preferred_name: POLK and POLZ cooperate in elongation of mispaired primer termini (Sus scrofa)
preferred_name_lc: polk and polz cooperate in elongation of mispaired primer termini (sus scrofa)
label: POLK and POLZ cooperate in elongation of mispaired primer termini (Sus scrofa)
label_lc: polk and polz cooperate in elongation of mispaired primer termini (sus scrofa)