YIR033W

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Systematic name YIR033W
Gene name MGA2
Aliases
Feature type ORF, Verified
Coordinates Chr IX:416124..419465
Primary SGDID S000001472


Description of YIR033W: ER membrane protein involved in regulation of OLE1 transcription, acts with homolog Spt23p; inactive ER form dimerizes and one subunit is then activated by ubiquitin/proteasome-dependent processing followed by nuclear targeting[1][2]




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References

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  1. Chellappa R, et al. (2001) The membrane proteins, Spt23p and Mga2p, play distinct roles in the activation of Saccharomyces cerevisiae OLE1 gene expression. Fatty acid-mediated regulation of Mga2p activity is independent of its proteolytic processing into a soluble transcription activator. J Biol Chem 276(47):43548-56 SGD PMID 11557770
  2. Shcherbik N, et al. (2003) Rsp5p is required for ER bound Mga2p120 polyubiquitination and release of the processed/tethered transactivator Mga2p90. Curr Biol 13(14):1227-33 SGD PMID 12867034

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