Saccharomyces cerevisiae putative G protein, Gtr1p, which forms complexes with itself and a novel protein designated as Gtr2p, negatively regulates the Ran/Gsp1p G protein cycle through Gtr2p.
Nakashima N, Noguchi E, Nishimoto T
Genetics. 1999 Jul . 152(3):853-67.
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PubMed