Table 2.

Putative TF sites from southwestern blot based on estimated kDa of bands

Banda	kDa	Nuclear extractsb	Corresponding TFc
I	92	NB, HeLa, HeLa+TPA	SP1
II	64	NB, HeLa, HeLa+TPA	R
III	60	PC12, HeLa, HeLa+TPA	USF1, TCERG1
IV	51	NB, HeLa	USF1, AP2, GATA1, GATA2, TCERG1
V	39	NB	GATA1, USF1, AP2, Pax4a, USF2
VI	33	NB, PC12, HeLa, HeLa + TPA	USF1, AP2, Msx1
VII	32	NB, PC12, HeLa, HeLa + TPA	USF1, AP2, Msx1
VIII	23	NB	BTEB2

^aBands named in bold face are described as “major” in Figure 2.

^bNuclear extracts for which the band appears in the southwestern.

^cTF correspondence is based on calculated band kDa ±10%.