HEADER HYDROLASE 17-OCT-01 1K70 TITLE THE STRUCTURE OF ESCHERICHIA COLI CYTOSINE DEAMINASE BOUND TO 4- TITLE 2 HYDROXY-3,4-DIHYDRO-1H-PYRIMIDIN-2-ONE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOSINE DEAMINASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.5.4.1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET15B KEYWDS CYTOSINE DEAMINASE, ALPHA-BETA BARREL, HEXAMER, CONFORMATIONAL KEYWDS 2 CHANGE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR G.C.IRETON,G.MCDERMOTT,M.E.BLACK,B.L.STODDARD REVDAT 4 07-FEB-24 1K70 1 REMARK LINK ATOM REVDAT 3 13-JUL-11 1K70 1 VERSN REVDAT 2 24-FEB-09 1K70 1 VERSN REVDAT 1 06-FEB-02 1K70 0 JRNL AUTH G.C.IRETON,G.MCDERMOTT,M.E.BLACK,B.L.STODDARD JRNL TITL THE STRUCTURE OF ESCHERICHIA COLI CYTOSINE DEAMINASE. JRNL REF J.MOL.BIOL. V. 315 687 2002 JRNL REFN ISSN 0022-2836 JRNL PMID 11812140 JRNL DOI 10.1006/JMBI.2001.5277 REMARK 2 REMARK 2 RESOLUTION. 1.80 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.97 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 710238.170 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.7 REMARK 3 NUMBER OF REFLECTIONS : 50003 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) : 0.176 REMARK 3 FREE R VALUE : 0.201 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2501 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 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) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.91 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 88.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 7137 REMARK 3 BIN R VALUE (WORKING SET) : 0.2730 REMARK 3 BIN FREE R VALUE : 0.2950 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 387 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.015 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3325 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 9 REMARK 3 SOLVENT ATOMS : 367 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.36000 REMARK 3 B22 (A**2) : -0.36000 REMARK 3 B33 (A**2) : 0.73000 REMARK 3 B12 (A**2) : 0.25000 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) : 0.17 REMARK 3 ESD FROM SIGMAA (A) : 0.10 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) : 0.21 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.14 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.840 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) : 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 : FLAT MODEL REMARK 3 KSOL : 0.40 REMARK 3 BSOL : 57.04 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_REP.PARAM REMARK 3 PARAMETER FILE 4 : 2HYDROXYP.PARAM 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 : 2HYDROXYP.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1K70 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-OCT-01. REMARK 100 THE DEPOSITION ID IS D_1000014639. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-APR-01 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : YALE MIRRORS REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 50003 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 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 (%) : 99.