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Upf1 | Regulator of nonsense transcripts 1 homolog; RNA-dependent helicase and ATPase required for nonsense- mediated decay (NMD) of mRNAs containing premature stop codons. Is recruited to mRNAs upon translation termination and undergoes a cycle of phosphorylation and dephosphorylation; its phosphorylation appears to be a key step in NMD. The formation of an Upf1-Upf2-Upf3 surveillance complex is believed to activate NMD (By similarity). (1180 aa) | ||||
RpL13A | Ribosomal protein L13A (RpL13A) encodes a component of the large ribosomal subunit, and thus involved in mRNA translation. Mutations in genes encoding ribosomal proteins affect fertility, viability and other Drosophila phenotypes, described as Minute; Belongs to the universal ribosomal protein uL13 family. (205 aa) |