label: RNA polymerase II CTD heptapeptide repeat phosphatase activity
label_lc: rna polymerase ii ctd heptapeptide repeat phosphatase activity
description: "Catalysis of the reaction: RNA polymerase II large subunit CTD heptapeptide repeat--phospho-L-serine/threonine (consensus YSPTSPS) + H2O = RNA polymerase II large subunit + phosphate."