Active RNA polymerases: mobile or immobile molecular machines?

Tachibana K, Takeuchi K, Inada H, Sugimoto K, Ishimoto K, Yamashita M, Maegawa T, Yamasaki D, Osada S, Tanaka T, Rakugi H, Hamakubo T, Sakai J, Kodama T, Doi T. Active RNA polymerases: mobile or immobile molecular machines? J Biochem. 2013 Sep;154(3):265-73. doi: 10.1093/jb/mvt050. Epub 2013 May 27.