Table I.

The number of molecules of each αEGFR[scFv] fusion protein per cell in each fraction, as estimated by quantitative immunoblotting with anti-FLAG IgG.

	Mean ± SD (105 molecules/cell)
	c	n
αEGFR[scFv]	25.0 ± 10.8	4.7 ± 2.5
αEGFR[scFv]-NLS	14.4 ± 6.1	3.5 ± 2.0
αEGFR[scFv]-B18	14.8 ± 5.2	1.2 ± 0.6
αEGFR[scFv]-B18-NLS	8.3 ± 3.6	1.6 ± 0.6
αEGFR[scFv]-B55	11.6 ± 3.2	1.2 ± 0.5
αEGFR[scFv]-B55-NLS	12.4 ± 5.0	1.8 ± 0.8
αEGFR[scFv]-TAT	18.6 ± 8.3	2.4 ± 1.0
αEGFR[scFv]-TAT-NLS	13.4 ± 5.4	2.6 ± 1.0

c, the cell lysate excluding nuclear proteins (non-nuclear fraction); n, nuclear fraction. N = 5.