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) Structure of the xRNA phosphoramidites rxA (11-PA), rxU (12-PA), rxG (13-PA), and rxC (14-PA). B) Double-stranded RNA probes containing xRNA bases for RNA interference experiments and results of the RNAi luciferase activity assay with siRNAs containing the xRNA bases. Reproduced from Ref. [52] with permission. DMT = dimethoxytrityl.
