2U2A - Header Asymmetric Unit

HEADER RNA 20-AUG-97 2U2A

TITLE STEM LOOP IIA FROM U2 SNRNA OF SACCHAROMYCES CEREVISIAE, TITLE 2 NMR, MINIMIZED AVERAGE STRUCTURE

COMPND MOL_ID: 1; COMPND 2 MOLECULE: RNA (5'- COMPND 3 R(P*GP*GP*UP*CP*AP*GP*UP*GP*UP*AP*AP*CP*AP*AP*CP*UP*GP*AP*C COMPND 4 P*C)-3'); COMPND 5 CHAIN: A; COMPND 6 FRAGMENT: STEM LOOP IIA; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE; SOURCE 3 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 4 ORGANISM_TAXID: 4932; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: T7; SOURCE 8 OTHER_DETAILS: MOLECULE TRANSCRIBED FROM A PARTIALLY SOURCE 9 SINGLE-STRANDED DNA TEMPLATE USING T7 RNA POLYMERASE

KEYWDS PRE-MRNA SPLICING, U2SNRNA, NMR, U-TURN, RNA-PROTEIN KEYWDS 2 INTERACTIONS, RIBONUCLEIC ACID

EXPDTA SOLUTION NMR

AUTHOR S.C.STALLINGS,P.B.MOORE

REVDAT 2 24-FEB-09 2U2A 1 VERSN REVDAT 1 04-MAR-98 2U2A 0

JRNL AUTH S.C.STALLINGS,P.B.MOORE JRNL TITL THE STRUCTURE OF AN ESSENTIAL SPLICING ELEMENT: JRNL TITL 2 STEM LOOP IIA FROM YEAST U2 SNRNA. JRNL REF STRUCTURE V. 5 1173 1997 JRNL REFN ISSN 0969-2126 JRNL PMID 9331416 JRNL DOI 10.1016/S0969-2126(97)00268-2

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.I.ZAVANELLI,M.ARES JUNIOR REMARK 1 TITL EFFICIENT ASSOCIATION OF U2 SNRNPS WITH PRE-MRNA REMARK 1 TITL 2 REQUIRES AN ESSENTIAL U2 RNA STRUCTURAL ELEMENT REMARK 1 REF GENES DEV. V. 5 2521 1991 REMARK 1 REFN ISSN 0890-9369 REMARK 1 REFERENCE 2 REMARK 1 AUTH M.ARES JUNIOR,A.H.IGEL REMARK 1 TITL LETHAL AND TEMPERATURE-SENSITIVE MUTATIONS AND REMARK 1 TITL 2 THEIR SUPPRESSORS IDENTIFY AN ESSENTIAL STRUCTURAL REMARK 1 TITL 3 ELEMENT IN U2 SMALL NUCLEAR RNA REMARK 1 REF GENES DEV. V. 4 2132 1990 REMARK 1 REFN ISSN 0890-9369

REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REFINEMENT WAS DONE USING TORSION REMARK 3 ANGLE MOLECULAR DYNAMICS. DETAILS OF THE PROTOCOL CAN BE FOUND REMARK 3 IN THE STRUCTURE CITATION ABOVE.

REMARK 4 REMARK 4 2U2A 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) : 303 REMARK 210 PH : 7.6 REMARK 210 IONIC STRENGTH : 75 MM REMARK 210 PRESSURE : 1 ATM SOLVENT SYSTEM : 10MM REMARK 210 KH2PO4, 50 MM KCL, 15 MM NACL, REMARK 210 0.5 MM EDTA ATM REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : NOESY(D2O), NOESY(H2)), DQF- REMARK 210 COSY, HP-COSY, HCP SPIN-ECHO REMARK 210 DIFFERENCE, CH CT-HSQC, 3D REMARK 210 HCCH-TOCSY, HCCH-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ, 600 MHZ REMARK 210 SPECTROMETER MODEL : OMEGA500, UNITY+600 REMARK 210 SPECTROMETER MANUFACTURER : GE, VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : FELIX95, XPLOR3.851 REMARK 210 METHOD USED : MOLECULAR DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 15 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 1 REMARK 210 CONFORMERS, SELECTION CRITERIA : LEAST RESTRAINT VIOLATIONS 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.

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1U2A RELATED DB: PDB REMARK 900 MINIMIZED AVERAGE STRUCTURE

DBREF 2U2A A 1 20 PDB 2U2A 2U2A 1 20

SEQRES 1 A 20 G G U C A G U G U A A C A SEQRES 2 A 20 A C U G A C C

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