HEADER HYDROLASE 29-APR-03 1P6O TITLE THE CRYSTAL STRUCTURE OF YEAST CYTOSINE DEAMINASE BOUND TO 4(R)- TITLE 2 HYDROXYL-3,4-DIHYDROPYRIMIDINE AT 1.14 ANGSTROMS. COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOSINE DEAMINASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CYTOSINE AMINOHYDROLASE; COMPND 5 EC: 3.5.4.1; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE; SOURCE 3 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 4 ORGANISM_TAXID: 4932; SOURCE 5 GENE: FCY1 OR YPR062W OR YP9499.17; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3) -RIL; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET15B KEYWDS CYTOSINE DEAMINASE, HYDROLASE, DIMER, INHIBITOR BOUND EXPDTA X-RAY DIFFRACTION AUTHOR G.C.IRETON,M.E.BLACK,B.L.STODDARD REVDAT 3 16-AUG-23 1P6O 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1P6O 1 VERSN REVDAT 1 19-AUG-03 1P6O 0 JRNL AUTH G.C.IRETON,M.E.BLACK,B.L.STODDARD JRNL TITL THE 1.14 A CRYSTAL STRUCTURE OF YEAST CYTOSINE DEAMINASE. JRNL TITL 2 EVOLUTION OF NUCLEOTIDE SALVAGE ENZYMES AND IMPLICATIONS FOR JRNL TITL 3 GENETIC CHEMOTHERAPY. JRNL REF STRUCTURE V. 11 961 2003 JRNL REFN ISSN 0969-2126 JRNL PMID 12906827 JRNL DOI 10.1016/S0969-2126(03)00153-9 REMARK 2 REMARK 2 RESOLUTION. 1.14 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.14 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 92.7 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.112 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.110 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.152 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 4589 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 92220 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.103 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.100 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.143 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 4080 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 81360 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2443 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 32 REMARK 3 SOLVENT ATOMS : 438 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2903.5 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 1986.5 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 16 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 27398 REMARK 3 NUMBER OF RESTRAINTS : 32116 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 ANGLE DISTANCES (A) : 0.029 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.027 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.071 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.083 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.042 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.004 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.032 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.103 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1P6O COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-APR-03. REMARK 100 THE DEPOSITION ID IS D_1000019074. