RNA World Informatics Phylogeny Database

NON-CANONICAL BASE PAIR DATABASE : Individual Record Page 225

Authors:	Allain FH, Varani G
Citation:	Structure of the P1 helix from group I self-splicing introns J Mol Biol 250(3):333-53 July 14, 1995  [PDB link]
Base Pair Type:	GU imino-2-carbonyl (1 bond)
Base Pair Category:	Single Hydrogen Bond Mismatches; Cis Watson-Crick/Shallow groove
Sequence Context:	5'  3' C U,* G-U G-C,Watson-Crick 3'  5'
Structure:	Tetraloop closing the P1 helix from group I intron
Pucker Info:	*
Melting Point:	*
Free Energy:	*
Chemical Shift:	*
Glycosidic Conf:	G is in syn conformation
Extra Info:	*
Figure: