E. coli SSB tetramer binds the first and second molecules of (dT)(35) with heat capacities of opposite sign.
Kozlov A.G. & Lohman T.M. (2010). “E. coli SSB tetramer binds the first and second molecules of (dT)(35) with heat capacities of opposite sign.” Biophys Chem. 2011 Nov;159(1):48-57. doi: 10.1016/j.bpc.2011.05.005. Epub 2011 May 12. (Abstract)