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.04700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.17400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 12.70 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD 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 (%): 57.84 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.92 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, MAGNESIUM CHLORIDE, HEPES, REMARK 280 PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-Z REMARK 290 7555 X+2/3,Y+1/3,Z+1/3 REMARK 290 8555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 9555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 10555 Y+2/3,X+1/3,-Z+1/3 REMARK 290 11555 X-Y+2/3,-Y+1/3,-Z+1/3 REMARK 290 12555 -X+2/3,-X+Y+1/3,-Z+1/3 REMARK 290 13555 X+1/3,Y+2/3,Z+2/3 REMARK 290 14555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 15555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 16555 Y+1/3,X+2/3,-Z+2/3 REMARK 290 17555 X-Y+1/3,-Y+2/3,-Z+2/3 REMARK 290 18555 -X+1/3,-X+Y+2/3,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 54.75000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 31.60993 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 80.13333 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 54.75000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 31.60993 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 80.13333 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 54.75000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 31.60993 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 80.13333 REMARK 290 SMTRY1 10 -0.500000 0.866025 0.000000 54.75000 REMARK 290 SMTRY2 10 0.866025 0.500000 0.000000 31.60993 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 80.13333 REMARK 290 SMTRY1 11 1.000000 0.000000 0.000000 54.75000 REMARK 290 SMTRY2 11 0.000000 -1.000000 0.000000 31.60993 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 80.13333 REMARK 290 SMTRY1 12 -0.500000 -0.866025 0.000000 54.75000 REMARK 290 SMTRY2 12 -0.866025 0.500000 0.000000 31.60993 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 80.13333 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 63.21985 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 160.26667 REMARK 290 SMTRY1 14 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 14 0.866025 -0.500000 0.000000 63.21985 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 160.26667 REMARK 290 SMTRY1 15 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 15 -0.866025 -0.500000 0.000000 63.21985 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 160.26667 REMARK 290 SMTRY1 16 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 16 0.866025 0.500000 0.000000 63.21985 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 160.26667 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 17 0.000000 -1.000000 0.000000 63.21985 REMARK 290 SMTRY3 17 0.000000 0.000000 -1.000000 160.26667 REMARK 290 SMTRY1 18 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 18 -0.866025 0.500000 0.000000 63.21985 REMARK 290 SMTRY3 18 0.000000 0.000000 -1.000000 160.26667 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 300 REMARK: HE BIOLOGICAL ASSEMBLY IS A HEXAMER OF THREE DOMAIN SWAPPED REMARK 300 DIMERS GENERATED FORM THE MONOMER IN THE ASYMMETRIC UNIT BY THE REMARK 300 OPERATIONS:-Y,X-Y,Z;Y-X,-X,Z; Y,X,-Z;X-Y,-Y,-Z AND -X,Y-X,Z. 