FIG. 7.

Detection of capsids on the cell surface. Pseudovirions were bound to HaCaT cells for 1 h at 4°C in suspension. Unbound virions were removed by extensive washing, and bound virions were detected with an irrelevant antibody, 5B6, as a negative control, or one of the three MAbs of interest and a fluorescein isothiocyanate-conjugated secondary antibody. The mean fluorescent signal is shown in parentheses below the antibody indicated. The data presented are representative of the results of three separate experiments.