Tags: Protein.
Serine/threonine-protein phosphatase 2A regulatory subunit B’ is an enzyme that in humans is encoded by the PPP2R4 gene.Protein phosphatase 2A is one of the four major Ser/Thr phosphatases and is implicated in the negative control of cell growth and division. Protein phosphatase 2A holoenzymes are heterotrimeric proteins composed of a structural subunit A a catalytic subunit C and a regulatory subunit B.