Modomics - A Database of RNA Modifications

Full name: Elongator complex protein 6
Synonym: HAP3, TOT6
GI: 6323972
Orf: YM9924.04
COG: COG1021
UniProt: Q04868
Structures: | |
Complex: Elongator complex


One of the six protein cofactors required for the synthesis of 5-carboxymethyl group (cm5) on the wobble uridine-34 of a few tRNA. Acetate or acetyl-CoA is the donor of acetyl group, but the detailed mechanism of the reaction is still unknown. The cm5U derivative is the intermediate for further biochemical transformation of U34 derivative to either 5-methoxycarbonylmethyl uridine (mcm5U) catalysed by Trm9/Trm112 or 5-carbamoylmethyluridine (ncm5U) catalysed by a still unknown enzyme. Mutation in Elp (especially Elp3) influences telomeric gene silencing and DNA damage response. The multi-subunit complex El1-6 also interacts with elongating RNA polymerase II (RNAPII) is thought to facilitate transcription through histone acetylation.

Protein sequence:



Title Authors Journal Details PubMed Id DOI
A genome-wide screen identifies genes required for formation of the wobble nucleoside 5-methoxycarbonylmethyl-2-thiouridine in Saccharomyces cerevisiae. Huang B, Lu J, Bystrom AS RNA [details] 18755837 -
An early step in wobble uridine tRNA modification requires the Elongator complex. Huang B, Johansson MJ, Bystrom AS RNA [details] 15769872 -
Elongator complex influences telomeric gene silencing and DNA damage response by its role in wobble uridine tRNA modification. Chen C, Huang B, Eliasson M, Ryden P, Bystrom AS... PLoS Genet [details] 21912530 -
Elongator, a multisubunit component of a novel RNA polymerase II holoenzyme for transcriptional elongation. Otero G, Fellows J, Li Y, de Bizemont T, Dirac AM, Gustafsson CM, Erdjument-Bromage H, Tempst P, Svejstrup JQ... Mol Cell [details] 10024884 -

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