We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleDirect observation of base-pair stepping by RNA polymerase.AuthorsAbbondanzieri EA; Greenleaf WJ; Shaevitz JW; Landick R; Block SMPublicationNature, 2005, Vol 438, Issue 7067, p460ISSN1476-4687Publication typearticleDOI10.1038/nature04268