Phosphatase Subfamily PPP2C

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Phosphatase Classification: Fold MTDP: Superfamily PPP: Family PPP: Subfamily PPP2C (PP2A)

PPP2C, also known as PP2A, regulates various cellular processes including different signaling pathways, cell cycle progression, DNA replication, gene transcription and protein translation. It is considered to be a principal guardian against tumorigenic transformation. Some viruses target this protein to hijack the host cell.

PPP2C controls the activity of at least 50 different kinases by directly interaction or linked via a anchoring protein. PPP2C not only integrate signals within phoshorylation cascades but also to be the focal point of a distinct post-translational modification, reversible protein methylation.

The catalytic subunit binds to a regulatory subunit PR65 or A subunit, and sometimes a third variable subunit, resulting in a total of about 75 different holoenzyme compositions.

Read more on the genes of PPP2C subfamily: PPH22 (yeast).

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