The C-terminal domain of pol II and a DRB-sensitive kinase are required for 3' processing of U2 snRNA.
Medlin JE, Uguen P, Taylor A, Bentley DL, Murphy S. The C-terminal domain of pol II and a DRB-sensitive kinase are required for 3' processing of U2 snRNA. EMBO J. 2003 Feb 17; 22(4):925-34.