HEADER HYDROLASE 18-FEB-04 1UX0 TITLE BACILLUS SUBTILIS CYTIDINE DEAMINASE WITH AN ARG56 - GLN SUBSTITUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTIDINE DEAMINASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CYTIDINE AMINOHYDROLASE, CDA; COMPND 5 EC: 3.5.4.5; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS SUBTILIS; SOURCE 3 ORGANISM_TAXID: 1423; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: JF611; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PTRCR56QCDA KEYWDS CYTIDINE DEAMINASE, CDD, TETRAMER, ZINC BINDING, PYRIMIDINE KEYWDS 2 METABOLISM, SALVAGE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR E.JOHANSSON,J.NEUHARD,M.WILLEMOES,S.LARSEN REVDAT 5 13-DEC-23 1UX0 1 REMARK LINK REVDAT 4 06-MAR-19 1UX0 1 REMARK REVDAT 3 17-JAN-18 1UX0 1 REMARK REVDAT 2 24-FEB-09 1UX0 1 VERSN REVDAT 1 20-MAY-04 1UX0 0 JRNL AUTH E.JOHANSSON,J.NEUHARD,M.WILLEMOES,S.LARSEN JRNL TITL STRUCTURAL, KINETIC, AND MUTATIONAL STUDIES OF THE ZINC ION JRNL TITL 2 ENVIRONMENT IN TETRAMERIC CYTIDINE DEAMINASE JRNL REF BIOCHEMISTRY V. 43 6020 2004 JRNL REFN ISSN 0006-2960 JRNL PMID 15147186 JRNL DOI 10.1021/BI035893X REMARK 2 REMARK 2 RESOLUTION. 1.99 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.99 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.95 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1404991.240 REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 16757 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.191 REMARK 3 FREE R VALUE : 0.207 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.600 REMARK 3 FREE R VALUE TEST SET COUNT : 777 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.99 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.11 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2647 REMARK 3 BIN R VALUE (WORKING SET) : 0.1920 REMARK 3 BIN FREE R VALUE : 0.2020 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 3.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 85 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.022 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1952 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 34 REMARK 3 SOLVENT ATOMS : 145 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -5.24000 REMARK 3 B22 (A**2) : 5.35000 REMARK 3 B33 (A**2) : -0.11000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 1.08000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.11 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.24 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.15 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.100 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.730 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.150 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.620 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.920 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.670 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.34 REMARK 3 BSOL : 44.65 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 : WATER.PARAM REMARK 3 PARAMETER FILE 4 : THU_PAR REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : ION.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : THU_TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1UX0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 18-FEB-04. REMARK 100 THE DEPOSITION ID IS D_1290014590. