preferred_name: POLK and POLZ cooperate in elongation of mispaired primer termini (Bos taurus)
preferred_name_lc: polk and polz cooperate in elongation of mispaired primer termini (bos taurus)
label: POLK and POLZ cooperate in elongation of mispaired primer termini (Bos taurus)
label_lc: polk and polz cooperate in elongation of mispaired primer termini (bos taurus)