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