Figure 5: Effect of Tat peptide on binding to and internalization by T-Antigen positive cells. A. Total binding. B. Internalization. Nanoconjugates were composed of pAb416 antibody fragments and Tat peptides bound to the surface in 2:2:1, 2:6:1 or 2:0:1 ratios of antibody:Tat:NP.