YLL043W
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| Systematic name | YLL043W |
| Gene name | FPS1 |
| Aliases | |
| Feature type | ORF, Verified |
| Coordinates | Chr XII:49937..51946 |
| Primary SGDID | S000003966 |
Description of YLL043W: Plasma membrane glycerol channel, member of the major intrinsic protein (MIP) family of channel proteins; involved in efflux of glycerol and in uptake of the trivalent metalloids arsenite and antimonite[1][2][3]
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Contents
Community Commentary
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Protein Details
Protein Function/Process
Disruption of the FPS1 gene for the aquaglyceroporin Fps1p reduced uptake of 73As(III) into cells, conferring resistance to arsenite. The arsenate-resistant phenotype could be functionally complemented by expression of AQP9, a mammalian homologue [4] [5]
The main role of Fps1 is export of glycerol for osmoregulation. Fps1 transport function is gated to ensure glycerol accummulation and glycerol release depending on osmotic conditions.
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References
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- ↑ Wysocki R, et al. (2001) The glycerol channel Fps1p mediates the uptake of arsenite and antimonite in Saccharomyces cerevisiae. Mol Microbiol 40(6):1391-401 SGD PMID 11442837
- ↑ Luyten K, et al. (1995) Fps1, a yeast member of the MIP family of channel proteins, is a facilitator for glycerol uptake and efflux and is inactive under osmotic stress. EMBO J 14(7):1360-71 SGD PMID 7729414
- ↑ Tamas MJ, et al. (1999) Fps1p controls the accumulation and release of the compatible solute glycerol in yeast osmoregulation. Mol Microbiol 31(4):1087-104 SGD PMID 10096077
- ↑ Liu Z, et al. (2002) Arsenite transport by mammalian aquaglyceroporins AQP7 and AQP9. Proc Natl Acad Sci U S A 99(9):6053-8 SGD PMID 11972053
- ↑ submitted by Barry Rosen on 2003-07-31
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References
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