YHR111W

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Systematic name YHR111W
Gene name UBA4
Aliases YHR1
Feature type ORF, Verified
Coordinates Chr VIII:333072..334394
Primary SGDID S000001153


Description of YHR111W: Protein that activates Urm1p before its conjugation to proteins (urmylation); also acts in thiolation of the wobble base of cytoplasmic tRNAs by adenylating and then thiolating Urm1p; receives sulfur from Tum1p[1][2][3][4]




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References

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  1. Goehring AS, et al. (2003) Attachment of the ubiquitin-related protein Urm1p to the antioxidant protein Ahp1p. Eukaryot Cell 2(5):930-6 SGD PMID 14555475
  2. Goehring AS, et al. (2003) Urmylation: a ubiquitin-like pathway that functions during invasive growth and budding in yeast. Mol Biol Cell 14(11):4329-41 SGD PMID 14551258
  3. Leidel S, et al. (2009) Ubiquitin-related modifier Urm1 acts as a sulphur carrier in thiolation of eukaryotic transfer RNA. Nature 458(7235):228-32 SGD PMID 19145231
  4. Noma A, et al. (2009) Mechanistic characterization of the sulfur-relay system for eukaryotic 2-thiouridine biogenesis at tRNA wobble positions. Nucleic Acids Res 37(4):1335-52 SGD PMID 19151091

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