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-SEP-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI (111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 92236 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.140 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.04800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 20.8400 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.14 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.18 REMARK 200 COMPLETENESS FOR SHELL (%) : 61.6 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.28300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.810 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: 1OX7 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35.58 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.66 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, CALCIUM ACETATE, SODIUM REMARK 280 CACODYLATE, PH 6.5, MICROSEEDING, TEMPERATURE 277K 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 26.94000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 35.76150 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 35.20850 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 35.76150 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.94000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 35.20850 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: 3960 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12180 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -102.0 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 -2 REMARK 465 SER A -1 REMARK 465 SER A 0 REMARK 465 MET A 1 REMARK 465 VAL A 2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ASP A 11 OD1 - CG - OD2 ANGL. DEV. = 12.8 DEGREES REMARK 500 ASP A 11 CB - CG - OD2 ANGL. DEV. = -16.7 DEGREES REMARK 500 CYS A 36 CA - CB - SG ANGL. DEV. = 9.7 DEGREES REMARK 500 ASP A 81 CB - CG - OD1 ANGL. DEV. = 6.1 DEGREES REMARK 500 ARG A 105 NE - CZ - NH1 ANGL. DEV. = 9.5 DEGREES REMARK 500 ARG A 105 NE - CZ - NH2 ANGL. DEV. = -7.7 DEGREES REMARK 500 ARG A 136 NE - CZ - NH2 ANGL. DEV. = 4.0 DEGREES REMARK 500 ASP B 211 CB - CG - OD1 ANGL. DEV. = 11.0 DEGREES REMARK 500 CYS B 236 CA - CB - SG ANGL. DEV. = 9.3 DEGREES REMARK 500 ARG B 305 NH1 - CZ - NH2 ANGL. DEV. = 12.1 DEGREES REMARK 500 ARG B 305 NE - CZ - NH1 ANGL. DEV. = -7.3 DEGREES REMARK 500 ARG B 305 NE - CZ - NH2 ANGL. DEV. = -4.8 DEGREES REMARK 500 MET B 341 CG - SD - CE ANGL. DEV. = 11.8 DEGREES 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 401 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 62 ND1 REMARK 620 2 CYS A 91 SG 102.0 REMARK 620 3 CYS A 94 SG 113.8 116.6 REMARK 620 4 HPY A 411 O4 113.4 108.3 103.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 402 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 75 OE1 REMARK 620 2 GLU A 75 OE2 52.9 REMARK 620 3 GLU B 328 OE1 86.0 92.2 REMARK 620 4 GLN B 350 OE1 159.4 147.0 96.1 REMARK 620 5 HOH B1016 O 87.3 85.1 173.0 89.6 REMARK 620 6 HOH B1060 O 81.6 134.2 88.2 78.0 89.0 REMARK 620 7 HOH B1237 O 119.5 66.6 96.0 80.8 88.9 158.7 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 403 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 150 OE1 REMARK 620 2 HOH A1231 O 93.7 REMARK 620 3 HOH A1311 O 76.1 88.0 REMARK 620 4 GLU B 275 OE1 163.3 86.4 87.2 REMARK 620 5 GLU B 275 OE2 147.3 82.1 135.7 49.3 