A network of heterogeneous hydrogen bonds in GNRA tetraloops.
Jucker, F.M., Heus, H.A., Yip, P.F., Moors, E.H., Pardi, A.(1996) J Mol Biol 264: 968-980
- PubMed: 9000624 
- DOI: 10.1006/jmbi.1996.0690
- Primary Citation of Related Structures:  
1ZIF, 1ZIG, 1ZIH - PubMed Abstract: 
RNA hairpin loops containing a GNRA consensus sequence are the most frequently occurring hairpins in a variety of prokaryotic and eukaryotic RNAs. These tetraloops play important functional roles in RNA folding, in RNA-RNA tertiary interactions and as protein binding sites ...