
Nm writers. (A) Box C/D snoRNPs deposit Nm on rRNA, snRNA, at some sites in tRNA, and at internal sites in mRNA. (B) Stand-alone enzymes deposit Nm on tRNA, at the 5′ cap of mRNA, and in viral RNA. Stand-alone enzymes have also been proposed to deposit Nm at some internal mRNA sites. Created with BioRender.com.










