Elongator complex protein 3
UniProtKB accession: Q02908
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Go to UniProtKB: Q02908
UniProtKB description: Catalytic tRNA acetyltransferase subunit of the elongator complex which is required for multiple tRNA modifications, including mcm5U (5-methoxycarbonylmethyl uridine), mcm5s2U (5-methoxycarbonylmethyl-2-thiouridine), and ncm5U (5-carbamoylmethyl uridine) (PubMed:15769872, PubMed:17018299, PubMed:18755837, PubMed:21912530, PubMed:31309145). In the elongator complex, acts as a tRNA uridine(34) acetyltransferase, which mediates formation of carboxymethyluridine in the wobble base at position 34 in tRNAs (By similarity). The complex functions as a gamma-toxin target (TOT); disruption of the complex confers resistance to Kluyveromyces lactis toxin zymocin (pGKL1 killer toxin) (PubMed:11296232). May also be involved in sensitivity to Pichia inositovora toxin (PubMed:13680368). Independently, ELP3 may be involved in polarized exocytosis (PubMed:15780940).
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