HEADER HYDROLASE 01-APR-03 1OX7 TITLE CRYSTAL STRUCTURE OF YEAST CYTOSINE DEAMINASE APO-ENZYME: TITLE 2 INORGANIC ZINC BOUND 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-RIL (DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET15B-(YCD) KEYWDS AMINOHYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR G.C.IRETON,M.E.BLACK,B.L.STODDARD REVDAT 2 24-FEB-09 1OX7 1 VERSN REVDAT 1 19-AUG-03 1OX7 0 JRNL AUTH G.C.IRETON,M.E.BLACK,B.L.STODDARD JRNL TITL THE 1.14 A CRYSTAL STRUCTURE OF YEAST CYTOSINE JRNL TITL 2 DEAMINASE. EVOLUTION OF NUCLEOTIDE SALVAGE ENZYMES JRNL TITL 3 AND IMPLICATIONS FOR 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 1 REMARK 2 REMARK 2 RESOLUTION. 1.43 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.43 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.83 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) (%) : 98.8 REMARK 3 NUMBER OF REFLECTIONS : 97892 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.163 REMARK 3 FREE R VALUE : 0.179 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 4829 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.003 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) : 1.43 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.52 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 15111 REMARK 3 BIN R VALUE (WORKING SET) : 0.1710 REMARK 3 BIN FREE R VALUE : 0.2010 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 826 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.007 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2458 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 375 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 9.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 10.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.06000 REMARK 3 B22 (A**2) : -0.23000 REMARK 3 B33 (A**2) : 0.28000 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) : 0.14 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.07 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.40 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.84 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) : 0.880 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.260 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.100 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.630 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : 0.38 REMARK 3 BSOL : 49.50 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 : NULL REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 PARAMETER FILE 4 : 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 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1OX7 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-APR-03. REMARK 100 THE RCSB ID CODE IS RCSB018764. 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) : 0.9795 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 : 98785 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.430 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 (%) : 99.9 REMARK 200 DATA REDUNDANCY : 7.400 REMARK 200 R MERGE (I) : 0.04800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 27.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.43 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.48 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.16500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 9.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 28.68 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.74 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, CALCIUM ACETATE, SODIUM REMARK 280 CACODYLATE, PH 6.5, STREAK SEEDING, 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 27.24550 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 35.97050 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 35.23350 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 35.97050 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.24550 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 35.23350 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: 3510 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12490 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -177.0 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 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 862 O HOH B 863 2.09 REMARK 500 O HOH B 863 O HOH B 864 2.13 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 HOH A 551 O REMARK 620 2 HOH A 552 O 108.0 REMARK 620 3 HOH A 549 O 111.9 108.8 REMARK 620 4 HOH A 550 O 108.8 111.4 107.