YHR079C

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Systematic name YHR079C
Gene name IRE1
Aliases ERN1
Feature type ORF, Verified
Coordinates Chr VIII:261591..258244
Primary SGDID S000001121


Description of YHR079C: Serine-threonine kinase and endoribonuclease; transmembrane protein that mediates the unfolded protein response (UPR) by regulating Hac1p synthesis through HAC1 mRNA splicing; Kar2p binds inactive Ire1p and releases from it upon ER stress[1][2][3]




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References

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  1. Okamura K, et al. (2000) Dissociation of Kar2p/BiP from an ER sensory molecule, Ire1p, triggers the unfolded protein response in yeast. Biochem Biophys Res Commun 279(2):445-50 SGD PMID 11118306
  2. Sidrauski C and Walter P (1997) The transmembrane kinase Ire1p is a site-specific endonuclease that initiates mRNA splicing in the unfolded protein response. Cell 90(6):1031-9 SGD PMID 9323131
  3. Welihinda AA and Kaufman RJ (1996) The unfolded protein response pathway in Saccharomyces cerevisiae. Oligomerization and trans-phosphorylation of Ire1p (Ern1p) are required for kinase activation. J Biol Chem 271(30):18181-7 SGD PMID 8663458

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