HEADER HYDROLASE 21-JUL-23 8TJG TITLE STRUCTURE OF NEI2 FROM MYCOBACTERIUM SMEGMATIS IN COMPLEX WITH ZN2+ COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA-(APURINIC OR APYRIMIDINIC SITE) LYASE; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MYCOLICIBACTERIUM SMEGMATIS MC2 155; SOURCE 3 ORGANISM_TAXID: 246196; SOURCE 4 GENE: NEI; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS NEI2, NEI, DNA GLYCOSYLASE, AP LYASE, ENDONUCLEASE VIII, KEYWDS 2 MYCOBACTERIUM SMEGMATIS, ZN2+, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR G.WARREN,S.SHUMAN REVDAT 1 06-MAR-24 8TJG 0 JRNL AUTH G.WARREN,S.SHUMAN JRNL TITL STRUCTURE OF NEI2 FROM MYCOBACTERIUM SMEGMATIS IN COMPLEX JRNL TITL 2 WITH ZN2+ JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH P.V.AFONINE,R.W.GROSSE-KUNSTLEVE,N.ECHOLS,J.J.HEADD, REMARK 1 AUTH 2 N.W.MORIARTY,M.MUSTYAKIMOV,T.C.TERWILLIGER,A.URZHUMTSEV, REMARK 1 AUTH 3 P.H.ZWART,P.D.ADAMS REMARK 1 TITL TOWARDS AUTOMATED CRYSTALLOGRAPHIC STRUCTURE REFINEMENT WITH REMARK 1 TITL 2 PHENIX.REFINE. REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 68 352 2012 REMARK 1 REFN ESSN 1399-0047 REMARK 1 PMID 22505256 REMARK 1 DOI 10.1107/S0907444912001308 REMARK 1 REFERENCE 2 REMARK 1 AUTH D.LIEBSCHNER,P.V.AFONINE,M.L.BAKER,G.BUNKOCZI,V.B.CHEN, REMARK 1 AUTH 2 T.I.CROLL,B.HINTZE,L.W.HUNG,S.JAIN,A.J.MCCOY,N.W.MORIARTY, REMARK 1 AUTH 3 R.D.OEFFNER,B.K.POON,M.G.PRISANT,R.J.READ,J.S.RICHARDSON, REMARK 1 AUTH 4 D.C.RICHARDSON,M.D.SAMMITO,O.V.SOBOLEV,D.H.STOCKWELL, REMARK 1 AUTH 5 T.C.TERWILLIGER,A.G.URZHUMTSEV,L.L.VIDEAU,C.J.WILLIAMS, REMARK 1 AUTH 6 P.D.ADAMS REMARK 1 TITL MACROMOLECULAR STRUCTURE DETERMINATION USING X-RAYS, REMARK 1 TITL 2 NEUTRONS AND ELECTRONS: RECENT DEVELOPMENTS IN PHENIX. REMARK 1 REF ACTA CRYSTALLOGR D STRUCT V. 75 861 2019 REMARK 1 REF 2 BIOL REMARK 1 REFN ISSN 2059-7983 REMARK 1 PMID 31588918 REMARK 1 DOI 10.1107/S2059798319011471 REMARK 2 REMARK 2 RESOLUTION. 1.45 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.20.1_4487 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 43.30 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 3 NUMBER OF REFLECTIONS : 69151 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.163 REMARK 3 R VALUE (WORKING SET) : 0.161 REMARK 3 FREE R VALUE : 0.200 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.620 REMARK 3 FREE R VALUE TEST SET COUNT : 3196 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 43.3000 - 4.1300 1.00 2899 150 0.1596 0.1969 REMARK 3 2 4.1200 - 3.2700 1.00 2939 131 0.1495 0.1995 REMARK 3 3 3.2700 - 2.8600 1.00 2866 182 0.1642 0.2114 REMARK 3 4 2.8600 - 2.6000 1.00 2866 191 0.1773 0.1953 REMARK 3 5 2.6000 - 2.4100 1.00 2937 142 0.1575 0.2347 REMARK 3 6 2.4100 - 2.2700 1.00 2910 124 0.1552 0.1582 REMARK 3 7 2.2700 - 2.1600 1.00 2931 154 0.1478 0.1738 REMARK 3 8 2.1600 - 2.0600 1.00 2899 144 0.1530 0.1792 REMARK 3 9 2.0600 - 1.9800 1.00 2924 124 0.1522 0.1705 REMARK 3 10 1.9800 - 1.9100 1.00 2904 165 0.1550 0.1787 REMARK 3 11 1.9100 - 1.8500 1.00 2920 120 0.1524 0.2023 REMARK 3 12 1.8500 - 1.8000 1.00 2929 146 0.1599 0.2160 REMARK 3 13 1.8000 - 1.7500 1.00 2899 150 0.1616 0.2093 REMARK 3 14 1.7500 - 1.7100 1.00 2902 146 0.1658 0.2321 REMARK 3 