Western Blot: Smad2 phosphospecific Antibody [NBP1-04982] - Western blot analysis of extract from Hela cells untreated or treated with IL-4(100ng/mL, 30min), using Smad2 (Ab-220) Antibody (NBP1-04981, Lanes 1 and 2) and Smad2 (Phospho-Thr220) Antibody (NBP1-04982, Lanes 3 and 4).