We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleHuman DNA ligase I completely encircles and partially unwinds nicked DNA.AuthorsPascal JM; O'Brien PJ; Tomkinson AE; Ellenberger TPublicationNature, 2004, Vol 432, Issue 7016, p473ISSN1476-4687Publication typearticleDOI10.1038/nature03082