Table 1. Effects of YB-1 on transforming activities of various oncoproteins in CEF.

	RCAS		YB-1
Oncoprotein	FFU/ml	EOT	FFU/ml	EOT
v-Jun	2.3 × 105	1.00	2.3 × 105	1.00
myr-P3k	1.7 × 105	1.00	1.0 × 103	0.01
myr-Akt	6.5 × 105	1.00	4.0 × 104	0.06
c-Qin	1.8 × 104	1.00	2.4 × 104	1.33
v-Src	5.7 × 105	1.00	7.5 × 105	1.32

FFU, focus-forming units; EOT, efficiency of transformation (FFU/ml on YB-1-expressing cells divided by FFU/ml on RCAS controls).