HEADER DNA 17-OCT-92 1DA2 TITLE MOLECULAR AND CRYSTAL STRUCTURE OF D(CGCGMO4CG): N4- TITLE 2 METHOXYCYTOSINE/GUANINE BASE-PAIRS IN Z-DNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'-D(*CP*GP*CP*GP*(C45)P*G)-3'); COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES KEYWDS Z-DNA, DOUBLE HELIX, MODIFIED, DNA EXPDTA X-RAY DIFFRACTION AUTHOR L.VAN MEERVELT,M.H.MOORE,P.K.T.LIN,D.M.BROWN,O.KENNARD REVDAT 4 07-FEB-24 1DA2 1 LINK REVDAT 3 24-FEB-09 1DA2 1 VERSN REVDAT 2 01-APR-03 1DA2 1 JRNL REVDAT 1 15-JUL-93 1DA2 0 JRNL AUTH L.VAN MEERVELT,M.H.MOORE,P.K.LIN,D.M.BROWN,O.KENNARD JRNL TITL MOLECULAR AND CRYSTAL STRUCTURE OF D(CGCGMO4CG): JRNL TITL 2 N4-METHOXYCYTOSINE.GUANINE BASE-PAIRS IN Z-DNA. JRNL REF J.MOL.BIOL. V. 216 773 1990 JRNL REFN ISSN 0022-2836 JRNL PMID 2258939 JRNL DOI 10.1016/0022-2836(90)90398-6 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NUCLSQ REMARK 3 AUTHORS : WESTHOF,DUMAS,MORAS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 2559 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.181 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 244 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 67 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 SUGAR-BASE BOND DISTANCE (A) : NULL ; NULL REMARK 3 SUGAR-BASE BOND ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 PHOSPHATE BONDS DISTANCE (A) : NULL ; NULL REMARK 3 PHOSPHATE BOND ANGLE, H-BOND (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION CONTACT (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION CONTACT (A) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 SUGAR-BASE BONDS (A**2) : NULL ; NULL REMARK 3 SUGAR-BASE ANGLES (A**2) : NULL ; NULL REMARK 3 PHOSPHATE BONDS (A**2) : NULL ; NULL REMARK 3 PHOSPHATE BOND ANGLE, H-BOND (A**2) : NULL ; NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1DA2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY NDB. REMARK 100 THE DEPOSITION ID IS D_1000172697. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 277.00 REMARK 200 PH : 6.50 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : DIFFRACTOMETER REMARK 200 DETECTOR MANUFACTURER : SYNTEX P21 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 2944 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL 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) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 25.28 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.65 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.50, VAPOR DIFFUSION 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 9.08500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 21.96500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 15.18000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 21.96500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 9.08500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 15.18000 