REMARK 620 6 HOH B1312 O 80.1 105.4 153.4 116.0 70.0 REMARK 620 7 HOH B1392 O 96.6 167.0 86.8 81.5 93.4 84.2 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 400 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 262 ND1 REMARK 620 2 CYS B 291 SG 102.2 REMARK 620 3 CYS B 294 SG 113.5 117.2 REMARK 620 4 HPY B 410 O4 113.2 108.1 103.0 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 B 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 403 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HPY B 410 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HPY A 411 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY A 420 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY B 421 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY B 422 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1OX7 RELATED DB: PDB DBREF 1P6O A 1 158 UNP Q12178 FCY1_YEAST 1 158 DBREF 1P6O B 201 358 UNP Q12178 FCY1_YEAST 1 158 SEQADV 1P6O GLY A -2 UNP Q12178 CLONING ARTIFACT SEQADV 1P6O SER A -1 UNP Q12178 CLONING ARTIFACT SEQADV 1P6O SER A 0 UNP Q12178 CLONING ARTIFACT SEQADV 1P6O GLY B 198 UNP Q12178 CLONING ARTIFACT SEQADV 1P6O SER B 199 UNP Q12178 CLONING ARTIFACT SEQADV 1P6O SER B 200 UNP Q12178 CLONING ARTIFACT SEQRES 1 A 161 GLY SER SER MET VAL THR GLY GLY MET ALA SER LYS TRP SEQRES 2 A 161 ASP GLN LYS GLY MET ASP ILE ALA TYR GLU GLU ALA ALA SEQRES 3 A 161 LEU GLY TYR LYS GLU GLY GLY VAL PRO ILE GLY GLY CYS SEQRES 4 A 161 LEU ILE ASN ASN LYS ASP GLY SER VAL LEU GLY ARG GLY SEQRES 5 A 161 HIS ASN MET ARG PHE GLN LYS GLY SER ALA THR LEU HIS SEQRES 6 A 161 GLY GLU ILE SER THR LEU GLU ASN CYS GLY ARG LEU GLU SEQRES 7 A 161 GLY LYS VAL TYR LYS ASP THR THR LEU TYR THR THR LEU SEQRES 8 A 161 SER PRO CYS ASP MET CYS THR GLY ALA ILE ILE MET TYR SEQRES 9 A 161 GLY ILE PRO ARG CYS VAL VAL GLY GLU ASN VAL ASN PHE SEQRES 10 A 161 LYS SER LYS GLY GLU LYS TYR LEU GLN THR ARG GLY HIS SEQRES 11 A 161 GLU VAL VAL VAL VAL ASP ASP GLU ARG CYS LYS LYS ILE SEQRES 12 A 161 MET LYS GLN PHE ILE ASP GLU ARG PRO GLN ASP TRP PHE SEQRES 13 A 161 GLU ASP ILE GLY GLU SEQRES 1 B 161 GLY SER SER MET VAL THR GLY GLY MET ALA SER LYS TRP SEQRES 2 B 161 ASP GLN LYS GLY MET ASP ILE ALA TYR GLU GLU ALA ALA SEQRES 3 B 161 LEU GLY TYR LYS GLU GLY GLY VAL PRO ILE GLY GLY CYS SEQRES 4 B 161 LEU ILE ASN ASN LYS ASP GLY SER VAL LEU GLY ARG GLY SEQRES 5 B 161 HIS ASN MET ARG PHE GLN LYS GLY SER ALA THR LEU HIS SEQRES 6 B 161 GLY GLU ILE SER THR LEU GLU ASN CYS GLY ARG LEU GLU SEQRES 7 B 161 GLY LYS VAL TYR LYS ASP THR THR LEU TYR THR THR LEU SEQRES 8 B 161 SER PRO CYS ASP MET CYS THR GLY ALA ILE ILE MET TYR SEQRES 9 B 161 GLY ILE PRO ARG CYS VAL VAL GLY GLU ASN VAL ASN PHE SEQRES 10 B 161 LYS SER LYS GLY GLU LYS TYR LEU GLN THR ARG GLY HIS SEQRES 11 B 161 GLU VAL VAL VAL VAL ASP ASP GLU ARG CYS LYS LYS ILE SEQRES 12 B 161 MET LYS GLN PHE ILE ASP GLU ARG PRO GLN ASP TRP PHE SEQRES 13 B 161 GLU ASP ILE GLY GLU HET ZN A 401 1 HET HPY A 411 8 HET ACY A 420 4 HET ZN B 400 1 HET CA B 402 1 HET CA B 403 1 HET HPY B 410 8 HET ACY B 421 4 HET ACY B 422 4 HETNAM ZN ZINC ION HETNAM HPY 4-HYDROXY-3,4-DIHYDRO-1H-PYRIMIDIN-2-ONE HETNAM ACY ACETIC ACID HETNAM CA CALCIUM ION FORMUL 3 ZN 2(ZN 