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.
Spliced Leader RNA trans-splicing. The SL RNA (black) attaches to the first exon (red) of an mRNA. The outron of the mRNA and the intron of the SL RNA attach and form a branch in the same way that in traditional splicing the intron forms a lariat.