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-NOV-01 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 4.60 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : MAX II REMARK 200 BEAMLINE : I711 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.968 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16761 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.990 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 6.400 REMARK 200 R MERGE (I) : 0.10600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.99 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.04 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.4 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.35100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: PDB ENTRY 1JTK REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: VAPOUR DIFFUSION AT RT: PROTEIN: 4.6 REMARK 280 MG/ML + 5 MM TETRAHYDRODEOXYURIDINE PRECIPITANT: 17-23 % MPD, 10 REMARK 280 MM CALCIUM CHLORIDE 0.1 M SODIUM ACETATE, PH 4.60, VAPOR REMARK 280 DIFFUSION REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 37.44000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.04900 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 37.44000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 33.04900 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PQS 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 26.83649 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 100.09515 REMARK 400 REMARK 400 COMPOUND REMARK 400 ENGINEERED MUTATION ARG 56 GLN IN CHAINS A AND B. REMARK 400 REMARK 400 THIS ENZYME SCAVENGES EXOGENOUS AND ENDOGENOUS CYTIDINE REMARK 400 AND 2'-DEOXYCYTIDINE FOR UMP SYNTHESIS. 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 HIS A 131 REMARK 465 ASP A 132 REMARK 465 GLU A 133 REMARK 465 ARG A 134 REMARK 465 LYS A 135 REMARK 465 LEU A 136 REMARK 465 HIS B 131 REMARK 465 ASP B 132 REMARK 465 GLU B 133 REMARK 465 ARG B 134 REMARK 465 LYS B 135 REMARK 465 LEU B 136 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 107 -148.05 -122.89 REMARK 500 LEU A 121 78.98 -152.29 REMARK 500 ASN B 107 -149.60 -116.93 REMARK 500 LEU B 121 76.92 -153.17 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 A1131 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 53 SG REMARK 620 2 CYS A 86 SG 111.6 REMARK 620 3 CYS A 89 SG 102.6 119.8 REMARK 620 4 THU A 138 O4 114.8 108.7 99.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B1131 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 53 SG REMARK 620 2 CYS B 86 SG 113.4 REMARK 620 3 CYS B 89 SG 101.4 120.1 REMARK 620 4 THU B 138 O4 115.5 108.7 97.0 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 A1131 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B1131 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE THU A 138 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE THU B 138 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1JTK RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CYTIDINE DEAMINASE FROM BACILLUS SUBTILIS IN REMARK 900 COMPLEX WITH THE INHIBITOR TETRAHYDRODEOXYURIDINE REMARK 900 RELATED ID: 1UWZ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CYTIDINE DEAMINASE FROM BACILLUS SUBTILIS R56A REMARK 900 MUTANT ENZYME REMARK 900 RELATED ID: 1UX1 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CYTIDINE DEAMINASE FROM BACILLUS SUBTILIS C53H REMARK 900 AND R56A MUTANT ENZYME REMARK 999 REMARK 999 SEQUENCE REMARK 999 THIS IS AN R56Q MUTANT ENZYME DBREF 1UX0 A 1 136 UNP P19079 CDD_BACSU 1 136 DBREF 1UX0 B 1 136 UNP P19079 CDD_BACSU 1 136 SEQADV 1UX0 GLN A 56 UNP P19079 ARG 56 ENGINEERED MUTATION SEQADV 1UX0 GLN B 56 UNP P19079 ARG 56 ENGINEERED MUTATION SEQRES 1 A 136 MET ASN ARG GLN GLU LEU ILE THR GLU ALA LEU LYS ALA SEQRES 2 A 136 ARG ASP MET ALA TYR ALA PRO TYR SER LYS PHE GLN VAL SEQRES 3 A 136 GLY