HEADER RIBONUCLEIC ACID 30-AUG-06 2I7E TITLE GAAA TETRALOOOP RECEPTOR COMPLEX WITH ASSOCIATED COBALT 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 THIS SOURCE 4 SEQUENCE ARE FOUND IN GROUP I AND GROUP II INTRONS KEYWDS GAAA TETRALOOP, 11-NUCLEOTIDE RECEPTOR, RNA TERTIARY STRUCTURE, KEYWDS 2 RIBONUCLEIC ACID EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR J.H.DAVIS,S.E.BUTCHER REVDAT 3 09-MAR-22 2I7E 1 REMARK 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 COMPLEX AS JRNL TITL 2 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 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), BRUNGER (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 DEPOSITION ID IS D_1000039230. 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 60 REMARK 210 PS (15 FS TIME STEPS) OF REMARK 210 RESTRAINED MOLECULAR DYNAMICS IN REMARK 210 TORSION ANGLE SPACE, FOLLOWED BY REMARK 210 90 PS OF SLOW COOLING. FINALLY REMARK 210 30 PS (5 FS TIME STEPS) OF REMARK 210 RESTRAINED MOLECULAR DYNAMICS IN REMARK 210 CARTESIAN COORDINATE SPACE WERE REMARK 210 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 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 H61 A A 22 O2' G B 51 1.45 REMARK 500 O2' G A 8 H61 A B 65 1.51 REMARK 500 O2' G B 60 H5' G B 61 1.51 REMARK 500 O2' C B 85 H5' U B 86 1.53 REMARK 500 O2' G A 18 H5' G A 19 1.54 REMARK 500 O2' G B 46 H5' A B 47 1.58 REMARK 500 HO2' U A 7 O5' G A 8 1.58 REMARK 500 O2' U B 68 H5' U B 69 1.58 REMARK 500 REMARK 500 REMARK: NULL 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 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO B 103 REMARK 800 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 MODEL 1