HEADER DEOXYRIBONUCLEIC ACID 10-AUG-95 228D OBSLTE 17-JUN-98 228D 1A6H TITLE DNA QUADRUPLEX CONTAINING GCGC TETRAD COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'-D(GP*CP*GP*GP*TP*TP*TP*GP*CP*GP*G)-3'); COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES KEYWDS DNA QUADRUPLEX, FRAGILE X SYNDROME, D(CGG) TRIPLET REPEAT, KEYWDS 2 GCGC TETRADS EXPDTA NMR, 4 STRUCTURES AUTHOR A.KETTANI,R.A.KUMAR,D.J.PATEL REVDAT 1 29-JAN-96 228D 0 JRNL AUTH A.KETTANI,R.A.KUMAR,D.J.PATEL JRNL TITL SOLUTION STRUCTURE OF A DNA QUADRUPLEX CONTAINING JRNL TITL 2 THE FRAGILE X SYNDROME TRIPLET REPEAT JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NULL REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 228D COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 6 REMARK 6 228D EACH DNA STRAND FORMS A HAIR-PIN WITH THE CENTRAL G-C REMARK 6 228D BASES FORMING WATSON-CRICK BASE PAIRS. THE TWO HAIR- REMARK 6 PINS 228D SHOW ANTIPARALLEL ALIGNMENT. THE NMR SPECTRA SHOW REMARK 6 ONLY 228D ONE SET OF RESONANCES FOR THE TWO STRANDS. REMARK 6 THEREFORE 228D NON-CRYSTALLOGRAPHIC SYMMETRY RESTRAINTS REMARK 6 WERE IMPOSED 228D ON ALL NON-HYDROGEN ATOMS TO MAINTAIN THE REMARK 6 TWO STRANDS 228D SUPERIMPOSABLE. THE MOLECULE EXHIBITS REMARK 6 APPROXIMATE 228D TWO-FOLD SYMMETRY. 228D REMARK 7 REMARK 7 228D THE STRUCTURE IS WELL-DEFINED AT RESIDUES G 1 - G 4, T REMARK 7 7 228D - G 11. RESIDUES T 5 AND T 6 ARE LESS WELL DEFINED. REMARK 7 228D REMARK 8 REMARK 8 228D THE LIST OF EXPERIMENTAL RESTRAINTS IS AVAILABLE IN REMARK 8 228D ENTRY R228DMR. 228D REMARK 9 REMARK 9 228D MTRIX 228D THE TRANSFORMATIONS PRESENTED ON MTRIX REMARK 9 RECORDS BELOW 228D DESCRIBE NON-CRYSTALLOGRAPHIC REMARK 9 RELATIONSHIPS AMONG THE 228D VARIOUS DOMAINS IN THIS ENTRY. REMARK 9 APPLYING THE APPROPRIATE 228D MTRIX TRANSFORMATION TO THE REMARK 9 RESIDUES LISTED FIRST WILL 228D YIELD APPROXIMATE REMARK 9 COORDINATES FOR THE RESIDUES LISTED 228D SECOND. 228D 228D REMARK 9 APPLIED TO TRANSFORMED TO 228D MTRIX RESIDUES RESIDUES RMSD REMARK 9 228D M1 B 1 .. B 11 A 1 .. A 11 0.151 228D M2 A 1 .. A 11 B REMARK 9 1 .. B 11 0.151 228D REMARK 102 REMARK 102 BASES G A 1 AND G A 11 ARE MISPAIRED. REMARK 102 BASES G A 1 AND G B 4 ARE MISPAIRED. REMARK 102 BASES G A 4 AND G A 8 ARE MISPAIRED. REMARK 102 BASES G A 4 AND G B 1 ARE MISPAIRED. REMARK 102 BASES G A 8 AND G B 11 ARE MISPAIRED. REMARK 102 BASES G A 11 AND G B 8 ARE MISPAIRED. REMARK 102 BASES G B 1 AND G B 11 ARE MISPAIRED. REMARK 102 BASES G B 4 AND G B 8 ARE MISPAIRED. REMARK 103 REMARK 103 THERE ARE NON-WATSON-CRICK HYDROGEN BONDS BETWEEN THE REMARK 103 FOLLOWING ATOMS: REMARK 103 N7 G A 1 AND N2 G A 11 REMARK 103 O6 G A 1 AND N1 G A 11 REMARK 103 N1 G A 1 AND O6 G B 4 REMARK 103 N2 G A 1 AND N7 G B 4 REMARK 103 N4 C A 2 AND O6 G B 3 REMARK 103 O6 G A 3 AND N4 C B 2 REMARK 103 N1 G A 4 AND O6 G A 8 REMARK 103 N2 G A 4 AND N7 G A 8 REMARK 103 N1 G A 4 AND N3 C A 9 REMARK 103 N7 G A 4 AND N2 G B 1 REMARK 103 O6 G A 4 AND N1 G B 1 REMARK 103 N1 G A 8 AND O6 G B 11 REMARK 103 N2 G A 8 AND N7 G B 11 REMARK 103 N4 C A 9 AND O6 G B 10 REMARK 103 O6 G A 10 AND N4 C B 9 REMARK 103 N7 G A 11 AND N2 G B 8 REMARK 103 O6 G A 11 AND N1 G B 8 REMARK 103 N7 G B 1 AND N2 G B 11 REMARK 103 O6 G B 1 AND N1 G B 11 REMARK 103 N1 G B 4 AND O6 G B 8 REMARK 103 N2 G B 4 AND N7 G B 8 REMARK 103 N1 G B 4 AND N3 C B 9 REMARK 105 REMARK 105 THE PROTEIN DATA BANK HAS ADOPTED THE SACCHARIDE CHEMISTS REMARK 105 NOMENCLATURE FOR ATOMS OF THE DEOXYRIBOSE/RIBOSE MOIETY REMARK 105 RATHER THAN THAT OF THE NUCLEOSIDE CHEMISTS. THE RING REMARK 105 OXYGEN ATOM IS LABELLED O4* INSTEAD OF O1*. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : NULL REMARK 210 PH : NULL REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : NULL REMARK 210 SPECTROMETER FIELD STRENGTH : NULL REMARK 210 SPECTROMETER MODEL : NULL REMARK 210 SPECTROMETER MANUFACTURER : NULL REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NULL REMARK 210 METHOD USED : NULL REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : NULL REMARK 210 CONFORMERS, NUMBER SUBMITTED : NULL REMARK 210 CONFORMERS, SELECTION CRITERIA : NULL REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: NULL 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. SEQRES 1 A 11 G C G G T T T G C G G SEQRES 1 B 11 G C G G T T T G C G G 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 MODEL 1