Mouse Anti-Human kappa light chain antibody [SB81a] (AP) Cat. No. GTX04189-03 Cat. No. GTX04189-03 GTX04189-03 ELISA Image ELISA analysis of purified human immunoglobulins using serially diluted GTX04189-03 Mouse Anti-Human kappa light chain antibody [SB81a] (AP). See all Human IgG products