HEADER HYDROLASE 01-DEC-06 2O3K TITLE YEAST CYTOSINE DEAMINASE D92E TRIPLE MUTANT BOUND TO TRANSITION STATE TITLE 2 ANALOGUE HPY 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; COMPND 7 MUTATION: 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; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21-RIL; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET15B KEYWDS HOMODIMER, TRANSITION STATE ANALOGUE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR A.M.KORKEGIAN,B.L.STODDARD REVDAT 6 30-AUG-23 2O3K 1 REMARK REVDAT 5 20-OCT-21 2O3K 1 REMARK SEQADV LINK REVDAT 4 18-OCT-17 2O3K 1 REMARK REVDAT 3 13-JUL-11 2O3K 1 VERSN REVDAT 2 24-FEB-09 2O3K 1 VERSN REVDAT 1 16-OCT-07 2O3K 0 JRNL AUTH T.STOLWORTHY,A.M.KORKEGIAN,C.WILLMON,B.L.STODDARD,M.E.BLACK JRNL TITL CRYSTAL STRUCTURE OF YEAST CYTOSINE DEAMINASE D92E TRIPLE JRNL TITL 2 MUTANT BOUND TO TRANSITION STATE ANALOGUE HPY JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 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) (%) : 99.3 REMARK 3 NUMBER OF REFLECTIONS : 13204 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) : 0.204 REMARK 3 FREE R VALUE : 0.257 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.200 REMARK 3 FREE R VALUE TEST SET COUNT : 1355 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 : 27 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.33 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 443 REMARK 3 BIN R VALUE (WORKING SET) : 0.2060 REMARK 3 BIN FREE R VALUE : 0.2670 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 50 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2396 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 19 REMARK 3 SOLVENT ATOMS : 133 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.57 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.79300 REMARK 3 B22 (A**2) : 3.29600 REMARK 3 B33 (A**2) : -1.50300 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) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.100 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.750 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) : 1.164 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.813 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.015 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.905 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 59.54 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 : CNS_TOPPAR:PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : CNS_TOPPAR:ION.PARAM REMARK 3 PARAMETER FILE 3 : CNS_TOPPAR:WATER.PARAM REMARK 3 PARAMETER FILE 4 : DHP.PARAM REMARK 3 PARAMETER FILE 5 : 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 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2O3K COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-DEC-06. REMARK 100 THE DEPOSITION ID IS D_1000040642. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-DEC-05 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 : 5.0.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00000 REMARK 200 MONOCHROMATOR : SI 111 REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13334 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 7.200 REMARK 200 R MERGE (I) : 0.04200 REMARK 200 R SYM (I) : 0.03700 REMARK 200 FOR THE DATA SET : 8.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.38 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 7.30 REMARK 200 R MERGE FOR SHELL (I) : 0.08700 REMARK 200 R SYM FOR SHELL (I) : 0.07800 REMARK 200 FOR SHELL : 7.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: EPMR 2.5 REMARK 200 STARTING MODEL: PDB ENTRY 1YSB REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.75 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.01 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 23% PEG 8000, 0.1 M SODIUM CACODYLATE, REMARK 280 0.1 M CALCIUM ACETATE, PH 6.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 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 27.95800 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 37.08700 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 34.54500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 37.08700 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.95800 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 34.54500 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 3800 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11970 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -90.0 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 465 THR A 3 REMARK 465 GLY A 4 REMARK 465 GLY B 198 REMARK 465 SER B 199 REMARK 465 SER B 200 REMARK 