Mouse Anti-Rat kappa light chain antibody [K4F5] (AP) Cat. No. GTX04145-03 Cat. No. GTX04145-03 GTX04145-03 ELISA Image ELISA analysis of purified rat immunoglobulins using serially diluted GTX04145-03 Mouse Anti-Rat kappa light chain antibody [K4F5] (AP). See all Rat IgG products