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: HEXAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 30900 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 77040 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -193.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 4 0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 4 0.000000 0.000000 -1.000000 240.40000 REMARK 350 BIOMT1 5 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 5 0.000000 0.000000 -1.000000 240.40000 REMARK 350 BIOMT1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 6 0.000000 0.000000 -1.000000 240.40000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 922 LIES ON A SPECIAL POSITION. 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 SER A 1 REMARK 465 ASN A 2 REMARK 465 ASN A 3 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 788 O HOH A 966 2.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 951 O HOH A 951 17555 0.92 REMARK 500 O HOH A 927 O HOH A 927 17555 0.98 REMARK 500 O HOH A 917 O HOH A 917 4556 1.00 REMARK 500 O HOH A 935 O HOH A 935 4556 1.15 REMARK 500 O HOH A 952 O HOH A 952 17555 1.52 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 ASP A 127 110.81 -163.62 REMARK 500 ILE A 183 67.78 -154.64 REMARK 500 HIS A 246 -74.97 74.82 REMARK 500 THR A 288 -90.81 -102.72 REMARK 500 ASP A 313 -64.15 72.48 REMARK 500 TYR A 320 112.32 -165.65 REMARK 500 LEU A 322 -164.07 -118.62 REMARK 500 LEU A 340 66.47 -102.37 REMARK 500 THR A 354 -97.31 -130.20 REMARK 500 LEU A 416 -138.28 -95.58 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 FE A 502 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 61 NE2 REMARK 620 2 HIS A 63 NE2 108.3 REMARK 620 3 HIS A 214 NE2 95.4 95.4 REMARK 620 4 ASP A 313 OD2 85.3 90.6 173.3 REMARK 620 5 HPY A 501 O4 129.7 120.0 93.2 81.3 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HPY A 501 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1K6W RELATED DB: PDB REMARK 900 1K6W IS THE STRUCTURE OF ESCHERICHIA COLI CYTOSINE DEAMINASE. DBREF 1K70 A 1 426 UNP P25524 CODA_ECOLI 1 426 SEQRES 1 A 426 SER ASN ASN ALA LEU GLN THR ILE ILE ASN ALA ARG LEU SEQRES 2 A 426 PRO GLY GLU GLU GLY LEU TRP GLN ILE HIS LEU GLN ASP SEQRES 3 A 426 GLY LYS ILE SER ALA ILE ASP ALA GLN SER GLY VAL MET SEQRES 4 A 426 PRO ILE THR GLU ASN SER LEU ASP ALA GLU GLN GLY LEU SEQRES 5 A 426 VAL ILE PRO PRO PHE VAL GLU PRO HIS ILE HIS LEU ASP SEQRES 6 A 426 THR THR GLN THR ALA GLY GLN PRO ASN TRP ASN GLN SER SEQRES 7 A 426 GLY THR LEU PHE GLU GLY ILE GLU ARG TRP ALA GLU ARG SEQRES 8 A 426 LYS ALA LEU LEU THR HIS ASP ASP VAL LYS GLN ARG ALA SEQRES 9 A 426 TRP GLN THR LEU LYS TRP GLN ILE ALA ASN GLY ILE GLN SEQRES 10 A 426 HIS VAL ARG THR HIS VAL ASP VAL SER ASP ALA THR LEU SEQRES 11 A 426 THR ALA LEU LYS ALA MET LEU GLU VAL LYS GLN GLU VAL SEQRES 12 A 426 ALA PRO TRP ILE ASP LEU GLN ILE VAL ALA PHE PRO GLN SEQRES 13 A 426 GLU GLY ILE LEU SER TYR PRO ASN GLY GLU ALA LEU LEU SEQRES 14 A 426 GLU GLU ALA LEU ARG LEU GLY ALA ASP VAL VAL GLY ALA SEQRES 15 A 426 ILE PRO HIS PHE GLU PHE THR ARG GLU TYR GLY VAL GLU SEQRES 16 A 426 SER LEU HIS LYS THR PHE ALA LEU ALA GLN LYS TYR ASP SEQRES 17 A 426 ARG LEU ILE ASP VAL HIS CYS ASP GLU ILE ASP ASP GLU SEQRES 18 A 426 GLN SER ARG PHE VAL GLU THR VAL ALA ALA LEU ALA HIS SEQRES 19 A 426 HIS GLU GLY MET GLY ALA ARG VAL THR ALA SER HIS THR SEQRES 20 A 426 THR ALA MET HIS SER TYR ASN GLY ALA TYR THR SER ARG SEQRES 21 A 426 LEU