Mouse Anti-Human lambda light chain antibody [4C2] (PE) Cat. No. GTX80281 Cat. No. GTX80281 GTX80281 FCM Image B lymphocytes (CD19+) in a dot-plot Lambda PE vs. Kappa FITC. Kappa light chain detected by A8B5 antibody and lambda light chain by 4C2 antibody, CD19 by LT19 antibody. See all Human lambda light chain products