. . . . . . . . . . . . . . . . . . . . . . . . . . . . "ctk1_yeast"^^ . "YKL139W"^^ . "CTK1"^^ . "CTD kinase subunit 1"^^ . "CTD kinase 58 kDa subunit"^^ . . "CTD kinase subunit alpha"^^ .