YOR371C
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| Systematic name | YOR371C |
| Gene name | GPB1 |
| Aliases | KRH2 |
| Feature type | ORF, Verified |
| Coordinates | Chr XV:1034182..1031489 |
| Primary SGDID | S000005898 |
Description of YOR371C: Multistep regulator of cAMP-PKA signaling; inhibits PKA downstream of Gpa2p and Cyr1p, thereby increasing cAMP dependency; promotes ubiquitin-dependent proteolysis of Ira2p; regulated by G-alpha protein Gpa2p; GPB1 has a paralog, GPB2, that arose from the whole genome duplication[1][2][3][4][5][6][7]
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References
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- Jump up ↑ Batlle M, et al. (2003) Krh1p and Krh2p act downstream of the Gpa2p G(alpha) subunit to negatively regulate haploid invasive growth. J Cell Sci 116(Pt 4):701-10 SGD PMID 12538771
- Jump up ↑ Byrne KP and Wolfe KH (2005) The Yeast Gene Order Browser: combining curated homology and syntenic context reveals gene fate in polyploid species. Genome Res 15(10):1456-61 SGD PMID 16169922
- Jump up ↑ Harashima T and Heitman J (2002) The Galpha protein Gpa2 controls yeast differentiation by interacting with kelch repeat proteins that mimic Gbeta subunits. Mol Cell 10(1):163-73 SGD PMID 12150916
- Jump up ↑ Harashima T, et al. (2006) The kelch proteins Gpb1 and Gpb2 inhibit Ras activity via association with the yeast RasGAP neurofibromin homologs Ira1 and Ira2. Mol Cell 22(6):819-30 SGD PMID 16793550
- Jump up ↑ Lu A and Hirsch JP (2005) Cyclic AMP-independent regulation of protein kinase A substrate phosphorylation by Kelch repeat proteins. Eukaryot Cell 4(11):1794-800 SGD PMID 16278446
- Jump up ↑ Peeters T, et al. (2006) Kelch-repeat proteins interacting with the Galpha protein Gpa2 bypass adenylate cyclase for direct regulation of protein kinase A in yeast. Proc Natl Acad Sci U S A 103(35):13034-9 SGD PMID 16924114
- Jump up ↑ Phan VT, et al. (2010) The RasGAP proteins Ira2 and neurofibromin are negatively regulated by Gpb1 in yeast and ETEA in humans. Mol Cell Biol 30(9):2264-79 SGD PMID 20160012
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