMARK 3 2 3.9316 - 3.1212 0.99 2631 148 0.1282 0.1731 REMARK 3 3 3.1212 - 2.7268 1.00 2629 136 0.1437 0.2205 REMARK 3 4 2.7268 - 2.4776 1.00 2649 138 0.1560 0.2451 REMARK 3 5 2.4776 - 2.3000 1.00 2617 134 0.1591 0.2522 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 : 0.40 REMARK 3 B_SOL : 42.48 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.250 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 18.040 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.52 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.61 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.42240 REMARK 3 B22 (A**2) : 0.42240 REMARK 3 B33 (A**2) : -0.84480 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 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 : 0.009 2337 REMARK 3 ANGLE : 1.103 3147 REMARK 3 CHIRALITY : 0.078 333 REMARK 3 PLANARITY : 0.005 408 REMARK 3 DIHEDRAL : 17.912 872 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 2X7V COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 03-MAR-10. REMARK 100 THE DEPOSITION ID IS D_1290043106. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-NOV-09 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 9.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 22-BM REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH MX-300 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13865 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 35.610 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 4.200 REMARK 200 R MERGE (I) : 0.06000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 4.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.42 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 4.10 REMARK 200 R MERGE FOR SHELL (I) : 0.18000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.100 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 1QTW REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.70 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.39 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M SODIUM CHLORIDE, 0.1 M BICINE PH REMARK 280 9.0, 20%(V/V) POLYETHYLENE GLYCOL MONOMETHYL ETHER 550, 10 MM REMARK 280 ZINC SULFATE REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 11.76667 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 23.53333 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 17.65000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 29.41667 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 5.88333 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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. (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 ASP A 287 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 VAL A 286 O 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 ASN A 27 17.16 -143.04 REMARK 500 SER A 38 -146.01 -138.82 REMARK 500 GLN A 169 72.61 -102.40 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 A1287 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 69 NE2 REMARK 620 2 HIS A 109 NE2 111.8 REMARK 620 3 GLU A 144 OE1 107.5 98.4 REMARK 620 4 HOH A2164 O 110.3 115.3 112.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A1288 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 144 OE2 REMARK 620 2 ASP A 178 OD1 95.8 REMARK 620 3 HIS A 215 ND1 88.8 109.7 REMARK 620 4 GLU A 260 OE1 167.2 94.8 80.9 REMARK 620 5 HOH A2164 O 99.1 135.2 112.6 78.3 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A1289 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 181 NE2 REMARK 620 2 ASP A 228 OD2 82.0 REMARK 620 3 HIS A 230 NE2 102.7 116.4 REMARK 620 4 HOH A2165 O 101.6 144.7 97.3 REMARK 620 N 1 2 3 REMARK 700 REMARK 700 SHEET REMARK 700 DETERMINATION METHOD: DSSP REMARK 700 THE SHEETS PRESENTED AS "AA" IN EACH CHAIN ON SHEET RECORDS REMARK 700 BELOW IS ACTUALLY AN 8-STRANDED BARREL THIS IS REPRESENTED BY REMARK 700 A 9-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS REMARK 700 ARE IDENTICAL. 