YLR079W
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| Systematic name | YLR079W |
| Gene name | SIC1 |
| Aliases | SDB25 |
| Feature type | ORF, Verified |
| Coordinates | Chr XII:286821..287675 |
Description of YLR079W: Inhibitor of Cdc28-Clb kinase complexes that controls G1/S phase transition, preventing premature S phase and ensuring genomic integrity; phosphorylation targets Sic1p for SCF(CDC4)-dependent turnover; functional homolog of mammalian Kip1[1][2][3][4][5][6][7][8][9]
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Protein Details
Protein Modification
Modification(s): Phosphorylation
Identified as an efficient substrate of Clb2-Cdk1-as1 in a screen of a proteomic GST-fusion library. [10] [11]
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References
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- ↑ Barberis M, et al. (2005) The yeast cyclin-dependent kinase inhibitor Sic1 and mammalian p27Kip1 are functional homologues with a structurally conserved inhibitory domain. Biochem J 387(Pt 3):639-47 SGD PMID 15649124
- ↑ Nash P, et al. (2001) Multisite phosphorylation of a CDK inhibitor sets a threshold for the onset of DNA replication. Nature 414(6863):514-21 SGD PMID 11734846
- ↑ Verma R, et al. (1997) Phosphorylation of Sic1p by G1 Cdk required for its degradation and entry into S phase. Science 278(5337):455-60 SGD PMID 9334303
- ↑ Skowyra D, et al. (1997) F-box proteins are receptors that recruit phosphorylated substrates to the SCF ubiquitin-ligase complex. Cell 91(2):209-19 SGD PMID 9346238
- ↑ Mendenhall MD (1993) An inhibitor of p34CDC28 protein kinase activity from Saccharomyces cerevisiae. Science 259(5092):216-9 SGD PMID 8421781
- ↑ Donovan JD, et al. (1994) P40SDB25, a putative CDK inhibitor, has a role in the M/G1 transition in Saccharomyces cerevisiae. Genes Dev 8(14):1640-53 SGD PMID 7958845
- ↑ Nugroho TT and Mendenhall MD (1994) An inhibitor of yeast cyclin-dependent protein kinase plays an important role in ensuring the genomic integrity of daughter cells. Mol Cell Biol 14(5):3320-8 SGD PMID 8164683
- ↑ Schwob E, et al. (1994) The B-type cyclin kinase inhibitor p40SIC1 controls the G1 to S transition in S. cerevisiae. Cell 79(2):233-44 SGD PMID 7954792
- ↑ Feldman RM, et al. (1997) A complex of Cdc4p, Skp1p, and Cdc53p/cullin catalyzes ubiquitination of the phosphorylated CDK inhibitor Sic1p. Cell 91(2):221-30 SGD PMID 9346239
- ↑ Ubersax JA, et al. (2003) Targets of the cyclin-dependent kinase Cdk1. Nature 425(6960):859-64 SGD PMID 14574415
- ↑ submitted by Jeff Ubersax on 2004-01-29
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