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 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 1.0 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) : 1.40 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.00 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) : 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 RCSB ID CODE IS RCSB014639. 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 : 12.700 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 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 907 DISTANCE = 5.75 ANGSTROMS 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 REMARK 900 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 FE FE A 502 NE2 HIS A 61 1555 1555 2.10 LINK FE FE A 502 NE2 HIS A 63 1555 1555 2.10 LINK FE FE A 502 NE2 HIS A 214 1555 1555 2.36 LINK FE FE A 502 OD2 ASP A 313 1555 1555 2.48 LINK FE FE A 502 O4 HPY A 501 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 MASTER 414 0 2 17 18 0 5 6 0 0 0 33 END