ALA ALA LEU LEU THR LYS ASP GLY LYS VAL TYR ARG SEQRES 4 A 136 GLY CYS ASN ILE GLU ASN ALA ALA TYR SER MET CYS ASN SEQRES 5 A 136 CYS ALA GLU GLN THR ALA LEU PHE LYS ALA VAL SER GLU SEQRES 6 A 136 GLY ASP THR GLU PHE GLN MET LEU ALA VAL ALA ALA ASP SEQRES 7 A 136 THR PRO GLY PRO VAL SER PRO CYS GLY ALA CYS ARG GLN SEQRES 8 A 136 VAL ILE SER GLU LEU CYS THR LYS ASP VAL ILE VAL VAL SEQRES 9 A 136 LEU THR ASN LEU GLN GLY GLN ILE LYS GLU MET THR VAL SEQRES 10 A 136 GLU GLU LEU LEU PRO GLY ALA PHE SER SER GLU ASP LEU SEQRES 11 A 136 HIS ASP GLU ARG LYS LEU SEQRES 1 B 136 MET ASN ARG GLN GLU LEU ILE THR GLU ALA LEU LYS ALA SEQRES 2 B 136 ARG ASP MET ALA TYR ALA PRO TYR SER LYS PHE GLN VAL SEQRES 3 B 136 GLY ALA ALA LEU LEU THR LYS ASP GLY LYS VAL TYR ARG SEQRES 4 B 136 GLY CYS ASN ILE GLU ASN ALA ALA TYR SER MET CYS ASN SEQRES 5 B 136 CYS ALA GLU GLN THR ALA LEU PHE LYS ALA VAL SER GLU SEQRES 6 B 136 GLY ASP THR GLU PHE GLN MET LEU ALA VAL ALA ALA ASP SEQRES 7 B 136 THR PRO GLY PRO VAL SER PRO CYS GLY ALA CYS ARG GLN SEQRES 8 B 136 VAL ILE SER GLU LEU CYS THR LYS ASP VAL ILE VAL VAL SEQRES 9 B 136 LEU THR ASN LEU GLN GLY GLN ILE LYS GLU MET THR VAL SEQRES 10 B 136 GLU GLU LEU LEU PRO GLY ALA PHE SER SER GLU ASP LEU SEQRES 11 B 136 HIS ASP GLU ARG LYS LEU HET THU A 138 16 HET ZN A1131 1 HET THU B 138 16 HET ZN B1131 1 HETNAM THU TETRAHYDRODEOXYURIDINE HETNAM ZN ZINC ION FORMUL 3 THU 2(C9 H14 N2 O5) FORMUL 4 ZN 2(ZN 2+) FORMUL 7 HOH *145(H2 O) HELIX 1 1 ASN A 2 ASP A 15 1 14 HELIX 2 2 ALA A 47 CYS A 51 5 5 HELIX 3 3 CYS A 53 GLU A 65 1 13 HELIX 4 4 CYS A 86 CYS A 97 1 12 HELIX 5 5 VAL A 117 LEU A 121 1 5 HELIX 6 6 SER A 126 LEU A 130 5 5 HELIX 7 7 ASN B 2 ASP B 15 1 14 HELIX 8 8 ALA B 47 CYS B 51 5 5 HELIX 9 9 CYS B 53 GLU B 65 1 13 HELIX 10 10 CYS B 86 CYS B 97 1 12 HELIX 11 11 VAL B 117 LEU B 121 1 5 HELIX 12 12 SER B 126 LEU B 130 5 5 SHEET 1 AA 5 VAL A 37 CYS A 41 0 SHEET 2 AA 5 VAL A 26 THR A 32 -1 O ALA A 28 N GLY A 40 SHEET 3 AA 5 PHE A 70 ALA A 77 -1 N GLN A 71 O LEU A 31 SHEET 4 AA 5 ILE A 102 THR A 106 1 O ILE A 102 N LEU A 73 SHEET 5 AA 5 ILE A 112 THR A 116 -1 O LYS A 113 N LEU A 105 SHEET 1 BA 5 VAL B 37 CYS B 41 0 SHEET 2 BA 5 VAL B 26 THR B 32 -1 O ALA B 28 N GLY B 40 SHEET 3 BA 5 PHE B 70 ALA B 77 -1 N GLN B 71 O LEU B 31 SHEET 4 BA 5 ILE B 102 THR B 106 1 O ILE B 102 N LEU B 73 SHEET 5 BA 5 ILE B 112 THR B 116 -1 O LYS B 113 N LEU B 105 LINK SG CYS A 53 ZN ZN A1131 1555 1555 2.44 LINK SG CYS A 86 ZN ZN A1131 1555 1555 2.34 LINK SG CYS A 89 ZN ZN A1131 1555 1555 2.47 LINK O4 THU A 138 ZN ZN A1131 1555 1555 2.38 LINK SG CYS B 53 ZN ZN B1131 1555 1555 2.43 LINK SG CYS B 86 ZN ZN B1131 1555 1555 2.33 LINK SG CYS B 89 ZN ZN B1131 1555 1555 2.48 LINK O4 THU B 138 ZN ZN B1131 1555 1555 2.44 SITE 1 AC1 4 CYS A 53 CYS A 86 CYS A 89 THU A 138 SITE 1 AC2 4 CYS B 53 CYS B 86 CYS B 89 THU B 138 SITE 1 AC3 14 PHE A 24 VAL A 26 ASN A 42 GLU A 44 SITE 2 AC3 14 CYS A 53 ALA A 54 GLU A 55 PRO A 85 SITE 3 AC3 14 CYS A 86 CYS A 89 ZN A1131 ALA B 46 SITE 4 AC3 14 ALA B 47 TYR B 48 SITE 1 AC4 14 ALA A 46 ALA A 47 TYR A 48 PHE B 24 SITE 2 AC4 14 VAL B 26 ASN B 42 GLU B 44 CYS B 53 SITE 3 AC4 14 ALA B 54 GLU B 55 PRO B 85 CYS B 86 SITE 4 AC4 14 CYS B 89 ZN B1131 CRYST1 74.880 66.098 55.514 90.00 115.64 90.00 C 1 2 1 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 0.013355 0.000000 0.006410 0.00000 SCALE2 0.000000 0.015129 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019981 0.00000 MTRIX1 1 -0.999936 0.001283 -0.011201 26.39634 1 MTRIX2 1 -0.001334 -0.999989 0.004566 117.58556 1 MTRIX3 1 -0.011195 0.004580 0.999927 -0.16090 1