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: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 DC A 1 O3' DG A 2 P 0.151 REMARK 500 DG A 2 P DG A 2 O5' 0.158 REMARK 500 DG A 2 O5' DG A 2 C5' -0.193 REMARK 500 DG A 2 C4' DG A 2 C3' 0.129 REMARK 500 DG A 2 C3' DG A 2 C2' -0.065 REMARK 500 DG A 2 C2' DG A 2 C1' -0.097 REMARK 500 DG A 2 O4' DG A 2 C1' 0.126 REMARK 500 DG A 2 O4' DG A 2 C4' -0.178 REMARK 500 DG A 2 O3' DG A 2 C3' -0.040 REMARK 500 DG A 2 N1 DG A 2 C2 0.069 REMARK 500 DG A 2 N3 DG A 2 C4 0.064 REMARK 500 DG A 2 C6 DG A 2 N1 -0.047 REMARK 500 DG A 2 C8 DG A 2 N9 0.053 REMARK 500 DC A 3 P DC A 3 OP1 0.143 REMARK 500 DC A 3 C5' DC A 3 C4' 0.092 REMARK 500 DC A 3 C2 DC A 3 N3 0.054 REMARK 500 DC A 3 C4 DC A 3 C5 -0.063 REMARK 500 DG A 4 P DG A 4 OP2 0.109 REMARK 500 DG A 4 P DG A 4 O5' 0.064 REMARK 500 DG A 4 C5' DG A 4 C4' 0.056 REMARK 500 DG A 4 C4' DG A 4 C3' 0.071 REMARK 500 DG A 4 O4' DG A 4 C1' 0.108 REMARK 500 DG A 4 O4' DG A 4 C4' -0.065 REMARK 500 DG A 4 O3' DG A 4 C3' -0.049 REMARK 500 DG A 4 C2 DG A 4 N3 0.054 REMARK 500 DG A 4 N3 DG A 4 C4 0.076 REMARK 500 DG A 4 C4 DG A 4 C5 0.060 REMARK 500 DG A 4 C6 DG A 4 N1 0.046 REMARK 500 DG A 4 C8 DG A 4 N9 -0.088 REMARK 500 DG A 4 N9 DG A 4 C4 0.055 REMARK 500 DG A 4 C6 DG A 4 O6 -0.088 REMARK 500 DG A 6 O5' DG A 6 C5' 0.108 REMARK 500 DG A 6 C5' DG A 6 C4' -0.105 REMARK 500 DG A 6 C3' DG A 6 C2' 0.103 REMARK 500 DG A 6 O4' DG A 6 C1' 0.070 REMARK 500 DG A 6 C4 DG A 6 C5 -0.045 REMARK 500 DG A 6 C8 DG A 6 N9 -0.052 REMARK 500 DG A 6 N9 DG A 6 C4 0.078 REMARK 500 DC B 7 C5' DC B 7 C4' 0.066 REMARK 500 DC B 7 C3' DC B 7 C2' -0.049 REMARK 500 DC B 7 O4' DC B 7 C1' -0.089 REMARK 500 DC B 7 O4' DC B 7 C4' -0.119 REMARK 500 DC B 7 O3' DC B 7 C3' 0.080 REMARK 500 DC B 7 C2 DC B 7 O2 0.123 REMARK 500 DC B 7 C4 DC B 7 N4 -0.092 REMARK 500 DC B 7 N1 DC B 7 C6 -0.048 REMARK 500 DC B 7 O3' DG B 8 P 0.191 REMARK 500 DG B 8 P DG B 8 OP1 0.119 REMARK 500 DG B 8 O4' DG B 8 C1' 0.090 REMARK 500 DG B 8 O4' DG B 8 C4' -0.061 REMARK 500 REMARK 500 THIS ENTRY HAS 78 BOND DEVIATIONS. 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 DC A 1 O5' - C5' - C4' ANGL. DEV. = -13.5 DEGREES REMARK 500 DC A 1 C3' - C2' - C1' ANGL. DEV. = -4.8 DEGREES REMARK 500 DC A 1 O4' - C1' - C2' ANGL. DEV. = 5.3 DEGREES REMARK 500 DC A 1 N1 - C1' - C2' ANGL. DEV. = -14.0 DEGREES REMARK 500 DC A 1 O4' - C1' - N1 ANGL. DEV. = 9.4 DEGREES REMARK 500 DC A 1 N3 - C4 - N4 ANGL. DEV. = -6.5 DEGREES REMARK 500 DC A 1 C5 - C4 - N4 ANGL. DEV. = 7.3 DEGREES REMARK 500 DC A 1 C3' - O3' - P ANGL. DEV. = 10.2 DEGREES REMARK 500 DG A 2 O5' - C5' - C4' ANGL. DEV. = -7.0 DEGREES REMARK 500 DG A 2 P - O5' - C5' ANGL. DEV. = 19.1 DEGREES REMARK 500 DG A 2 C5' - C4' - C3' ANGL. DEV. = -11.2 DEGREES REMARK 500 DG A 2 C5' - C4' - O4' ANGL. DEV. = 7.8 DEGREES REMARK 500 DG A 2 O4' - C1' - N9 ANGL. DEV. = -7.9 DEGREES REMARK 500 DG A 2 C4 - C5 - N7 ANGL. DEV. = -3.5 