preferred_name: Pol II elongation complex moves on the template as transcript elongates (Gallus gallus)
preferred_name_lc: pol ii elongation complex moves on the template as transcript elongates (gallus gallus)
label: Pol II elongation complex moves on the template as transcript elongates (Gallus gallus)
label_lc: pol ii elongation complex moves on the template as transcript elongates (gallus gallus)