serine/threonine protein phosphatase, putative. Identical to Serine/threonine-protein phosphatase PP1 isozyme 9 (TOPP9) [Arabidopsis Thaliana] (GB:Q9M9W3); similar to TOPP8 (Type one serine/threonine protein phosphatase 8), protein serine/threonine phosphatase [Arabidopsis thaliana] (TAIR:AT5G27840.1); similar to Serine/threonine-protein phosphatase PP1 (GB:P48490); contains InterPro domain Metallophosphoesterase; (InterPro:IPR004843); contains InterPro domain Serine/threonine-specific protein phosphatase and bis(5-nucleosyl)-tetraphosphatase; (InterPro:IPR006186)