CHAMPAIGN, Ill. -- The production of lariat RNAs is a key step in the biologically important process of splicing. Because splicing changes the protein that is made from a given gene, a fundamental ...
Shown is the splicing pathway. The pre-messenger RNA (pre-mRNA) has exons (blue) and introns (pink). The spliceosome (not shown) was known to catalyze two chemical reactions (black arrows) in a ...