RNA polymerase II CTD heptapeptide repeat T4 phosphatase activity
RNA polymerase II C-terminal domain T4 phosphatase activity
exact
Catalysis of the reaction: RNA polymerase II large subunit CTD heptapeptide repeat--phospho-L-threonine (consensus YSPTSPS)(position 4) + H2O = RNA polymerase II large subunit + phosphate.
GO:0008420
RNA polymerase II CTD heptapeptide repeat phosphatase activity
is_a
SPBC776.02c