RNA polymerase II CTD heptapeptide repeat peptidyl-prolyl isomerase activity
Catalysis of the reaction: RNA polymerase II large subunit CTD heptapeptide repeat (consensus YSPTSPS) cis-proline (omega=180) = RNA polymerase II large subunit trans-proline (omega=0).
GO:0003755
peptidyl-prolyl cis-trans isomerase activity
is_a
GO:0140994
RNA polymerase II CTD heptapeptide repeat modifying activity
is_a