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 402 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 550 O REMARK 620 2 CYS A 94 SG 113.9 REMARK 620 3 CYS A 91 SG 96.0 118.6 REMARK 620 4 HIS A 62 ND1 111.0 111.8 104.3 REMARK 620 N 1 2 3 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 CYS B 291 SG REMARK 620 2 CYS B 294 SG 119.4 REMARK 620 3 HOH B 507 O 96.1 114.8 REMARK 620 4 HIS B 262 ND1 104.1 111.1 110.1 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 403 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 506 O REMARK 620 2 HOH B 508 O 108.0 REMARK 620 3 HOH B 504 O 112.6 107.7 REMARK 620 4 HOH B 507 O 108.8 111.2 108.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 404 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 328 OE1 REMARK 620 2 GLN B 350 OE1 96.1 REMARK 620 3 HOH A 774 O 91.2 85.1 REMARK 620 4 HOH B 519 O 173.7 90.1 90.5 REMARK 620 5 GLU A 75 OE2 83.0 152.2 122.6 90.9 REMARK 620 6 HOH B 576 O 92.9 78.4 163.4 87.1 73.9 REMARK 620 7 GLU A 75 OE1 91.8 158.3 74.5 82.8 48.9 121.4 REMARK 620 N 1 2 3 4 5 6 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 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 401 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 402 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 403 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 404 DBREF 1OX7 A 1 158 UNP Q12178 FCY1_YEAST 1 158 DBREF 1OX7 B 201 358 UNP Q12178 FCY1_YEAST 1 158 SEQADV 1OX7 GLY A -2 UNP Q12178 CLONING ARTIFACT SEQADV 1OX7 SER A -1 UNP Q12178 CLONING ARTIFACT SEQADV 1OX7 SER A 0 UNP Q12178 CLONING ARTIFACT SEQADV 1OX7 MSE A 1 UNP Q12178 MET 1 MODIFIED RESIDUE SEQADV 1OX7 MSE A 6 UNP Q12178 MET 6 MODIFIED RESIDUE SEQADV 1OX7 MSE A 15 UNP Q12178 MET 15 MODIFIED RESIDUE SEQADV 1OX7 MSE A 52 UNP Q12178 MET 52 MODIFIED RESIDUE SEQADV 1OX7 MSE A 93 UNP Q12178 MET 93 MODIFIED RESIDUE SEQADV 1OX7 MSE A 100 UNP Q12178 MET 100 MODIFIED RESIDUE SEQADV 1OX7 MSE A 141 UNP Q12178 MET 141 MODIFIED RESIDUE SEQADV 1OX7 GLY B 198 UNP Q12178 CLONING ARTIFACT SEQADV 1OX7 SER B 199 UNP Q12178 CLONING ARTIFACT SEQADV 1OX7 SER B 200 UNP Q12178 CLONING ARTIFACT SEQADV 1OX7 MSE B 201 UNP Q12178 MET 1 MODIFIED RESIDUE SEQADV 1OX7 MSE B 206 UNP Q12178 MET 6 MODIFIED RESIDUE SEQADV 1OX7 MSE B 215 UNP Q12178 MET 15 MODIFIED RESIDUE SEQADV 1OX7 MSE B 252 UNP Q12178 MET 52 MODIFIED RESIDUE SEQADV 1OX7 MSE B 293 UNP Q12178 MET 93 MODIFIED RESIDUE SEQADV 1OX7 MSE B 300 UNP Q12178 MET 100 MODIFIED RESIDUE SEQADV 1OX7 MSE B 341 UNP Q12178 MET 141 MODIFIED RESIDUE SEQRES 1 A 161 GLY SER SER MSE VAL THR GLY GLY MSE ALA SER LYS TRP SEQRES 2 A 161 ASP GLN LYS GLY MSE 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 MSE 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 MSE CYS THR GLY ALA ILE ILE MSE 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 MSE 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 MSE VAL THR GLY GLY MSE ALA SER LYS TRP SEQRES 2 B 161 ASP GLN LYS GLY MSE 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 MSE 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 MSE CYS THR GLY ALA ILE ILE MSE 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 MSE LYS GLN PHE ILE ASP GLU ARG PRO GLN ASP TRP PHE SEQRES 13 B 161 GLU ASP ILE GLY GLU MODRES 1OX7 MSE A 1 MET SELENOMETHIONINE MODRES 1OX7 MSE A 6 MET SELENOMETHIONINE MODRES 1OX7 MSE A 15 MET SELENOMETHIONINE MODRES 1OX7 MSE A 52 MET SELENOMETHIONINE MODRES 1OX7 MSE A 93 MET SELENOMETHIONINE MODRES 1OX7 MSE A 100 MET SELENOMETHIONINE MODRES 1OX7 MSE A 141 MET SELENOMETHIONINE MODRES 1OX7 MSE B 201 MET SELENOMETHIONINE MODRES 1OX7 MSE B 206 MET SELENOMETHIONINE MODRES 1OX7 MSE B 215 MET SELENOMETHIONINE MODRES 1OX7 MSE B 252 MET SELENOMETHIONINE MODRES 1OX7 MSE B 293 MET SELENOMETHIONINE