The parafibromin tumor suppressor protein is part of a human Paf1 complex. - Rozenblatt-Rosen,O.; Hughes,C.M.; Nannepaga,S.J.; Shanmugam,K.S.; Copeland,T.D.; Guszczynski,T.; Resau,J.H.; Meyerson,M. (Mol Cell Biol, 2005)