YKL126W

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Systematic name YKL126W
Gene name YPK1
Aliases SLI2
Feature type ORF, Verified
Coordinates Chr XI:205707..207749
Primary SGDID S000001609


Description of YKL126W: Serine/threonine protein kinase; phosphorylates and downregulates flippase activator Fpk1p; also inactivates Orm1p and Orm2p (inhibitors of serine:palmitoyl-coenzyme A transferase) by phosphorylation in response to compromised sphingolipid synthesis; mutations affect receptor-mediated endocytosis and sphingolipid-mediated and cell integrity signaling pathways; homolog of mammalian kinase SGK[1][2][3][4][5][6][7]




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References

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  1. Casamayor A, et al. (1999) Functional counterparts of mammalian protein kinases PDK1 and SGK in budding yeast. Curr Biol 9(4):186-97 SGD PMID 10074427
  2. Roelants FM, et al. (2002) Pkh1 and Pkh2 differentially phosphorylate and activate Ypk1 and Ykr2 and define protein kinase modules required for maintenance of cell wall integrity. Mol Biol Cell 13(9):3005-28 SGD PMID 12221112
  3. Roelants FM, et al. (2010) A protein kinase network regulates the function of aminophospholipid flippases. Proc Natl Acad Sci U S A 107(1):34-9 SGD PMID 19966303
  4. Roelants FM, et al. (2011) Protein kinase Ypk1 phosphorylates regulatory proteins Orm1 and Orm2 to control sphingolipid homeostasis in Saccharomyces cerevisiae. Proc Natl Acad Sci U S A () SGD PMID 22080611
  5. Schmelzle T, et al. (2002) Yeast protein kinases and the RHO1 exchange factor TUS1 are novel components of the cell integrity pathway in yeast. Mol Cell Biol 22(5):1329-39 SGD PMID 11839800
  6. Sun Y, et al. (2000) Sli2 (Ypk1), a homologue of mammalian protein kinase SGK, is a downstream kinase in the sphingolipid-mediated signaling pathway of yeast. Mol Cell Biol 20(12):4411-9 SGD PMID 10825204
  7. deHart AK, et al. (2002) The conserved Pkh-Ypk kinase cascade is required for endocytosis in yeast. J Cell Biol 156(2):241-8 SGD PMID 11807089

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