DEGREES REMARK 500 DG A 2 C5 - N7 - C8 ANGL. DEV. = 3.9 DEGREES REMARK 500 DG A 2 C8 - N9 - C4 ANGL. DEV. = -3.2 DEGREES REMARK 500 DG A 2 N9 - C4 - C5 ANGL. DEV. = 3.5 DEGREES REMARK 500 DG A 2 C3' - O3' - P ANGL. DEV. = 17.0 DEGREES REMARK 500 DC A 3 OP1 - P - OP2 ANGL. DEV. = -12.2 DEGREES REMARK 500 DC A 3 O5' - C5' - C4' ANGL. DEV. = -6.3 DEGREES REMARK 500 DC A 3 C4' - C3' - C2' ANGL. DEV. = 7.3 DEGREES REMARK 500 DC A 3 C3' - C2' - C1' ANGL. DEV. = -10.5 DEGREES REMARK 500 DC A 3 O4' - C1' - C2' ANGL. DEV. = 5.3 DEGREES REMARK 500 DC A 3 C6 - N1 - C2 ANGL. DEV. = 2.5 DEGREES REMARK 500 DC A 3 N3 - C4 - C5 ANGL. DEV. = 3.9 DEGREES REMARK 500 DG A 4 O5' - C5' - C4' ANGL. DEV. = -14.4 DEGREES REMARK 500 DG A 4 O4' - C4' - C3' ANGL. DEV. = 6.1 DEGREES REMARK 500 DG A 4 O4' - C1' - C2' ANGL. DEV. = 4.5 DEGREES REMARK 500 DG A 4 O4' - C1' - N9 ANGL. DEV. = 3.8 DEGREES REMARK 500 DG A 4 N1 - C2 - N3 ANGL. DEV. = 3.8 DEGREES REMARK 500 DG A 4 C4 - C5 - N7 ANGL. DEV. = -3.5 DEGREES REMARK 500 DG A 4 N7 - C8 - N9 ANGL. DEV. = 3.0 DEGREES REMARK 500 DG A 4 C6 - C5 - N7 ANGL. DEV. = 4.3 DEGREES REMARK 500 DG A 4 N3 - C2 - N2 ANGL. DEV. = -4.8 DEGREES REMARK 500 C45 A 5 C3' - O3' - P ANGL. DEV. = 7.3 DEGREES REMARK 500 DG A 6 O5' - C5' - C4' ANGL. DEV. = -7.3 DEGREES REMARK 500 DG A 6 C1' - O4' - C4' ANGL. DEV. = -6.3 DEGREES REMARK 500 DG A 6 C3' - C2' - C1' ANGL. DEV. = -11.1 DEGREES REMARK 500 DG A 6 O4' - C1' - C2' ANGL. DEV. = 3.9 DEGREES REMARK 500 DG A 6 O4' - C1' - N9 ANGL. DEV. = -4.8 DEGREES REMARK 500 DG A 6 C2 - N3 - C4 ANGL. DEV. = -3.4 DEGREES REMARK 500 DG A 6 C4 - C5 - N7 ANGL. DEV. = -2.5 DEGREES REMARK 500 DG A 6 N3 - C2 - N2 ANGL. DEV. = -4.7 DEGREES REMARK 500 DC B 7 O4' - C4' - C3' ANGL. DEV. = -4.0 DEGREES REMARK 500 DC B 7 C3' - C2' - C1' ANGL. DEV. = -6.3 DEGREES REMARK 500 DC B 7 N3 - C4 - C5 ANGL. DEV. = -2.6 DEGREES REMARK 500 DC B 7 C5 - C4 - N4 ANGL. DEV. = 5.2 DEGREES REMARK 500 DC B 7 C2 - N1 - C1' ANGL. DEV. = -6.7 DEGREES REMARK 500 DC B 7 C3' - O3' - P ANGL. DEV. = -9.8 DEGREES REMARK 500 DG B 8 O5' - P - OP2 ANGL. DEV. = 11.8 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 86 ANGLE DEVIATIONS. REMARK 500 REMARK 500 REMARK: NULL DBREF 1DA2 A 1 6 PDB 1DA2 1DA2 1 6 DBREF 1DA2 B 7 12 PDB 1DA2 1DA2 7 12 SEQRES 1 A 6 DC DG DC DG C45 DG SEQRES 1 B 6 DC DG DC DG C45 DG MODRES 1DA2 C45 A 5 DC MODRES 1DA2 C45 B 11 DC HET C45 A 5 21 HET C45 B 11 21 HETNAM C45 N4-METHOXY-2'-DEOXY-CYTIDINE-5'-MONOPHOSPHATE FORMUL 1 C45 2(C10 H16 N3 O8 P) FORMUL 3 HOH *67(H2 O) LINK O3' DG A 4 P C45 A 5 1555 1555 1.58 LINK O3' C45 A 5 P DG A 6 1555 1555 1.55 LINK O3' DG B 10 P C45 B 11 1555 1555 1.64 LINK O3' C45 B 11 P DG B 12 1555 1555 1.60 CRYST1 18.170 30.360 43.930 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 0.055036 0.000000 0.000000 0.00000 SCALE2 0.000000 0.032938 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022763 0.00000