2-4 nt.backtracking of Pol II complex on the template leading to elongation pausing (Rattus norvegicus)
2-4 nt.backtracking of pol ii complex on the template leading to elongation pausing (rattus norvegicus)
2-4 nt.backtracking of Pol II complex on the template leading to elongation pausing (Rattus norvegicus)
2-4 nt.backtracking of pol ii complex on the template leading to elongation pausing (rattus norvegicus)