This gene encodes a constant regulatory subunit of protein
phosphatase 2. Protein phosphatase 2 is one of the four major
Ser/Thr phosphatases, and it is implicated in the negative control
of cell growth and division. It consists of a common heteromeric
core enzyme, which is composed of a catalytic subunit and a
constant regulatory subunit, that associates with a variety of
regulatory subunits. The constant regulatory subunit A serves as a
scaffolding molecule to coordinate the assembly of the catalytic
subunit and a variable regulatory B subunit. This gene encodes an
alpha isoform of the constant regulatory subunit A. Alternatively
spliced transcript variants have been described. [provided by
RefSeq].
