HEADER DNA 18-JAN-13 4ITD TITLE STRUCTURES OF DNA DUPLEXES CONTAINING O6-CARBOXYMETHYLGUANINE, A TITLE 2 LESION ASSOCIATED WITH GASTROINTESTINAL CANCER, REVEAL A MECHANISM TITLE 3 FOR INDUCING TRANSITION MUTATION COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'-D(*CP*GP*CP*GP*(C6G)P*AP*TP*TP*CP*GP*CP*G)-3'); COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES KEYWDS DAMAGED DNA, O6-CARBOXYMETHYLGUANINE, MUTAGENESIS, DNA EXPDTA X-RAY DIFFRACTION AUTHOR F.ZHANG,K.SUZUKI,M.TSUNODA,O.WILKINSON,C.L.MILLINGTON,D.M.WILLIAMS, AUTHOR 2 E.C.MORISHITA,A.TAKENAKA REVDAT 3 20-MAR-24 4ITD 1 REMARK LINK REVDAT 2 19-MAR-14 4ITD 1 JRNL REVDAT 1 08-MAY-13 4ITD 0 JRNL AUTH F.ZHANG,M.TSUNODA,K.SUZUKI,Y.KIKUCHI,O.WILKINSON, JRNL AUTH 2 C.L.MILLINGTON,G.P.MARGISON,D.M.WILLIAMS, JRNL AUTH 3 E.CZARINA MORISHITA,A.TAKENAKA JRNL TITL STRUCTURES OF DNA DUPLEXES CONTAINING JRNL TITL 2 O6-CARBOXYMETHYLGUANINE, A LESION ASSOCIATED WITH JRNL TITL 3 GASTROINTESTINAL CANCER, REVEAL A MECHANISM FOR INDUCING JRNL TITL 4 PYRIMIDINE TRANSITION MUTATIONS JRNL REF NUCLEIC ACIDS RES. V. 41 5524 2013 JRNL REFN ISSN 0305-1048 JRNL PMID 23580550 JRNL DOI 10.1093/NAR/GKT198 REMARK 2 REMARK 2 RESOLUTION. 1.94 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.94 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 34.41 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 72.5 REMARK 3 NUMBER OF REFLECTIONS : 3654 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 + TEST SET) : 0.228 REMARK 3 R VALUE (WORKING SET) : 0.226 REMARK 3 FREE R VALUE : 0.254 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 188 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.94 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.99 REMARK 3 REFLECTION IN BIN (WORKING SET) : 79 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 21.37 REMARK 3 BIN R VALUE (WORKING SET) : 0.5140 REMARK 3 BIN FREE R VALUE SET COUNT : 2 REMARK 3 BIN FREE R VALUE : 0.5570 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 496 REMARK 3 HETEROGEN ATOMS : 33 REMARK 3 SOLVENT ATOMS : 80 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 38.68 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.33000 REMARK 3 B22 (A**2) : -0.98000 REMARK 3 B33 (A**2) : -1.35000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.344 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.226 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.200 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 9.113 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.966 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.952 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 583 ; 0.023 ; 0.011 REMARK 3 BOND LENGTHS OTHERS (A): 292 ; 0.035 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 894 ; 2.168 ; 1.270 REMARK 3 BOND ANGLES OTHERS (DEGREES): 685 ; 4.873 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 74 ; 0.109 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 318 ; 0.019 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 134 ; 0.031 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 589 ; 4.181 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 894 ; 5.740 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 4ITD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 25-JAN-13. REMARK 100 THE DEPOSITION ID IS D_1000077184. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-MAR-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : BL-5A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 4877 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.940 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.0 REMARK 200 DATA REDUNDANCY : 5.700 REMARK 200 R MERGE (I) : 0.05700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.94 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 33.7 REMARK 200 DATA REDUNDANCY IN SHELL : 1.40 REMARK 200 R MERGE FOR SHELL (I) : 0.95100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT 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 (%): 44.67 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.22 