Mutation of the C-terminal leucine residue of PP2Ac inhibits PR55/B subunit binding and confers supersensitivity to microtubule destabilization in Saccharomyces cerevisiae.

Abstract excerpt

Protein phosphatase 2A is ubiquitous among eukaryotes and exists as a family of holoenzymes in which the catalytic subunit. PP2Ac, binds a variety of regulatory subunits. Using the yeast Saccharomyces cerevisia, we have investigated the role of the phylogenetically invariant C-terminal leucine residue of PP2Ac, which, in mammalian cells, undergoes reversible methylation and modulates binding of the PR55/B...

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