TABLE 2.

Identification by mass spectrometry of Smad2/3 and FoxL2 from αT3-1 lysates following oligonucleotide pulldown with biotinylated probes that incorporate a wild type or a mutant SBE1

	Gel slicesa				MudPITb
	Wild type		Mutant		Wild type		Mutant
	Basal	Activin A	Basal	Activin A	Basal	Activin A	Basal	Activin A
Smad2/3		79-99c				99-201	NDd	ND
FoxL2	77-109	83-97	72-87	78-84	159-205	202-253	ND	ND

^aThree independent experiments were performed.

^bTwo independent experiments were performed.

^cIndividual ion scores of peptides >42 indicate identity or extensive homology (p < 0.05) to the identified protein.

^dND, not determined.