

Y300375 by Applied Biological Materials Inc. (ABM) is a mouse monoclonal IgG antibody (clone 157B) targeting FOXP3, the master transcription factor of regulatory T cells (Tregs), validated for IHC at 1:1,000–1:3,000 in human samples. Protein A/G purified, 1 µg/µL, 100 µg format. Suited for Treg quantification in tumor sections and autoimmune tissue studies.