2-4 nt.backtracking of Pol II complex on the template leading to elongation pausing (Mus musculus)
2-4 nt.backtracking of pol ii complex on the template leading to elongation pausing (mus musculus)
2-4 nt.backtracking of Pol II complex on the template leading to elongation pausing (Mus musculus)
2-4 nt.backtracking of pol ii complex on the template leading to elongation pausing (mus musculus)