PHE ARG LEU LEU LYS MET SER GLY ILE ASN PHE VAL SEQRES 22 A 426 ALA ASN PRO LEU VAL ASN ILE HIS LEU GLN GLY ARG PHE SEQRES 23 A 426 ASP THR TYR PRO LYS ARG ARG GLY ILE THR ARG VAL LYS SEQRES 24 A 426 GLU MET LEU GLU SER GLY ILE ASN VAL CYS PHE GLY HIS SEQRES 25 A 426 ASP ASP VAL PHE ASP PRO TRP TYR PRO LEU GLY THR ALA SEQRES 26 A 426 ASN MET LEU GLN VAL LEU HIS MET GLY LEU HIS VAL CYS SEQRES 27 A 426 GLN LEU MET GLY TYR GLY GLN ILE ASN ASP GLY LEU ASN SEQRES 28 A 426 LEU ILE THR HIS HIS SER ALA ARG THR LEU ASN LEU GLN SEQRES 29 A 426 ASP TYR GLY ILE ALA ALA GLY ASN SER ALA ASN LEU ILE SEQRES 30 A 426 ILE LEU PRO ALA GLU ASN GLY PHE ASP ALA LEU ARG ARG SEQRES 31 A 426 GLN VAL PRO VAL ARG TYR SER VAL ARG GLY GLY LYS VAL SEQRES 32 A 426 ILE ALA SER THR GLN PRO ALA GLN THR THR VAL TYR LEU SEQRES 33 A 426 GLU GLN PRO GLU ALA ILE ASP TYR LYS ARG HET FE A 502 1 HET HPY A 501 8 HETNAM FE FE (III) ION HETNAM HPY 4-HYDROXY-3,4-DIHYDRO-1H-PYRIMIDIN-2-ONE FORMUL 2 FE FE 3+ FORMUL 3 HPY C4 H6 N2 O2 FORMUL 4 HOH *367(H2 O) HELIX 1 1 THR A 80 ALA A 93 1 14 HELIX 2 2 THR A 96 ASN A 114 1 19 HELIX 3 3 LEU A 130 ALA A 144 1 15 HELIX 4 4 ASN A 164 LEU A 175 1 12 HELIX 5 5 ILE A 183 GLU A 187 5 5 HELIX 6 6 THR A 189 ASP A 208 1 20 HELIX 7 7 ARG A 224 GLY A 237 1 14 HELIX 8 8 MET A 238 ALA A 240 5 3 HELIX 9 9 THR A 248 TYR A 253 5 6 HELIX 10 10 ASN A 254 GLY A 269 1 16 HELIX 11 11 ASN A 275 GLN A 283 1 9 HELIX 12 12 ARG A 297 GLY A 305 1 9 HELIX 13 13 ASN A 326 CYS A 338 1 13 HELIX 14 14 GLY A 342 ASP A 348 1 7 HELIX 15 15 GLY A 349 ILE A 353 5 5 HELIX 16 16 THR A 354 LEU A 361 1 8 HELIX 17 17 ASN A 383 GLN A 391 1 9 SHEET 1 A 4 LYS A 28 GLN A 35 0 SHEET 2 A 4 LEU A 19 GLN A 25 -1 N GLN A 21 O ASP A 33 SHEET 3 A 4 THR A 7 ALA A 11 -1 N ILE A 8 O ILE A 22 SHEET 4 A 4 SER A 45 ASP A 47 1 O LEU A 46 N THR A 7 SHEET 1 B 4 LEU A 52 ILE A 54 0 SHEET 2 B 4 LEU A 376 LEU A 379 -1 O ILE A 377 N ILE A 54 SHEET 3 B 4 TYR A 396 ARG A 399 -1 O VAL A 398 N LEU A 376 SHEET 4 B 4 LYS A 402 SER A 406 -1 O LYS A 402 N ARG A 399 SHEET 1 C 8 PHE A 57 ILE A 62 0 SHEET 2 C 8 ILE A 116 ASP A 124 1 O HIS A 118 N GLU A 59 SHEET 3 C 8 ASP A 148 PHE A 154 1 O GLN A 150 N VAL A 119 SHEET 4 C 8 VAL A 179 ALA A 182 1 O VAL A 179 N ALA A 153 SHEET 5 C 8 LEU A 210 CYS A 215 1 O HIS A 214 N ALA A 182 SHEET 6 C 8 VAL A 242 HIS A 246 1 O SER A 245 N VAL A 213 SHEET 7 C 8 ASN A 271 ALA A 274 1 O ASN A 271 N ALA A 244 SHEET 8 C 8 VAL A 308 PHE A 310 1 O CYS A 309 N ALA A 274 SHEET 1 D 2 THR A 412 TYR A 415 0 SHEET 2 D 2 PRO A 419 ILE A 422 -1 O GLU A 420 N VAL A 414 LINK NE2 HIS A 61 FE FE A 502 1555 1555 2.10 LINK NE2 HIS A 63 FE FE A 502 1555 1555 2.10 LINK NE2 HIS A 214 FE FE A 502 1555 1555 2.36 LINK OD2 ASP A 313 FE FE A 502 1555 1555 2.48 LINK O4 HPY A 501 FE FE A 502 1555 1555 2.10 CISPEP 1 GLN A 72 PRO A 73 0 -0.16 CISPEP 2 TYR A 289 PRO A 290 0 -0.02 SITE 1 AC1 5 HIS A 61 HIS A 63 HIS A 214 ASP A 313 SITE 2 AC1 5 HPY A 501 SITE 1 AC2 12 HIS A 63 LEU A 81 PHE A 154 GLN A 156 SITE 2 AC2 12 HIS A 214 GLU A 217 HIS A 246 ASP A 313 SITE 3 AC2 12 ASP A 314 TRP A 319 FE A 502 HOH A 665 CRYST1 109.500 109.500 240.400 90.00 90.00 120.00 H 3 2 18 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 0.009132 0.005273 0.000000 0.00000 SCALE2 0.000000 0.010545 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004160 0.00000