A flexible interface between DNA ligase and PCNA supports conformational switching and efficient ligation of DNA.

Pascal J.M., Tsodikov O.V., Hura G.L., Song W., Cotner E.A., Classen S., Tomkinson A.E., Tainer J.A., & Ellenberger T. (2006). “A flexible interface between DNA ligase and PCNA supports conformational switching and efficient ligation of DNA.” Mol Cell. 2006 Oct 20;24(2):279-91. (Abstract)