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