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