preferred_name: POLK and POLZ cooperate in elongation of mispaired primer termini (Gallus gallus)
preferred_name_lc: polk and polz cooperate in elongation of mispaired primer termini (gallus gallus)
label: POLK and POLZ cooperate in elongation of mispaired primer termini (Gallus gallus)
label_lc: polk and polz cooperate in elongation of mispaired primer termini (gallus gallus)