HEADER DNA 10-JUN-98 1BHR TITLE 2'-DEOXY-ISOGUANOSINE BASE PAIRED TO THYMIDINE, NMR, TITLE 2 MINIMIZED AVERAGE STRUCTURE COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'-D(*CP*GP*CP*IGUP*AP*AP*TP*TP*TP*GP*CP*G)- COMPND 3 3'); COMPND 4 CHAIN: A, B; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: X IS ISOGUANOSINE SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES KEYWDS DEOXYRIBONUCLEIC ACID, ISOGUANOSINE-THYMIDINE MISMATCH, DNA EXPDTA SOLUTION NMR AUTHOR H.ROBINSON,Y.-G.GAO,C.BAUER,C.ROBERTS,C.SWITZER,A.H.-J.WANG REVDAT 4 24-FEB-09 1BHR 1 VERSN REVDAT 3 01-APR-03 1BHR 1 JRNL REVDAT 2 25-NOV-98 1BHR 3 HET COMPND REMARK TITLE REVDAT 2 2 3 HETATM EXPDTA MODRES TER REVDAT 2 3 3 LINK ATOM SOURCE SEQRES REVDAT 2 4 3 FORMUL JRNL CONECT HETNAM REVDAT 1 04-NOV-98 1BHR 0 JRNL AUTH H.ROBINSON,Y.G.GAO,C.BAUER,C.ROBERTS,C.SWITZER, JRNL AUTH 2 A.H.WANG JRNL TITL 2'-DEOXYISOGUANOSINE ADOPTS MORE THAN ONE TAUTOMER JRNL TITL 2 TO FORM BASE PAIRS WITH THYMIDINE OBSERVED BY JRNL TITL 3 HIGH-RESOLUTION CRYSTAL STRUCTURE ANALYSIS. JRNL REF BIOCHEMISTRY V. 37 10897 1998 JRNL REFN ISSN 0006-2960 JRNL PMID 9692982 JRNL DOI 10.1021/BI980818L REMARK 1 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: MINIMIZATION OF MODEL AGAINST REMARK 3 OBSERVED 1H NOE'S REMARK 4 REMARK 4 1BHR COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 275 REMARK 210 PH : 7.0 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : NOESY TOCSY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ REMARK 210 SPECTROMETER MODEL : VXR500 REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : X-PLOR 3.1 REMARK 210 METHOD USED : CONJUGATE GRADIENT REMARK 210 MINIMIZATION REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 2 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 1 REMARK 210 CONFORMERS, SELECTION CRITERIA : CONVERGENCE REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: THE STRUCTURE IS BASED ON OBSERVED 1H NOE'S REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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 C5' DC A 1 C4' 0.048 REMARK 500 DT A 7 C5 DT A 7 C7 0.044 REMARK 500 DT A 8 C5 DT A 8 C7 0.041 REMARK 500 DT A 9 C5 DT A 9 C7 0.040 REMARK 500 DC B 13 C5' DC B 13 C4' 0.048 REMARK 500 DT B 19 C5 DT B 19 C7 0.045 REMARK 500 DT B 20 C5 DT B 20 C7 0.040 REMARK 500 DT B 21 C5 DT B 21 C7 0.042 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 O4' - C1' - N9 ANGL. DEV. = -5.5 DEGREES REMARK 500 DT A 7 O4' - C1' - N1 ANGL. DEV. = 4.7 DEGREES REMARK 500 DT A 8 O4' - C1' - N1 ANGL. DEV. = 4.7 DEGREES REMARK 500 DG A 12 O4' - C1' - N9 ANGL. DEV. = 6.7 DEGREES REMARK 500 DA B 18 O4' - C1' - N9 ANGL. DEV. = -5.3 DEGREES REMARK 500 DT B 19 O4' - C1' - N1 ANGL. DEV. = 4.8 DEGREES REMARK 500 DT B 20 O4' - C1' - N1 ANGL. DEV. = 5.0 DEGREES REMARK 500 DG B 24 O4' - C1' - N9 ANGL. DEV. = 6.8 DEGREES REMARK 500 REMARK 500 REMARK: NULL 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 DG A 2 0.07 SIDE_CHAIN REMARK 500 DC A 11 0.10 SIDE_CHAIN REMARK 500 DG A 12 0.10 SIDE_CHAIN REMARK 500 DG B 14 0.07 SIDE_CHAIN REMARK 500 DC B 23 0.11 SIDE_CHAIN REMARK 500 DG B 24 0.10 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL DBREF 1BHR A 1 12 PDB 1BHR 1BHR 1 12 DBREF 1BHR B 13 24 PDB 1BHR 1BHR 13 24 SEQRES 1 A 12 DC DG DC IGU DA DA DT DT DT DG DC DG SEQRES 1 B 12 DC DG DC IGU DA DA DT DT DT DG DC DG MODRES 1BHR IGU A 4 DG 2'-DEOXYISOGUANINE-5'-MONOPHOSPHATE MODRES 1BHR IGU B 16 DG 2'-DEOXYISOGUANINE-5'-MONOPHOSPHATE HET IGU A 4 33 HET IGU B 16 33 HETNAM IGU 2'-DEOXYISOGUANINE-5'-MONOPHOSPHATE FORMUL 1 IGU 2(C10 H14 N5 O7 P) LINK P IGU A 4 O3' DC A 3 1555 1555 1.62 LINK O3' IGU A 4 P DA A 5 1555 1555 1.62 LINK P IGU B 16 O3' DC B 15 1555 1555 1.62 LINK O3' IGU B 16 P DA B 17 1555 1555 1.62 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MASTER 119 0 2 0 0 0 0 6 0 0 0 2 END