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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Phosphate permeases of Saccharomyces cerevisiae.

The PHO84 and PHO89 genes of Saccharomyces cerevisiae encode two high-affinity phosphate cotransporters of the plasma membrane. Hydropathy analysis suggests a secondary structure arrangements of the proteins in 12 transmembrane domains. The derepressible Pho84 and Pho89 transporters appear to have characteristic similarities with the phosphate transporters of Neurospora crassa. The Pho84 protein catalyzes a proton-coupled phosphate transport at acidic pH, while the Pho89 protein catalyzes a sodium-dependent phosphate uptake at alkaline pH. The Pho84 transporter can be stably overproduced in the cytoplasmic membrane of Escherichia coli, purified and reconstituted in a functional state into proteoliposomes.[1]


  1. Phosphate permeases of Saccharomyces cerevisiae. Persson, B.L., Berhe, A., Fristedt, U., Martinez, P., Pattison, J., Petersson, J., Weinander, R. Biochim. Biophys. Acta (1998) [Pubmed]
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