FIGURE 3.
ErbB2, Src, and STAT3 form a complex in ErbB2 overexpressing cells. Whole cell lysates from A. 435.ErbB2 or B. SKBR3 cells were immunoprecipitated (IP) with the indicated antibodies followed by immunoblot analysis for ErbB2, STAT3, and Src. Input lanes represent 10% of total protein immunoprecipitated. Asterisk indicates IgG heavy chain.