HEADER RNA 16-OCT-06 2IRO TITLE THE NMR STRUCTURES OF (RGCUGAGGCU)2 AND (RGCGGAUGCU)2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-R(P*GP*CP*GP*GP*AP*UP*GP*CP*U)-3'; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES KEYWDS RNA INTERNAL LOOPS, SHEARED GA PAIRS, SHEARED GU PAIRS, NON KEYWDS 2 CANONICAL PAIRS, THERMODYNAMICS EXPDTA SOLUTION NMR NUMMDL 15 AUTHOR B.S.TOLBERT REVDAT 2 24-FEB-09 2IRO 1 VERSN REVDAT 1 20-FEB-07 2IRO 0 JRNL AUTH B.S.TOLBERT,S.D.KENNEDY,S.J.SCHROEDER,T.R.KRUGH, JRNL AUTH 2 D.H.TURNER JRNL TITL NMR STRUCTURES OF (RGCUGAGGCU)(2) AND JRNL TITL 2 (RGCGGAUGCU)(2): PROBING THE STRUCTURAL FEATURES JRNL TITL 3 THAT SHAPE THE THERMODYNAMIC STABILITY OF GA JRNL TITL 4 PAIRS(,). JRNL REF BIOCHEMISTRY V. 46 1511 2007 JRNL REFN ISSN 0006-2960 JRNL PMID 17279616 JRNL DOI 10.1021/BI061350M REMARK 1 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER ET AL. REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: STRUCTURES VALIDATED BY CHEMICAL REMARK 3 BACK CALCULATION USING THE PROGRAM NUCHEMICS REMARK 4 REMARK 4 2IRO COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-OCT-06. REMARK 100 THE RCSB ID CODE IS RCSB039932. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 278 REMARK 210 PH : 5.18 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : 1 MM DUPLEX, 80 MM NACL, 0.5 REMARK 210 MM NA2EDTA, 10 MM SODIUM REMARK 210 PHOSPHATE, PH 5.5, 90%H2O, 10% REMARK 210 D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY, DQF-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : INOVA REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CNS 1.1, NMRPIPE, SPARKY 3 REMARK 210 METHOD USED : SIMULATED ANNEALING AND REMARK 210 RESTRAINED MOLECULAR DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 30 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 15 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LEAST REMARK 210 RESTRAINT VIOLATIONS, REMARK 210 STRUCTURES WITH THE LOWEST REMARK 210 ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NATURAL ABUNDANCE 13C-1H AND 15N-1H HSQC 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 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2IRN RELATED DB: PDB REMARK 900 SIMILAR RNA SEQUENCE WITH GU PAIRS REVERSED DBREF 2IRO A 1 9 PDB 2IRO 2IRO 1 9 DBREF 2IRO B 10 18 PDB 2IRO 2IRO 10 18 SEQRES 1 A 9 G C G G A U G C U SEQRES 1 B 9 G C G G A U G C U 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 ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL MASTER 57 0 0 0 0 0 0 6 0 0 0 2 END