Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(A) 2D NOESY imino region lacking NOEs that would indicate wobble base pairs. (B) NOEs indicating that U8 is in can flip out from the helix. (C) Predicted structure of GUCU duplex. (D) Secondary structure model for GUCU duplex. All red U’s may not be flipped out at the same time. Middle GC pairs may not always be present. (E) & (F) Model duplexes (GUCC and GUC) created to compare chemical shifts of the internal loop residues with those of the GUCU duplex.
