2I7E - Header Asymmetric Unit

HEADER RIBONUCLEIC ACID 30-AUG-06 2I7E

TITLE GAAA TETRALOOOP RECEPTOR COMPLEX WITH ASSOCIATED COBALT TITLE 2 HEXAMMINE.

COMPND MOL_ID: 1; COMPND 2 MOLECULE: 43-MER; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 OTHER_DETAILS: GAAA TETRALOOP RECEPTOR RNA

SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THE GAAA TETRALOOP AND 11-NT RECEPTOR IN SOURCE 4 THIS SEQUENCE ARE FOUND IN GROUP I AND GROUP II INTRONS

KEYWDS GAAA TETRALOOP, 11-NUCLEOTIDE RECEPTOR, RNA TERTIARY KEYWDS 2 STRUCTURE, RIBONUCLEIC ACID

EXPDTA SOLUTION NMR

NUMMDL 20

AUTHOR J.H.DAVIS,S.E.BUTCHER

REVDAT 2 24-FEB-09 2I7E 1 VERSN REVDAT 1 03-APR-07 2I7E 0

JRNL AUTH J.H.DAVIS,T.R.FOSTER,M.TONELLI,S.E.BUTCHER JRNL TITL ROLE OF METAL IONS IN THE TETRALOOP-RECEPTOR JRNL TITL 2 COMPLEX AS ANALYZED BY NMR. JRNL REF RNA V. 13 76 2007 JRNL REFN ISSN 1355-8382 JRNL PMID 17119098 JRNL DOI 10.1261/RNA.268307

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0, X-PLOR 2.11 REMARK 3 AUTHORS : BRUNGER A. T. ETALL (CNS), (X-PLOR) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 2I7E COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-SEP-06. REMARK 100 THE RCSB ID CODE IS RCSB039230.

REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 283 REMARK 210 PH : 7.0 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 1 MM GAAA TETRALOOP RECEPTOR REMARK 210 RNA, 10 MM MGCL2, 2 MM COBALT REMARK 210 HEXAAMINE, 50 MM NACL, PH 7.0; REMARK 210 90% H2O 10 %D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY, 2D HMQC REMARK 210 SPECTROMETER FIELD STRENGTH : 750 MHZ, 900 MHZ, 600 MHZ REMARK 210 SPECTROMETER MODEL : DMX, INOVA REMARK 210 SPECTROMETER MANUFACTURER : BRUKER, VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XWINNMR 2.6, SPARKY 3.111 REMARK 210 METHOD USED : STRUCTURES WERE SUBJECTED TO REMARK 210 60 PS (15 FS TIME STEPS) OF REMARK 210 RESTRAINED MOLECULAR DYNAMICS REMARK 210 IN TORSION ANGLE SPACE, REMARK 210 FOLLOWED BY 90 PS OF SLOW REMARK 210 COOLING. FINALLY 30 PS (5 FS REMARK 210 TIME STEPS) OF RESTRAINED REMARK 210 MOLECULAR DYNAMICS IN REMARK 210 CARTESIAN COORDINATE SPACE REMARK 210 WERE PERFORMED REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST REMARK 210 ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 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 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 101 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 102 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO B 103 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO B 104

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2ADT RELATED DB: PDB REMARK 900 SAME RNA DETERMINED WITHOUT ASSOCIATED METAL IONS.

DBREF 2I7E A 1 43 PDB 2I7E 2I7E 1 43 DBREF 2I7E B 44 86 PDB 2I7E 2I7E 44 86

SEQRES 1 A 43 G G G A U A U G G A A G A SEQRES 2 A 43 A C C G G G G A A A C U U SEQRES 3 A 43 G G U U C U U C C U A A G SEQRES 4 A 43 U C C U SEQRES 1 B 43 G G G A U A U G G A A G A SEQRES 2 B 43 A C C G G G G A A A C U U SEQRES 3 B 43 G G U U C U U C C U A A G SEQRES 4 B 43 U C C U

HET NCO A 101 25 HET NCO A 102 25 HET NCO B 103 25 HET NCO B 104 25

HETNAM NCO COBALT HEXAMMINE(III)

FORMUL 3 NCO 4(CO H18 N6 3+)

SITE 1 AC1 5 G A 18 G A 19 G A 20 C A 24 SITE 2 AC1 5 U A 25 SITE 1 AC2 5 U A 7 G A 9 A A 10 U A 33 SITE 2 AC2 5 C A 34 SITE 1 AC3 4 G B 61 G B 62 G B 63 U B 68 SITE 1 AC4 6 A B 49 G B 52 A B 53 U B 75 SITE 2 AC4 6 U B 76 C B 77

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