PP2A (SERINE/THREONINE PROTEIN PHOSPHATASE 2A); protein serine/threonine phosphatase. Identical to Serine/threonine-protein phosphatase PP2A-5 catalytic subunit (PP2A5) [Arabidopsis Thaliana] (GB:O04951;GB:Q1EC63;GB:Q42544); similar to PP2A-1 (protein phosphatase 2A-2), protein serine/threonine phosphatase [Arabidopsis thaliana] (TAIR:AT1G59830.1); similar to protein phosphatase 2A catalytic subunit [Lycopersicon esculentum] (GB:AAQ67226.1); contains InterPro domain Metallophosphoesterase; (InterPro:IPR004843); contains InterPro domain Serine/threonine-specific protein phosphatase and bis(5-nucleosyl)-tetraphosphatase; (InterPro:IPR006186)