preferred_name: 2-4 nt.backtracking of Pol II complex on the template leading to elongation pausing (Gallus gallus)
preferred_name_lc: 2-4 nt.backtracking of pol ii complex on the template leading to elongation pausing (gallus gallus)
label: 2-4 nt.backtracking of Pol II complex on the template leading to elongation pausing (Gallus gallus)
label_lc: 2-4 nt.backtracking of pol ii complex on the template leading to elongation pausing (gallus gallus)