HEADER DNA 16-FEB-01 1I3T TITLE MOLECULAR AND CRYSTAL STRUCTURE OF D(CGCGAATT(MO4)CGCG): THE WATSON- TITLE 2 CRICK TYPE AND WOBBLE N4-METHOXYCYTIDINE/GUANOSINE BASE PAIRS IN B- TITLE 3 DNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-D(*CP*GP*CP*GP*AP*AP*TP*TP*(C45)P*GP*CP*GP)-3'; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES KEYWDS N4-METHOXYCYTOSINE, DAMAGED DNA, B-DNA, DOUBLE HELIX, KEYWDS 2 DEOXYRIBONUCLEIC ACID, DNA EXPDTA X-RAY DIFFRACTION AUTHOR M.T.HOSSAIN,T.HIKIMA,T.CHATAKE,T.MASARU,T.SUNAMI,Y.UENO,A.MATSUDA, AUTHOR 2 A.TAKENAKA REVDAT 4 09-AUG-23 1I3T 1 REMARK LINK REVDAT 3 24-FEB-09 1I3T 1 VERSN REVDAT 2 01-APR-03 1I3T 1 JRNL REVDAT 1 14-SEP-01 1I3T 0 JRNL AUTH M.T.HOSSAIN,T.CHATAKE,T.HIKIMA,M.TSUNODA,T.SUNAMI,Y.UENO, JRNL AUTH 2 A.MATSUDA,A.TAKENAKA JRNL TITL CRYSTALLOGRAPHIC STUDIES ON DAMAGED DNAS: III. JRNL TITL 2 N(4)-METHOXYCYTOSINE CAN FORM BOTH WATSON-CRICK TYPE AND JRNL TITL 3 WOBBLED BASE PAIRS IN A B-FORM DUPLEX. JRNL REF J.BIOCHEM.(TOKYO) V. 130 9 2001 JRNL REFN ISSN 0021-924X JRNL PMID 11432773 REMARK 2 REMARK 2 RESOLUTION. 1.60 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 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) (%) : 97.6 REMARK 3 NUMBER OF REFLECTIONS : 8895 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) : 0.224 REMARK 3 FREE R VALUE : 0.256 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.500 REMARK 3 FREE R VALUE TEST SET COUNT : 936 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.008 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.66 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 93.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 759 REMARK 3 BIN R VALUE (WORKING SET) : 0.3760 REMARK 3 BIN FREE R VALUE : 0.4290 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 8.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 74 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.050 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 490 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 110 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 13.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.96000 REMARK 3 B22 (A**2) : -0.72000 REMARK 3 B33 (A**2) : -1.24000 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) : 0.22 REMARK 3 ESD FROM SIGMAA (A) : 0.25 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) : 0.26 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.31 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 0.900 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.410 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) : 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 : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1I3T COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-FEB-01. REMARK 100 THE DEPOSITION ID IS D_1000012868. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-APR-99; 03-DEC-00 REMARK 200 TEMPERATURE (KELVIN) : 100; 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY; PHOTON FACTORY REMARK 200 BEAMLINE : BL-18B; BL-6B REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; NULL REMARK 200 WAVELENGTH OR RANGE (A) : 1.0; 1.0 REMARK 200 MONOCHROMATOR : NULL; NULL REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : DIFFRACTOMETER; DIFFRACTOMETER REMARK 200 DETECTOR MANUFACTURER : WEISSENBERG; WEISSENBERG REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9068 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.6 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.08000 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) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.66 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.9 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 355D REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.65 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.14 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MPD, MAGNESIUM ACETATE, SPERMINE, REMARK 280 SODIUM CACODYLATE. PH 7.0, VAPOR DIFFUSION, HANGING DROP AT 277 K 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 12.59100 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 31.86550 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 20.43850 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 31.86550 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 12.59100 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 20.43850 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 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 DT B 20 0.07 SIDE CHAIN 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 MG A 105 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 106 O REMARK 620 2 HOH A 107 O 90.3 REMARK 620 3 HOH A 108 O 90.7 90.4 REMARK 620 4 HOH B 106 O 179.0 90.5 89.8 REMARK 620 5 HOH B 107 O 89.6 179.9 89.5 89.6 REMARK 620 6 HOH B 108 O 90.4 90.2 178.7 89.1 89.9 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 105 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: BD0049 RELATED DB: NDB DBREF 1I3T A 1 12 PDB 1I3T 1I3T 1 12 DBREF 1I3T B 13 24 PDB 1I3T 1I3T 13 24 SEQRES 1 A 12 DC DG DC DG DA DA DT DT C45 DG DC DG SEQRES 1 B 12 DC DG DC DG DA DA DT DT C45 DG DC DG MODRES 1I3T C45 A 9 DC MODRES 1I3T C45 B 21 DC HET C45 A 9 21 HET C45 B 21 21 HET MG A 105 1 HETNAM C45 N4-METHOXY-2'-DEOXY-CYTIDINE-5'-MONOPHOSPHATE HETNAM MG MAGNESIUM ION FORMUL 1 C45 2(C10 H16 N3 O8 P) FORMUL 3 MG MG 2+ FORMUL 4 HOH *110(H2 O) LINK O3' DT A 8 P C45 A 9 1555 1555 1.61 LINK O3' C45 A 9 P DG A 10 1555 1555 1.61 LINK O3' DT B 20 P C45 B 21 1555 1555 1.60 LINK O3' C45 B 21 P DG B 22 1555 1555 1.61 LINK MG MG A 105 O HOH A 106 1555 1555 2.08 LINK MG MG A 105 O HOH A 107 1555 1555 2.06 LINK MG MG A 105 O HOH A 108 1555 1555 2.06 LINK MG MG A 105 O HOH B 106 1555 1555 2.08 LINK MG MG A 105 O HOH B 107 1555 1555 2.06 LINK MG MG A 105 O HOH B 108 1555 1555 2.06 SITE 1 AC1 6 HOH A 106 HOH A 107 HOH A 108 HOH B 106 SITE 2 AC1 6 HOH B 107 HOH B 108 CRYST1 25.182 40.877 63.731 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 0.039711 0.000000 0.000000 0.00000 SCALE2 0.000000 0.024464 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015691 0.00000