MODRES 1OX7 MSE B 300 MET SELENOMETHIONINE MODRES 1OX7 MSE B 341 MET SELENOMETHIONINE HET MSE A 1 8 HET MSE A 6 8 HET MSE A 15 8 HET MSE A 52 8 HET MSE A 93 8 HET MSE A 100 8 HET MSE A 141 8 HET MSE B 201 8 HET MSE B 206 8 HET MSE B 215 8 HET MSE B 252 8 HET MSE B 293 8 HET MSE B 300 8 HET MSE B 341 8 HET ZN B 400 1 HET ZN A 401 1 HET ZN A 402 1 HET ZN B 403 1 HET CA B 404 1 HETNAM MSE SELENOMETHIONINE HETNAM ZN ZINC ION HETNAM CA CALCIUM ION FORMUL 1 MSE 14(C5 H11 N O2 SE) FORMUL 3 ZN 4(ZN 2+) FORMUL 7 CA CA 2+ FORMUL 8 HOH *375(H2 O) HELIX 1 1 TRP A 10 GLU A 28 1 19 HELIX 2 2 MSE 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 MSE 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 LEU B 237 O LEU B 246 SHEET 3 B 5 THR B 282 THR B 286 -1 O TYR B 285 N CYS B 236 SHEET 4 B 5 ARG B 305 VAL B 308 1 O VAL B 307 N THR B 286 SHEET 5 B 5 GLU B 328 VAL B 331 1 O VAL B 330 N VAL B 308 LINK C MSE A 1 N VAL A 2 1555 1555 1.33 LINK C GLY A 5 N MSE A 6 1555 1555 1.33 LINK C MSE A 6 N ALA A 7 1555 1555 1.32 LINK C GLY A 14 N MSE A 15 1555 1555 1.33 LINK C MSE A 15 N ASP A 16 1555 1555 1.33 LINK C ASN A 51 N MSE A 52 1555 1555 1.33 LINK C MSE A 52 N ARG A 53 1555 1555 1.33 LINK C ASP A 92 N MSE A 93 1555 1555 1.34 LINK C MSE A 93 N CYS A 94 1555 1555 1.33 LINK C ILE A 99 N MSE A 100 1555 1555 1.33 LINK C MSE A 100 N TYR A 101 1555 1555 1.34 LINK C ILE A 140 N MSE A 141 1555 1555 1.33 LINK C MSE A 141 N LYS A 142 1555 1555 1.33 LINK ZN ZN A 401 O HOH A 551 1555 1555 1.96 LINK ZN ZN A 401 O HOH A 552 1555 1555 1.77 LINK ZN ZN A 401 O HOH A 549 1555 1555 2.02 LINK ZN ZN A 401 O HOH A 550 1555 1555 1.76 LINK ZN ZN A 402 O HOH A 550 1555 1555 1.98 LINK ZN ZN A 402 SG CYS A 94 1555 1555 2.30 LINK ZN ZN A 402 SG CYS A 91 1555 1555 2.31 LINK ZN ZN A 402 ND1 HIS A 62 1555 1555 2.07 LINK C SER B 200 N MSE B 201 1555 1555 1.33 LINK C MSE B 201 N VAL B 202 1555 1555 1.33 LINK C GLY B 205 N MSE B 206 1555 1555 1.32 LINK C MSE B 206 N ALA B 207 1555 1555 1.33 LINK C GLY B 214 N MSE B 215 1555 1555 1.33 LINK C MSE B 215 N ASP B 216 1555 1555 1.33 LINK C ASN B 251 N MSE B 252 1555 1555 1.33 LINK C MSE B 252 N ARG B 253 1555 1555 1.33 LINK C ASP B 292 N MSE B 293 1555 1555 1.34 LINK C MSE B 293 N CYS B 294 1555 1555 1.33 LINK C ILE B 299 N MSE B 300 1555 1555 1.33 LINK C MSE B 300 N TYR B 301 1555 1555 1.33 LINK C ILE B 340 N MSE B 341 1555 1555 1.33 LINK C MSE B 341 N LYS B 342 1555 1555 1.33 LINK ZN ZN B 400 SG CYS B 291 1555 1555 2.32 LINK ZN ZN B 400 SG CYS B 294 1555 1555 2.29 LINK ZN ZN B 400 O HOH B 507 1555 1555 1.97 LINK ZN ZN B 400 ND1 HIS B 262 1555 1555 2.09 LINK ZN ZN B 403 O HOH B 506 1555 1555 2.00 LINK ZN ZN B 403 O HOH B 508 1555 1555 1.72 LINK ZN ZN B 403 O HOH B 504 1555 1555 1.97 LINK ZN ZN B 403 O HOH B 507 1555 1555 1.73 LINK CA CA B 404 OE1 GLU B 328 1555 1555 2.45 LINK CA CA B 404 OE1 GLN B 350 1555 2564 2.35 LINK CA CA B 404 O HOH A 774 1555 2564 2.67 LINK CA CA B 404 O HOH B 519 1555 2564 2.44 LINK CA CA B 404 OE2 GLU A 75 1555 2564 2.42 LINK CA CA B 404 O HOH B 576 1555 2564 2.61 LINK CA CA B 404 OE1 GLU A 75 1555 2564 2.78 SITE 1 AC1 5 HIS B 262 CYS B 291 CYS B 294 ZN B 403 SITE 2 AC1 5 HOH B 507 SITE 1 AC2 6 GLU A 64 ZN A 402 HOH A 549 HOH A 550 SITE 2 AC2 6 HOH A 551 HOH A 552 SITE 1 AC3 5 HIS A 62 CYS A 91 CYS A 94 ZN A 401 SITE 2 AC3 5 HOH A 550 SITE 1 AC4 6 GLU B 264 ZN B 400 HOH B 504 HOH B 506 SITE 2 AC4 6 HOH B 507 HOH B 508 SITE 1 AC5 6 GLU A 75 HOH A 774 GLU B 328 GLN B 350 SITE 2 AC5 6 HOH B 519 HOH B 576 CRYST1 54.491 70.467 71.941 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 0.018352 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014191 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013900 0.00000 HETATM 1 N MSE A 1 -2.924 19.462 53.193 1.00 28.68 N HETATM 2 CA MSE A 1 -3.703 18.469 52.398 1.00 27.73 C HETATM 3 C MSE A 1 -2.808 17.566 51.554 1.00 27.66 C HETATM 4 O MSE A 1 -1.962 18.036 50.791 1.00 27.94 O HETATM 5 CB MSE A 1 -4.707 19.188 51.482 1.00 27.74 C HETATM 6 CG MSE A 1 -5.514 18.249 50.579 1.00 26.89 C HETATM 7 SE MSE A 1 -6.844 19.134 49.464 1.00 27.87 SE HETATM 8 CE MSE A 1 -8.328 19.100 50.713 1.00 27.16 C