2-4 nt.backtracking of Pol II complex on the template leading to elongation pausing (Caenorhabditis elegans)
2-4 nt.backtracking of pol ii complex on the template leading to elongation pausing (caenorhabditis elegans)
2-4 nt.backtracking of Pol II complex on the template leading to elongation pausing (Caenorhabditis elegans)
2-4 nt.backtracking of pol ii complex on the template leading to elongation pausing (caenorhabditis elegans)