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10%(V/V)MPD, 12MM SPERMINE 4HCL, 80MM REMARK 280 NACL, 12MM KCL, 20MM MGCL2, 40MM NA CACODYLATE(PH7.0), 1MM REMARK 280 HOECHST 33258, 1MM DNA, 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 12.52550 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 32.83350 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 20.20200 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 32.83350 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 12.52550 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 20.20200 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 REMARK 350 TOTAL BURIED SURFACE AREA: 1330 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 5200 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -11.0 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 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 211 O HOH A 228 1.67 REMARK 500 O HOH A 236 O HOH A 239 1.76 REMARK 500 O C6G B 17 O HOH B 225 2.12 REMARK 500 O HOH A 205 O HOH A 206 2.12 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 217 O HOH B 230 2455 2.19 REMARK 500 REMARK 500 REMARK: NULL 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 DG A 2 O3' DC A 3 P -0.106 REMARK 500 DC A 3 O3' DG A 4 P -0.082 REMARK 500 DG A 4 O3' C6G A 5 P -0.081 REMARK 500 C6G A 5 O3' DA A 6 P -0.086 REMARK 500 DA A 6 O3' DT A 7 P -0.108 REMARK 500 DT A 7 O3' DT A 8 P -0.126 REMARK 500 DT A 8 O3' DC A 9 P -0.093 REMARK 500 DG A 10 O3' DC A 11 P -0.084 REMARK 500 DG B 16 O3' C6G B 17 P -0.122 REMARK 500 DT B 19 O3' DT B 20 P -0.077 REMARK 500 DT B 20 O3' DC B 21 P -0.090 REMARK 500 DC B 21 O3' DG B 22 P -0.102 REMARK 500 DG B 22 O3' DC B 23 P -0.080 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 DA A 6 O5' - P - OP1 ANGL. DEV. = -5.4 DEGREES REMARK 500 DT A 8 O5' - P - OP2 ANGL. DEV. = -9.2 DEGREES REMARK 500 DT B 19 O5' - P - OP1 ANGL. DEV. = -8.2 DEGREES REMARK 500 DG B 22 C3' - C2' - C1' ANGL. DEV. = -4.8 DEGREES REMARK 500 DC B 23 O5' - P - OP1 ANGL. DEV. = -6.7 DEGREES 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 101 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 203 O REMARK 620 2 HOH A 231 O 81.6 REMARK 620 3 HOH A 232 O 91.9 173.0 REMARK 620 4 HOH A 233 O 97.0 97.3 80.7 REMARK 620 5 HOH A 234 O 174.6 103.5 83.0 83.9 REMARK 620 6 HOH B 238 O 93.3 84.1 99.1 169.7 85.9 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 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HT A 102 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4IJ0 RELATED DB: PDB DBREF 4ITD A 1 12 PDB 4ITD 4ITD 1 12 DBREF 4ITD B 13 24 PDB 4ITD 4ITD 13 24 SEQRES 1 A 12 DC DG DC DG C6G DA DT DT DC DG DC DG SEQRES 1 B 12 DC DG DC DG C6G DA DT DT DC DG DC DG MODRES 4ITD C6G A 5 DG MODRES 4ITD C6G B 17 DG HET C6G A 5 26 HET C6G B 17 26 HET MG A 101 1 HET HT A 102 32 HETNAM C6G 6-(CARBOXYMETHOXY)-9-(2-DEOXY-5-O-PHOSPHONO-BETA-D- HETNAM 2 C6G ERYTHRO-PENTOFURANOSYL)-9H-PURIN-2-AMINE HETNAM MG MAGNESIUM ION HETNAM HT 2'-(4-HYDROXYPHENYL)-5-(4-METHYL-1-PIPERAZINYL)-2,5'- HETNAM 2 HT BI-BENZIMIDAZOLE HETSYN HT HOECHST 33258 FORMUL 1 C6G 2(C12 H16 N5 O9 P) FORMUL 3 MG MG 2+ FORMUL 4 HT C25 H24 N6 O FORMUL 5 HOH *80(H2 O) LINK O3' DG A 4 P C6G A 5 1555 1555 1.53 LINK O3' C6G A 5 P DA A 6 1555 1555 1.52 LINK O3' DG B 16 P C6G B 17 1555 1555 1.49 LINK O3' C6G B 17 P DA B 18 1555 1555 1.60 LINK MG MG A 101 O HOH A 203 1555 1555 1.99 LINK MG MG A 101 O HOH A 231 1555 1555 2.04 LINK MG MG A 101 O HOH A 232 1555 1555 2.11 LINK MG MG A 101 O HOH A 233 1555 1555 2.12 LINK MG MG A 101 O HOH A 234 1555 1555 2.04 LINK MG MG A 101 O HOH B 238 1555 1555 2.15 SITE 1 AC1 6 HOH A 203 HOH A 231 HOH A 232 HOH A 233 SITE 2 AC1 6 HOH A 234 HOH B 238 SITE 1 AC2 12 C6G A 5 DA A 6 DT A 7 DT A 8 SITE 2 AC2 12 DC A 9 DG A 12 DA B 18 DT B 19 SITE 3 AC2 12 DT B 20 DC B 21 DG B 22 DC B 23 CRYST1 25.051 40.404 65.667 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 0.039919 0.000000 0.000000 0.00000 SCALE2 0.000000 0.024750 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015228 0.00000