CD22 Monoclonal antibody 200 ug. CD22 Monoclonal antibody, Clone: Epratuzumab, Host: Recombinant, Species reactivity: Human, Rhesus Monkey, Isotype: IgG1, kappa, Immunogen: antibody was prepared by the humanization of LL2 (EPB-2), a murine CD22 IgG2a, Synonym: LymphoCide, Size: 200 ug