Table 1. Core components of yeast protein phosphatase 2A (PP2A) and protein phosphatase 4 (PP4)
PP2AaPP4b
SubunitTypeSubunitType
Pph21CatalyticPph3Catalytic
Pph22Catalytic
Tpd3ScaffoldPsy2Scaffold/regulatory
Cdc55RegulatoryPsy4Scaffold/regulatory
Rts1Regulatory
  • From Jiang (2006).

  • From Cohen et al (2005).