RNA World Informatics Phylogeny Database

NON-CANONICAL BASE PAIR DATABASE : Individual Record Page 416

Authors:	Jovine L, Hainzl T, Oubridge C, Scott WG, Li J, Sixma TK, Wonacott A, Skarzynski T, Nagai K
Citation:	Crystal structure of the Ffh and EF-G binding sites in the conserved domain IV of Escherichia coli 4.5S RNA Structure Fold Des 8(5):527-540 May 02, 2000  [PDB link]
Base Pair Type:	AC reverse Hoogsteen
Base Pair Category:	Normal Purine-Pyrimidine Base Pairs; Trans Watson-Crick/Hoogsteen
Sequence Context:	5'  3' C-A,carbonyl-amino (1 bond) A-C G-G,amino-carbonyl (1 bond) 3'  5'
Structure:	4.5S RNA, domain IV, loopA
Pucker Info:	*
Melting Point:	*
Free Energy:	*
Chemical Shift:	*
Glycosidic Conf:	*
Extra Info:	The N6 of A47 hydrogen bonds with O2 and N3 of C62; N7 of A47 hydrogen bonds with N4 of C62. A47-C62 lies above A63 and no stacking interaction is seen with C46. A47 N1 is exposed to solvent. Deep potential holes are observed in the structure at A47 and G48.
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