HEADER HYDROLASE 24-JUN-13 4LD2 TITLE CRYSTAL STRUCTURE OF NE0047 IN COMPLEX WITH CYTIDINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTIDINE AND DEOXYCYTIDYLATE DEAMINASE ZINC-BINDING REGION; COMPND 3 CHAIN: A, B; COMPND 4 EC: 3.5.-.-; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NITROSOMONAS EUROPAEA; SOURCE 3 ORGANISM_TAXID: 228410; SOURCE 4 STRAIN: ATCC 19718 / NBRC 14298; SOURCE 5 GENE: NE0047; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID KEYWDS CDA FOLD, DEAMINASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR A.BITRA,A.BISWAS,R.ANAND REVDAT 3 30-OCT-24 4LD2 1 REMARK REVDAT 2 08-NOV-23 4LD2 1 REMARK SEQADV LINK REVDAT 1 22-JAN-14 4LD2 0 JRNL AUTH A.BITRA,A.BISWAS,R.ANAND JRNL TITL STRUCTURAL BASIS OF THE SUBSTRATE SPECIFICITY OF CYTIDINE JRNL TITL 2 DEAMINASE SUPERFAMILY GUANINE DEAMINASE JRNL REF BIOCHEMISTRY V. 52 8106 2013 JRNL REFN ISSN 0006-2960 JRNL PMID 24083949 JRNL DOI 10.1021/BI400818E REMARK 2 REMARK 2 RESOLUTION. 1.55 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.2 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.55 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.53 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) (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 46534 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.199 REMARK 3 FREE R VALUE : 0.218 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2315 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 : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.55 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.59 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2270 REMARK 3 BIN FREE R VALUE : 0.2720 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 70 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.086 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2691 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 27 REMARK 3 SOLVENT ATOMS : 227 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.11 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.81000 REMARK 3 B22 (A**2) : 3.91000 REMARK 3 B33 (A**2) : -1.10000 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 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) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : NULL 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 : 35.24 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : ION.PARAM REMARK 3 PARAMETER FILE 3 : CYTIDINE.PARAM REMARK 3 PARAMETER FILE 4 : WATER.PARAM REMARK 3 PARAMETER FILE 5 : EDO.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4LD2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 23-JUL-13. REMARK 100 THE DEPOSITION ID IS D_1000080477. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-FEB-13 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : BM14 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : IMOSFLM REMARK 200 DATA SCALING SOFTWARE : IMOSFLM REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 46602 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.550 REMARK 200 RESOLUTION RANGE LOW (A) : 27.530 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 5.700 REMARK 200 R MERGE (I) : 0.07200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.55 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.63 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 5.70 REMARK 200 R MERGE FOR SHELL (I) : 0.37600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: 2G84 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35.42 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.225M MGCL2, 25% PEG 3350, 0.1M BIS REMARK 280 -TRIS, PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K 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 19.10500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 55.05500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 37.27500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 55.05500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 19.10500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 37.27500 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: 4670 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14640 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -98.