HEADER RNA 15-OCT-06 2IRN TITLE THE NMR STRUCTURES OF (RGCUGAGGCU)2 AND (RGCGGAUGCU)2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-R(P*GP*CP*UP*GP*AP*GP*GP*CP*U)-3'; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES KEYWDS RNA INERNAL LOOPS, SHEARED GA PAIRS, GU WOBBLE, THERMODYNAMICS, RNA EXPDTA SOLUTION NMR NUMMDL 15 AUTHOR B.S.TOLBERT REVDAT 4 29-MAY-24 2IRN 1 REMARK REVDAT 3 09-MAR-22 2IRN 1 REMARK REVDAT 2 24-FEB-09 2IRN 1 VERSN REVDAT 1 20-FEB-07 2IRN 0 JRNL AUTH B.S.TOLBERT,S.D.KENNEDY,S.J.SCHROEDER,T.R.KRUGH,D.H.TURNER JRNL TITL NMR STRUCTURES OF (RGCUGAGGCU)(2) AND (RGCGGAUGCU)(2): JRNL TITL 2 PROBING THE STRUCTURAL FEATURES THAT SHAPE THE THERMODYNAMIC JRNL TITL 3 STABILITY OF GA PAIRS(,). JRNL REF BIOCHEMISTRY V. 46 1511 2007 JRNL REFN ISSN 0006-2960 JRNL PMID 17279616 JRNL DOI 10.1021/BI061350M REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1, CNS 1.1 REMARK 3 AUTHORS : BRUNGER ET AL. (CNS), BRUNGER ET AL. (CNS) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2IRN COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-OCT-06. REMARK 100 THE DEPOSITION ID IS D_1000039931. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 283 REMARK 210 PH : 5.5 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : 0.75 MM RNA DUPLEX, 80 MM NACL, REMARK 210 0.5 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; NATURAL REMARK 210 ABUNDANCE 13C-1H AND 15N-1H HSQC; REMARK 210 31P-1H HETCOR 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 : 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,STRUCTURES REMARK 210 WITH THE LOWEST ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NATURAL ABUNDANCE 13C-1H HSQC, 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 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: CLOSE CONTACTS 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 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2IRO RELATED DB: PDB REMARK 900 THE NMR STRUCTURES OF (RGCUGAGGCU)2 AND (RGCGGAUGCU)2 DBREF 2IRN A 1 9 PDB 2IRN 2IRN 1 9 DBREF 2IRN B 10 18 PDB 2IRN 2IRN 10 18 SEQRES 1 A 9 G C U G A G G C U SEQRES 1 B 9 G C U G A G 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 MODEL 1