label: RNA polymerase II CTD heptapeptide repeat S2 phosphatase activity
label_lc: rna polymerase ii ctd heptapeptide repeat s2 phosphatase activity
description: "Catalysis of the reaction: RNA polymerase II large subunit CTD heptapeptide repeat--phospho-L-serine (consensus YSPTSPS)(position 2) + H2O = RNA polymerase II large subunit + phosphate."