465 MET B 201 REMARK 465 VAL B 202 REMARK 465 THR B 203 REMARK 465 GLY B 204 REMARK 465 GLY B 205 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 OE1 GLN B 350 O HOH B 417 2.13 REMARK 500 REMARK 500 REMARK: NULL 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 LYS B 320 CB - CA - C ANGL. DEV. = -13.3 DEGREES 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 PRO A 32 72.36 -69.95 REMARK 500 ARG A 148 56.91 -140.46 REMARK 500 ALA B 207 94.29 172.92 REMARK 500 PRO B 232 67.12 -68.60 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 105.1 REMARK 620 3 CYS A 94 SG 114.7 117.3 REMARK 620 4 HPY A 411 O4 110.5 109.4 99.8 REMARK 620 N 1 2 3 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 A 423 O 83.7 REMARK 620 3 HOH A 435 O 70.3 83.6 REMARK 620 4 GLU B 275 OE1 152.1 79.3 85.8 REMARK 620 5 GLU B 275 OE2 149.1 77.9 130.9 46.3 REMARK 620 N 1 2 3 4 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 101.4 REMARK 620 3 CYS B 294 SG 113.3 119.9 REMARK 620 4 HPY B 410 O4 115.0 106.5 101.2 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 403 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HPY B 410 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HPY A 411 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1YSB RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF YEAST CYTOSINE DEAMINASE TRIPLE MUTANT (A23L, REMARK 900 V108I,I140L) DBREF 2O3K A 1 158 UNP Q12178 FCY1_YEAST 1 158 DBREF 2O3K B 201 358 UNP Q12178 FCY1_YEAST 1 158 SEQADV 2O3K GLY A -2 UNP Q12178 EXPRESSION TAG SEQADV 2O3K SER A -1 UNP Q12178 EXPRESSION TAG SEQADV 2O3K SER A 0 UNP Q12178 EXPRESSION TAG SEQADV 2O3K LEU A 23 UNP Q12178 ALA 23 ENGINEERED MUTATION SEQADV 2O3K GLU A 92 UNP Q12178 ASP 92 ENGINEERED MUTATION SEQADV 2O3K ILE A 108 UNP Q12178 VAL 108 ENGINEERED MUTATION SEQADV 2O3K LEU A 140 UNP Q12178 ILE 140 ENGINEERED MUTATION SEQADV 2O3K GLY B 198 UNP Q12178 EXPRESSION TAG SEQADV 2O3K SER B 199 UNP Q12178 EXPRESSION TAG SEQADV 2O3K SER B 200 UNP Q12178 EXPRESSION TAG SEQADV 2O3K LEU B 223 UNP Q12178 ALA 23 ENGINEERED MUTATION SEQADV 2O3K GLU B 292 UNP Q12178 ASP 92 ENGINEERED MUTATION SEQADV 2O3K ILE B 308 UNP Q12178 VAL 108 ENGINEERED MUTATION SEQADV 2O3K LEU B 340 UNP Q12178 ILE 140 ENGINEERED MUTATION 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 LEU 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 GLU MET CYS THR GLY ALA ILE ILE MET TYR SEQRES 9 A 161 GLY ILE PRO ARG CYS VAL ILE 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 LEU 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 LEU 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 GLU MET CYS THR GLY ALA ILE ILE MET TYR SEQRES 9 B 161 GLY ILE PRO ARG CYS VAL ILE 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 LEU 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 ZN B 400 1 HET CA B 403 1 HET HPY B 410 8 HETNAM ZN ZINC ION HETNAM HPY 4-HYDROXY-3,4-DIHYDRO-1H-PYRIMIDIN-2-ONE HETNAM CA CALCIUM ION FORMUL 3 ZN 2(ZN 2+) FORMUL 4 HPY 2(C4 H6 N2 O2) FORMUL 6 CA CA 2+ FORMUL 8 HOH *133(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 1 6 HELIX 13 13 CYS B 291 TYR B 301 1 11 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 LEU A 37 O GLY A 47 SHEET 3 A 5 THR A 82 THR A 86 -1 O TYR A 85 N CYS A 36 SHEET 4 A 5 ARG A 105 ILE A 108 1 O ARG A 105 N LEU A 84 SHEET 5 A 5 GLU A 128 VAL A 131 1 O VAL A 130 N ILE 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 ILE B 308 LINK ND1 HIS A 62 ZN ZN A 401 1555 1555 2.20 LINK SG CYS A 91 ZN ZN A 401 1555 1555 2.39 LINK SG CYS A 94 ZN ZN A 401 1555 1555 2.41 LINK OE1 GLN A 150 CA CA B 403 1555 1555 2.62 LINK ZN ZN A 401 O4 HPY A 411 1555 1555 2.26 LINK O HOH A 423 CA CA B 403 1555 1555 2.97 LINK O HOH A 435 CA CA B 403 1555 1555 2.92 LINK ND1 HIS B 262 ZN ZN B 400 1555 1555 2.22 LINK OE1 GLU B 275 CA CA B 403 1555 1555 2.75 LINK OE2 GLU B 275 CA CA B 403 1555 1555 2.85 LINK SG CYS B 291 ZN ZN B 400 1555 1555 2.41 LINK SG CYS B 294 ZN ZN B 400 1555 1555 2.40 LINK ZN ZN B 400 O4 HPY B 410 1555 1555 2.17 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 5 GLU A 128 GLN A 150 HOH A 423 HOH A 435 SITE 2 AC3 5 GLU B 275 SITE 1 AC4 9 ILE B 233 ASN B 251 HIS B 262 GLY B 263 SITE 2 AC4 9 GLU B 264 CYS B 291 CYS B 294 ASP B 355 SITE 3 AC4 9 ZN B 400 SITE 1 AC5 10 ILE A 33 ASN A 51 HIS A 62 GLY A 63 SITE 2 AC5 10 GLU A 64 PRO A 90 CYS A 91 CYS A 94 SITE 3 AC5 10 ASP A 155 ZN A 401 CRYST1 55.916 69.090 74.174 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 0.017884 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014474 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013482 0.00000