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 GLY A -1 REMARK 465 HIS A 0 REMARK 465 MET A 1 REMARK 465 GLY A 190 REMARK 465 VAL A 191 REMARK 465 HIS A 192 REMARK 465 LYS A 193 REMARK 465 GLY A 194 REMARK 465 SER A 195 REMARK 465 GLY B -1 REMARK 465 HIS B 0 REMARK 465 ASN B 181 REMARK 465 GLY B 182 REMARK 465 VAL B 183 REMARK 465 ILE B 184 REMARK 465 TYR B 185 REMARK 465 ASN B 186 REMARK 465 ALA B 187 REMARK 465 ARG B 188 REMARK 465 CYS B 189 REMARK 465 GLY B 190 REMARK 465 VAL B 191 REMARK 465 HIS B 192 REMARK 465 LYS B 193 REMARK 465 GLY B 194 REMARK 465 SER B 195 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 ALA A 43 31.43 -97.30 REMARK 500 PRO A 47 48.38 -76.79 REMARK 500 ALA A 130 -83.72 -99.81 REMARK 500 ASN B 2 -72.90 -108.13 REMARK 500 ASP B 3 -107.85 -45.09 REMARK 500 ALA B 4 167.21 -44.74 REMARK 500 ALA B 43 30.69 -98.44 REMARK 500 ALA B 130 -84.95 -101.25 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 201 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 77 ND1 REMARK 620 2 CYS A 112 SG 104.1 REMARK 620 3 CYS A 115 SG 111.6 117.8 REMARK 620 4 HOH A 301 O 110.6 105.8 106.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 201 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 77 ND1 REMARK 620 2 CYS B 112 SG 105.2 REMARK 620 3 CYS B 115 SG 110.2 117.5 REMARK 620 4 HOH B 301 O 114.3 103.2 106.6 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 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CTN A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO B 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO B 203 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4HRQ RELATED DB: PDB REMARK 900 RELATED ID: 4HRW RELATED DB: PDB REMARK 900 RELATED ID: 2G84 RELATED DB: PDB REMARK 900 RELATED ID: 4LC5 RELATED DB: PDB REMARK 900 RELATED ID: 4LCN RELATED DB: PDB REMARK 900 RELATED ID: 4LCO RELATED DB: PDB REMARK 900 RELATED ID: 4LDP RELATED DB: PDB REMARK 900 RELATED ID: 4LD4 RELATED DB: PDB DBREF 4LD2 A 1 193 UNP Q82Y41 Q82Y41_NITEU 1 193 DBREF 4LD2 B 1 193 UNP Q82Y41 Q82Y41_NITEU 1 193 SEQADV 4LD2 GLY A -1 UNP Q82Y41 EXPRESSION TAG SEQADV 4LD2 HIS A 0 UNP Q82Y41 EXPRESSION TAG SEQADV 4LD2 GLY A 194 UNP Q82Y41 EXPRESSION TAG SEQADV 4LD2 SER A 195 UNP Q82Y41 EXPRESSION TAG SEQADV 4LD2 GLY B -1 UNP Q82Y41 EXPRESSION TAG SEQADV 4LD2 HIS B 0 UNP Q82Y41 EXPRESSION TAG SEQADV 4LD2 GLY B 194 UNP Q82Y41 EXPRESSION TAG SEQADV 4LD2 SER B 195 UNP Q82Y41 EXPRESSION TAG SEQRES 1 A 197 GLY HIS MET ASN ASP ALA LEU HIS ILE GLY LEU PRO PRO SEQRES 2 A 197 PHE LEU VAL GLN ALA ASN ASN GLU PRO ARG VAL LEU ALA SEQRES 3 A 197 ALA PRO GLU ALA ARG MET GLY TYR VAL LEU GLU LEU VAL SEQRES 4 A 197 ARG ALA ASN ILE ALA ALA ASP GLY GLY PRO PHE ALA ALA SEQRES 5 A 197 ALA VAL PHE GLU ARG ASP SER GLY LEU LEU ILE ALA ALA SEQRES 6 A 197 GLY THR ASN ARG VAL VAL PRO GLY ARG CYS SER ALA ALA SEQRES 7 A 197 HIS ALA GLU ILE LEU ALA LEU SER LEU ALA GLN ALA LYS SEQRES 8 A 197 LEU ASP THR HIS ASP LEU SER ALA ASP GLY LEU PRO ALA SEQRES 9 A 197 CYS GLU LEU VAL THR SER ALA GLU PRO CYS VAL MET CYS SEQRES 10 A 197 PHE GLY ALA VAL ILE TRP SER GLY VAL ARG SER LEU VAL SEQRES 11 A 197 CYS ALA ALA ARG SER ASP ASP VAL GLU ALA ILE GLY PHE SEQRES 12 A 197 ASP GLU GLY PRO ARG PRO GLU ASN TRP MET GLY GLY LEU