2+) FORMUL 4 HPY 2(C4 H6 N2 O2) FORMUL 5 ACY 3(C2 H4 O2) FORMUL 7 CA 2(CA 2+) FORMUL 12 HOH *438(H2 O) HELIX 1 1 TRP A 10 GLU A 28 1 19 HELIX 2 2 MET A 52 GLY A 57 1 6 HELIX 3 3 HIS A 62 GLY A 72 1 11 HELIX 4 4 GLU A 75 LYS A 80 1 6 HELIX 5 5 CYS A 91 GLY A 102 1 12 HELIX 6 6 LYS A 117 ARG A 125 1 9 HELIX 7 7 ASP A 134 ARG A 148 1 15 HELIX 8 8 ARG A 148 ILE A 156 1 9 HELIX 9 9 TRP B 210 GLU B 228 1 19 HELIX 10 10 MET B 252 GLY B 257 1 6 HELIX 11 11 HIS B 262 GLY B 272 1 11 HELIX 12 12 GLU B 275 LYS B 280 5 6 HELIX 13 13 CYS B 291 GLY B 302 1 12 HELIX 14 14 LYS B 317 ARG B 325 1 9 HELIX 15 15 ASP B 334 ARG B 348 1 15 HELIX 16 16 ARG B 348 ILE B 356 1 9 SHEET 1 A 5 VAL A 45 HIS A 50 0 SHEET 2 A 5 GLY A 34 ASN A 39 -1 N GLY A 35 O GLY A 49 SHEET 3 A 5 THR A 82 LEU A 88 -1 O TYR A 85 N CYS A 36 SHEET 4 A 5 ARG A 105 GLU A 110 1 O GLY A 109 N THR A 86 SHEET 5 A 5 GLU A 128 VAL A 131 1 O VAL A 130 N VAL A 108 SHEET 1 B 5 VAL B 245 HIS B 250 0 SHEET 2 B 5 GLY B 234 ASN B 239 -1 N GLY B 235 O GLY B 249 SHEET 3 B 5 THR B 282 LEU B 288 -1 O TYR B 285 N CYS B 236 SHEET 4 B 5 ARG B 305 GLU B 310 1 O GLY B 309 N THR B 286 SHEET 5 B 5 GLU B 328 VAL B 331 1 O VAL B 330 N VAL B 308 LINK ND1 HIS A 62 ZN ZN A 401 1555 1555 2.01 LINK OE1 GLU A 75 CA CA B 402 2564 1555 2.41 LINK OE2 GLU A 75 CA CA B 402 2564 1555 2.44 LINK SG CYS A 91 ZN ZN A 401 1555 1555 2.29 LINK SG CYS A 94 ZN ZN A 401 1555 1555 2.27 LINK OE1 GLN A 150 CA CA B 403 1555 1555 2.27 LINK ZN ZN A 401 O4 HPY A 411 1555 1555 2.05 LINK O HOH A1231 CA CA B 403 1555 1555 2.48 LINK O HOH A1311 CA CA B 403 1555 1555 2.47 LINK ND1 HIS B 262 ZN ZN B 400 1555 1555 2.00 LINK OE1 GLU B 275 CA CA B 403 1555 1555 2.48 LINK OE2 GLU B 275 CA CA B 403 1555 1555 2.71 LINK SG CYS B 291 ZN ZN B 400 1555 1555 2.30 LINK SG CYS B 294 ZN ZN B 400 1555 1555 2.27 LINK OE1 GLU B 328 CA CA B 402 1555 1555 2.29 LINK OE1 GLN B 350 CA CA B 402 2564 1555 2.29 LINK ZN ZN B 400 O4 HPY B 410 1555 1555 2.06 LINK CA CA B 402 O HOH B1016 1555 1555 2.41 LINK CA CA B 402 O HOH B1060 1555 1555 2.42 LINK CA CA B 402 O HOH B1237 1555 1555 2.35 LINK CA CA B 403 O HOH B1312 1555 1555 2.28 LINK CA CA B 403 O HOH B1392 1555 1555 2.28 SITE 1 AC1 4 HIS B 262 CYS B 291 CYS B 294 HPY B 410 SITE 1 AC2 4 HIS A 62 CYS A 91 CYS A 94 HPY A 411 SITE 1 AC3 6 GLU A 75 GLU B 328 GLN B 350 HOH B1016 SITE 2 AC3 6 HOH B1060 HOH B1237 SITE 1 AC4 6 GLN A 150 HOH A1231 HOH A1311 GLU B 275 SITE 2 AC4 6 HOH B1312 HOH B1392 SITE 1 AC5 10 ILE B 233 ASN B 251 HIS B 262 GLY B 263 SITE 2 AC5 10 GLU B 264 PRO B 290 CYS B 291 CYS B 294 SITE 3 AC5 10 ASP B 355 ZN B 400 SITE 1 AC6 10 ILE A 33 ASN A 51 HIS A 62 GLY A 63 SITE 2 AC6 10 GLU A 64 PRO A 90 CYS A 91 CYS A 94 SITE 3 AC6 10 ASP A 155 ZN A 401 SITE 1 AC7 5 ASP A 42 HOH A1214 HOH A1222 HOH A1228 SITE 2 AC7 5 ARG B 273 SITE 1 AC8 6 GLY B 302 GLY B 326 HIS B 327 PHE B 353 SITE 2 AC8 6 HOH B1093 HOH B1188 SITE 1 AC9 7 LYS A 77 ASN B 240 ASP B 281 PRO B 304 SITE 2 AC9 7 PHE B 353 HOH B1105 HOH B1162 CRYST1 53.880 70.417 71.523 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 0.018560 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014201 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013982 0.00000