15 1.7100 - 1.6700 1.00 2944 151 0.1552 0.1688 REMARK 3 16 1.6700 - 1.6400 1.00 2891 117 0.1530 0.1959 REMARK 3 17 1.6400 - 1.6000 1.00 2930 153 0.1610 0.2274 REMARK 3 18 1.6000 - 1.5700 1.00 2937 132 0.1693 0.1936 REMARK 3 19 1.5700 - 1.5500 0.99 2888 113 0.1874 0.1929 REMARK 3 20 1.5500 - 1.5200 0.96 2884 107 0.1974 0.2588 REMARK 3 21 1.5200 - 1.4900 0.94 2753 112 0.2174 0.2925 REMARK 3 22 1.4900 - 1.4700 0.89 2566 133 0.2248 0.2882 REMARK 3 23 1.4700 - 1.4500 0.83 2437 109 0.2367 0.2873 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 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) : 0.131 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 20.635 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.43 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 1974 REMARK 3 ANGLE : 1.042 2684 REMARK 3 CHIRALITY : 0.086 303 REMARK 3 PLANARITY : 0.012 351 REMARK 3 DIHEDRAL : 6.017 282 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 8TJG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-JUL-23. REMARK 100 THE DEPOSITION ID IS D_1000276086. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-MAR-23 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 24-ID-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9791 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 69151 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.450 REMARK 200 RESOLUTION RANGE LOW (A) : 66.290 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 200 DATA REDUNDANCY : 11.50 REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 19.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.45 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.48 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.68000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.200 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 30.63 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.77 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M AMMONIUM ACETATE, 0.1M BIS-TRIS, REMARK 280 PH 5.5, 15% PEG-3350, CRYOPROTECTED IN 100% PARAFFIN OIL, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 295K 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 27.03250 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 33.14350 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.58850 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 33.14350 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.03250 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.58850 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: 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. (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 252 REMARK 465 LEU A 253 REMARK 465 GLU A 254 REMARK 465 HIS A 255 REMARK 465 HIS A 256 REMARK 465 HIS A 257 REMARK 465 HIS A 258 REMARK 465 HIS A 259 REMARK 465 HIS A 260 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 O HOH A 635 O HOH A 640 2.10 REMARK 500 NE2 GLN A 146 O HOH A 401 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 569 O HOH A 571 1565 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 ARG A 29 44.02 -86.37 REMARK 500 VAL A 217 -34.44 -134.09 REMARK 500 ARG A 227 -71.64 -95.71 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 