Article
Dual lipid modification of the yeast ggamma subunit Ste18p determines membrane localization of Gbetagamma.
Molecular and cellular biology - 1 Nov 1999
Hirschman J E, Jenness D D
Abstract excerpt
The pheromone response in the yeast Saccharomyces cerevisiae is mediated by a heterotrimeric G protein. The Gbetagamma subunit (a complex of Ste4p and Ste18p) is associated with both internal and plasma membranes, and a portion is not stably associated with either membrane fraction. Like Ras, Ste18p contains a farnesyl-directing CaaX box motif (C-terminal residues 107 to 110) and a cysteine residue (Cys 106) that...
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