TABLE 1.

FRET versus colocalization

Group	% Rev colocalization	% FRET efficiency
Rev-free	5 ± 8 (40)	0 ± 2 (6)
Rev-Tat	60 ± 23 (40)	5 ± 4 (10)
Rev-Rev	98 ± 4 (40)	25 ± 3 (14)

Mean ± SD (number of cells).