225 SG REMARK 620 2 CYS A 228 SG 108.8 REMARK 620 3 CYS A 245 SG 110.6 96.7 REMARK 620 4 CYS A 248 SG 109.1 114.9 116.1 REMARK 620 N 1 2 3 DBREF 8TJG A 1 252 UNP I7G4T3 I7G4T3_MYCS2 1 252 SEQADV 8TJG LEU A 253 UNP I7G4T3 EXPRESSION TAG SEQADV 8TJG GLU A 254 UNP I7G4T3 EXPRESSION TAG SEQADV 8TJG HIS A 255 UNP I7G4T3 EXPRESSION TAG SEQADV 8TJG HIS A 256 UNP I7G4T3 EXPRESSION TAG SEQADV 8TJG HIS A 257 UNP I7G4T3 EXPRESSION TAG SEQADV 8TJG HIS A 258 UNP I7G4T3 EXPRESSION TAG SEQADV 8TJG HIS A 259 UNP I7G4T3 EXPRESSION TAG SEQADV 8TJG HIS A 260 UNP I7G4T3 EXPRESSION TAG SEQRES 1 A 260 MET PRO GLU GLY ASP THR VAL PHE HIS THR ALA ALA ALA SEQRES 2 A 260 LEU ARG ALA ALA LEU GLU GLY LYS THR LEU THR ARG CYS SEQRES 3 A 260 ASP VAL ARG VAL PRO ARG TYR ALA THR VAL ASP LEU SER SEQRES 4 A 260 GLY ALA VAL VAL ASP GLU VAL LEU SER ARG GLY LYS HIS SEQRES 5 A 260 LEU PHE ILE ARG ALA GLY SER ALA SER ILE HIS SER HIS SEQRES 6 A 260 LEU LYS MET GLU GLY ALA TRP ARG ILE GLY HIS THR LYS SEQRES 7 A 260 VAL ALA PRO HIS ARG ILE ARG ILE VAL LEU GLU THR ALA SEQRES 8 A 260 ASP THR ARG ALA ILE GLY ILE ASP LEU GLY ILE LEU GLU SEQRES 9 A 260 VAL LEU ASP ARG GLY THR ASP MET ASP ALA VAL ALA TYR SEQRES 10 A 260 LEU GLY PRO ASP LEU LEU GLY PRO ASP TRP GLU PRO ARG SEQRES 11 A 260 VAL ALA ALA ASP ASN LEU ALA ALA ASP PRO ASP ARG PRO SEQRES 12 A 260 LEU ALA GLN ALA LEU LEU ASP GLN ARG VAL MET ALA GLY SEQRES 13 A 260 VAL GLY ASN VAL TYR CYS ASN GLU LEU CYS PHE VAL PHE SEQRES 14 A 260 GLY ARG LEU PRO THR ALA PRO VAL GLY THR LEU LYS ASP SEQRES 15 A 260 PRO LEU ARG VAL VAL GLN ARG ALA ARG ASP MET LEU TRP SEQRES 16 A 260 LEU ASN ARG SER ARG TRP ASN ARG THR THR THR GLY ASP SEQRES 17 A 260 THR ARG ASN GLY ARG GLN LEU TRP VAL TYR GLY ARG ALA SEQRES 18 A 260 GLY GLU PRO CYS ARG ARG CYS GLY THR LEU ILE GLN THR SEQRES 19 A 260 ASP ARG GLY GLY GLU ARG VAL THR TYR TRP CYS PRO VAL SEQRES 20 A 260 CYS GLN THR ALA SER LEU GLU HIS HIS HIS HIS HIS HIS HET ZN A 301 1 HETNAM ZN ZINC ION FORMUL 2 ZN ZN 2+ FORMUL 3 HOH *245(H2 O) HELIX 1 AA1 GLU A 3 GLU A 19 1 17 HELIX 2 AA2 VAL A 30 ALA A 34 5 5 HELIX 3 AA3 THR A 110 ALA A 116 5 7 HELIX 4 AA4 GLU A 128 ALA A 138 1 11 HELIX 5 AA5 PRO A 143 ASP A 150 1 8 HELIX 6 AA6 GLY A 158 PHE A 169 1 12 HELIX 7 AA7 PRO A 176 LEU A 180 5 5 HELIX 8 AA8 ASP A 182 ASN A 197 1 16 SHEET 1 AA1 4 ARG A 25 VAL A 28 0 SHEET 2 AA1 4 ILE A 84 GLU A 89 -1 O VAL A 87 N ASP A 27 SHEET 3 AA1 4 ARG A 94 ILE A 98 -1 O GLY A 97 N ARG A 85 SHEET 4 AA1 4 TRP A 72 ILE A 74 -1 N ARG A 73 O ILE A 96 SHEET 1 AA2 4 VAL A 43 ARG A 49 0 SHEET 2 AA2 4 HIS A 52 ALA A 57 -1 O ARG A 56 N GLU A 45 SHEET 3 AA2 4 ALA A 60 LEU A 66 -1 O ILE A 62 N ILE A 55 SHEET 4 AA2 4 LEU A 100 ASP A 107 -1 O LEU A 106 N SER A 61 SHEET 1 AA3 2 GLN A 233 ASP A 235 0 SHEET 2 AA3 2 THR A 242 TRP A 244 -1 O TRP A 244 N GLN A 233 LINK SG CYS A 225 ZN ZN A 301 1555 1555 2.33 LINK SG CYS A 228 ZN ZN A 301 1555 1555 2.33 LINK SG CYS A 245 ZN ZN A 301 1555 1555 2.30 LINK SG CYS A 248 ZN ZN A 301 1555 1555 2.32 CRYST1 54.065 57.177 66.287 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 0.018496 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017490 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015086 0.00000