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 1287 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 1288 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 1289 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2X7W RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THERMOTOGA MARITIMA ENDONUCLEASE IV IN THE REMARK 900 PRESENCE OF CADMIUM AND ZINC DBREF 2X7V A 1 287 UNP Q9WYJ7 END4_THEMA 1 287 SEQRES 1 A 287 MET ILE LYS ILE GLY ALA HIS MET PRO ILE SER LYS GLY SEQRES 2 A 287 PHE ASP ARG VAL PRO GLN ASP THR VAL ASN ILE GLY GLY SEQRES 3 A 287 ASN SER PHE GLN ILE PHE PRO HIS ASN ALA ARG SER TRP SEQRES 4 A 287 SER ALA LYS LEU PRO SER ASP GLU ALA ALA THR LYS PHE SEQRES 5 A 287 LYS ARG GLU MET LYS LYS HIS GLY ILE ASP TRP GLU ASN SEQRES 6 A 287 ALA PHE CYS HIS SER GLY TYR LEU ILE ASN LEU ALA SER SEQRES 7 A 287 PRO LYS ASP ASP ILE TRP GLN LYS SER VAL GLU LEU LEU SEQRES 8 A 287 LYS LYS GLU VAL GLU ILE CYS ARG LYS LEU GLY ILE ARG SEQRES 9 A 287 TYR LEU ASN ILE HIS PRO GLY SER HIS LEU GLY THR GLY SEQRES 10 A 287 GLU GLU GLU GLY ILE ASP ARG ILE VAL ARG GLY LEU ASN SEQRES 11 A 287 GLU VAL LEU ASN ASN THR GLU GLY VAL VAL ILE LEU LEU SEQRES 12 A 287 GLU ASN VAL SER GLN LYS GLY GLY ASN ILE GLY TYR LYS SEQRES 13 A 287 LEU GLU GLN LEU LYS LYS ILE ARG ASP LEU VAL ASP GLN SEQRES 14 A 287 ARG ASP ARG VAL ALA ILE THR TYR ASP THR CYS HIS GLY SEQRES 15 A 287 PHE ASP SER GLY TYR ASP ILE THR LYS LYS GLU GLY VAL SEQRES 16 A 287 GLU ALA LEU LEU ASN GLU ILE GLU SER LEU PHE GLY LEU SEQRES 17 A 287 GLU ARG LEU LYS MET ILE HIS LEU ASN ASP SER LYS TYR SEQRES 18 A 287 PRO LEU GLY ALA ALA LYS ASP ARG HIS GLU ARG ILE GLY SEQRES 19 A 287 SER GLY PHE ILE GLY GLU GLU GLY PHE ALA VAL PHE PHE SEQRES 20 A 287 SER PHE LYS GLU ILE GLN GLU VAL PRO TRP ILE LEU GLU SEQRES 21 A 287 THR PRO GLY GLY ASN GLU GLU HIS ALA GLU ASP ILE LYS SEQRES 22 A 287 LYS VAL PHE GLU ILE ILE GLU LYS PHE GLY ILE GLU VAL SEQRES 23 A 287 ASP HET ZN A1287 1 HET ZN A1288 1 HET ZN A1289 1 HETNAM ZN ZINC ION FORMUL 2 ZN 3(ZN 2+) FORMUL 5 HOH *165(H2 O) HELIX 1 1 GLY A 13 ASP A 15 5 3 HELIX 2 2 ARG A 16 ILE A 24 1 9 HELIX 3 3 SER A 45 GLY A 60 1 16 HELIX 4 4 ASP A 62 GLU A 64 5 3 HELIX 5 5 LYS A 80 GLY A 102 1 23 HELIX 6 6 GLY A 117 ASN A 134 1 18 HELIX 7 7 LYS A 156 VAL A 167 1 12 HELIX 8 8 GLN A 169 ASP A 171 5 3 HELIX 9 9 THR A 179 SER A 185 1 7 HELIX 10 10 LYS A 191 PHE A 206 1 16 HELIX 11 11 GLY A 207 GLU A 209 5 3 HELIX 12 12 ILE A 238 SER A 248 1 11 HELIX 13 13 PHE A 249 GLU A 254 1 6 HELIX 14 14 GLY A 264 PHE A 282 1 19 SHEET 1 AA 9 ILE A 4 HIS A 7 0 SHEET 2 AA 9 TRP A 257 LEU A 259 1 O TRP A 257 N GLY A 5 SHEET 3 AA 9 LEU A 211 LEU A 216 1 O ILE A 214 N ILE A 258 SHEET 4 AA 9 VAL A 173 ASP A 178 1 O ILE A 175 N LYS A 212 SHEET 5 AA 9 VAL A 140 GLU A 144 1 O ILE A 141 N ALA A 174 SHEET 6 AA 9 TYR A 105 ILE A 108 1 O LEU A 106 N LEU A 142 SHEET 7 AA 9 ALA A 66 HIS A 69 1 O ALA A 66 N TYR A 105 SHEET 8 AA 9 SER A 28 ILE A 31 1 O PHE A 29 N PHE A 67 SHEET 9 AA 9 ILE A 4 HIS A 7 1 O ALA A 6 N GLN A 30 SHEET 1 AB 2 GLY A 111 SER A 112 0 SHEET 2 AB 2 ASN A 152 ILE A 153 -1 O ILE A 153 N GLY A 111 SHEET 1 AC 2 ASP A 218 SER A 219 0 SHEET 2 AC 2 HIS A 230 GLU A 231 -1 O GLU A 231 N ASP A 218 LINK NE2 HIS A 69 ZN ZN A1287 1555 1555 2.26 LINK NE2 HIS A 109 ZN ZN A1287 1555 1555 2.19 LINK OE1 GLU A 144 ZN ZN A1287 1555 1555 2.23 LINK OE2 GLU A 144 ZN ZN A1288 1555 1555 2.26 LINK OD1 ASP A 178 ZN ZN A1288 1555 1555 2.09 LINK NE2 HIS A 181 ZN ZN A1289 1555 1555 2.16 LINK ND1 HIS A 215 ZN ZN A1288 1555 1555 2.37 LINK OD2 ASP A 228 ZN ZN A1289 1555 1555 2.38 LINK NE2 HIS A 230 ZN ZN A1289 1555 1555 2.22 LINK OE1 GLU A 260 ZN ZN A1288 1555 1555 2.18 LINK ZN ZN A1287 O HOH A2164 1555 1555 2.26 LINK ZN ZN A1288 O HOH A2164 1555 1555 2.22 LINK ZN ZN A1289 O HOH A2165 1555 1555 2.41 CISPEP 1 GLU A 285 VAL A 286 0 1.93 SITE 1 AC1 5 HIS A 69 HIS A 109 GLU A 144 ZN A1288 SITE 2 AC1 5 HOH A2164 SITE 1 AC2 7 GLU A 144 ASP A 178 HIS A 181 HIS A 215 SITE 2 AC2 7 GLU A 260 ZN A1287 HOH A2164 SITE 1 AC3 4 HIS A 181 ASP A 228 HIS A 230 HOH A2165 CRYST1 123.370 123.370 35.300 90.00 90.00 120.00 P 61 6 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 0.008106 0.004680 0.000000 0.00000 SCALE2 0.000000 0.009360 0.000000 0.00000 SCALE3 0.000000 0.000000 0.028329 0.00000