An unusual eukaryotic protein phosphatase required for transcription by RNA polymerase II and CTD dephosphorylation in S. cerevisiae. by Kobor, MS, Archambault, J, Lester, W, Holstege, F, Gileadi, O, Jansma, D, Jennings, E, Kouyoumdjian, F, Davidson, A, Young, R, Greenblatt, J