taplitumomab paptox taplitumomab paptox taplitumomab paptox is a mouse monoclonal antibody. the antibody itself, taplitumomab, is linked to the protein pap, an antiviral from phytolacca americana, a species of pokeweed. this is reflected by the 'paptox' in the drug's name. taplitumomab paptoxmonoclonal antibodytypewhole antibodysourcemousetargetcd19clinical dataatc codenoneidentifierscas number235428-87-2 ychemspidernoneuniiar3ulb33zz ny (what is this?) (verify)