SEQRES 13 A 197 GLU ALA ARG GLY ILE THR VAL THR THR GLY LEU LEU ARG SEQRES 14 A 197 ASP ALA ALA CYS ALA LEU LEU ARG GLU TYR ASN ALA CYS SEQRES 15 A 197 ASN GLY VAL ILE TYR ASN ALA ARG CYS GLY VAL HIS LYS SEQRES 16 A 197 GLY SER SEQRES 1 B 197 GLY HIS MET ASN ASP ALA LEU HIS ILE GLY LEU PRO PRO SEQRES 2 B 197 PHE LEU VAL GLN ALA ASN ASN GLU PRO ARG VAL LEU ALA SEQRES 3 B 197 ALA PRO GLU ALA ARG MET GLY TYR VAL LEU GLU LEU VAL SEQRES 4 B 197 ARG ALA ASN ILE ALA ALA ASP GLY GLY PRO PHE ALA ALA SEQRES 5 B 197 ALA VAL PHE GLU ARG ASP SER GLY LEU LEU ILE ALA ALA SEQRES 6 B 197 GLY THR ASN ARG VAL VAL PRO GLY ARG CYS SER ALA ALA SEQRES 7 B 197 HIS ALA GLU ILE LEU ALA LEU SER LEU ALA GLN ALA LYS SEQRES 8 B 197 LEU ASP THR HIS ASP LEU SER ALA ASP GLY LEU PRO ALA SEQRES 9 B 197 CYS GLU LEU VAL THR SER ALA GLU PRO CYS VAL MET CYS SEQRES 10 B 197 PHE GLY ALA VAL ILE TRP SER GLY VAL ARG SER LEU VAL SEQRES 11 B 197 CYS ALA ALA ARG SER ASP ASP VAL GLU ALA ILE GLY PHE SEQRES 12 B 197 ASP GLU GLY PRO ARG PRO GLU ASN TRP MET GLY GLY LEU SEQRES 13 B 197 GLU ALA ARG GLY ILE THR VAL THR THR GLY LEU LEU ARG SEQRES 14 B 197 ASP ALA ALA CYS ALA LEU LEU ARG GLU TYR ASN ALA CYS SEQRES 15 B 197 ASN GLY VAL ILE TYR ASN ALA ARG CYS GLY VAL HIS LYS SEQRES 16 B 197 GLY SER HET ZN A 201 1 HET CTN A 202 17 HET ZN B 201 1 HET EDO B 202 4 HET EDO B 203 4 HETNAM ZN ZINC ION HETNAM CTN 4-AMINO-1-BETA-D-RIBOFURANOSYL-2(1H)-PYRIMIDINONE HETNAM EDO 1,2-ETHANEDIOL HETSYN CTN CYTIDINE HETSYN EDO ETHYLENE GLYCOL FORMUL 3 ZN 2(ZN 2+) FORMUL 4 CTN C9 H13 N3 O5 FORMUL 6 EDO 2(C2 H6 O2) FORMUL 8 HOH *227(H2 O) HELIX 1 1 PRO A 10 GLU A 19 1 10 HELIX 2 2 ALA A 25 ALA A 43 1 19 HELIX 3 3 HIS A 77 LEU A 90 1 14 HELIX 4 4 CYS A 112 GLY A 123 1 12 HELIX 5 5 ARG A 132 ALA A 138 1 7 HELIX 6 6 ASN A 149 ALA A 156 1 8 HELIX 7 7 LEU A 166 CYS A 180 1 15 HELIX 8 8 PRO B 10 ASN B 17 1 8 HELIX 9 9 ALA B 25 ALA B 43 1 19 HELIX 10 10 HIS B 77 LEU B 90 1 14 HELIX 11 11 CYS B 112 GLY B 123 1 12 HELIX 12 12 ARG B 132 ALA B 138 1 7 HELIX 13 13 ASN B 149 ALA B 156 1 8 HELIX 14 14 LEU B 166 CYS B 180 1 15 SHEET 1 A 2 ALA A 4 ILE A 7 0 SHEET 2 A 2 LEU B 5 GLY B 8 -1 O ILE B 7 N LEU A 5 SHEET 1 B 5 LEU A 60 THR A 65 0 SHEET 2 B 5 ALA A 49 GLU A 54 -1 N VAL A 52 O ALA A 62 SHEET 3 B 5 CYS A 103 ALA A 109 -1 O VAL A 106 N ALA A 51 SHEET 4 B 5 SER A 126 ALA A 131 1 O VAL A 128 N THR A 107 SHEET 5 B 5 THR A 160 THR A 162 1 O THR A 160 N LEU A 127 SHEET 1 C 5 LEU B 60 THR B 65 0 SHEET 2 C 5 ALA B 49 GLU B 54 -1 N VAL B 52 O ILE B 61 SHEET 3 C 5 CYS B 103 ALA B 109 -1 O VAL B 106 N ALA B 51 SHEET 4 C 5 SER B 126 ALA B 131 1 O VAL B 128 N THR B 107 SHEET 5 C 5 THR B 160 THR B 162 1 O THR B 162 N CYS B 129 SSBOND 1 CYS A 180 CYS A 189 1555 1555 2.03 LINK ND1 HIS A 77 ZN ZN A 201 1555 1555 2.10 LINK SG CYS A 112 ZN ZN A 201 1555 1555 2.36 LINK SG CYS A 115 ZN ZN A 201 1555 1555 2.27 LINK ZN ZN A 201 O HOH A 301 1555 1555 2.17 LINK ND1 HIS B 77 ZN ZN B 201 1555 1555 2.08 LINK SG CYS B 112 ZN ZN B 201 1555 1555 2.35 LINK SG CYS B 115 ZN ZN B 201 1555 1555 2.30 LINK ZN ZN B 201 O HOH B 301 1555 1555 2.17 SITE 1 AC1 4 HIS A 77 CYS A 112 CYS A 115 HOH A 301 SITE 1 AC2 12 PHE A 48 ASN A 66 HIS A 77 GLU A 110 SITE 2 AC2 12 CYS A 112 PHE A 141 ASP A 142 GLU A 143 SITE 3 AC2 12 HOH A 301 HOH A 306 HOH A 359 HOH A 393 SITE 1 AC3 4 HIS B 77 CYS B 112 CYS B 115 HOH B 301 SITE 1 AC4 3 GLY B 8 ARG B 67 GLY B 71 SITE 1 AC5 8 PHE B 48 ALA B 109 GLU B 110 VAL B 136 SITE 2 AC5 8 GLU B 143 HOH B 301 HOH B 324 HOH B 326 CRYST1 38.210 74.550 110.110 90.00 90.00 90.00 P 21 21 21 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 0.026171 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013414 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009082 0.00000