Article
Cysteine 3 is not the site of in vitro palmitoylation on G(salpha).
Biochemical and biophysical research communications - 2 Apr 2000
Scholich K, Yigzaw Y, Patel T B
Abstract excerpt
Several studies have examined the role of palmitoylation of G protein alpha subunits by nonenzymatic in vitro acylation using palmitoyl-CoA. Here, we investigated nonenzymatic palmitoylation of purified G(salpha) in vitro. GDP-bound G(salpha) was stoichiometrically autoacylated on cysteine residue(s) with micromolar concentrations of palmitoyl-CoA. The acylation led to a complete loss of steady-state GTPase...
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