The following antibodies were used for immunoblot analysis:
anti-Ikaros (mouse mAb clone 4E9; from K. Georgopoulos, Harvard University),
anti-TBP (mouse mAb clone 3TF1-3G3; Active Motif) and for cell stimulation or intracellular staining: anti-Igβ (Armenian hamster IgG2 mAb clone HM79; from Hajime Karasuyama, Tokyo), anti-TCRγδ (Armenian hamster IgG2 mAb clone GL-3),
anti-pAkt (S473, D9E; Cell Signaling Technology), anti-pErk1/2 (T202/Y204, 20A; BD Bioscience), anti-Aiolos (8B2; eBioscience),
anti-Ikaros (2A9, Biolegend;
Supplementary Fig. 1f,g) and the rabbit polyclonal
anti-Ikaros antibody (5443; Cell Signaling;
Supplementary Fig. 8d,e).
Schwickert T.A., Tagoh H., Gültekin S., Dakic A., Axelsson E., Minnich M., Ebert A., Werner B., Roth M., Cimmino L., Dickins R.A., Zuber J., Jaritz M, & Busslinger M. (2014). Stage-specific control of early B cell development by the transcription factor Ikaros. Nature immunology, 15(3), 283-293.