immunotoxin

https://doi.org/10.1351/goldbook.13326
Biochemical conjugate, or recombinant fusion protein, consisting of an immune targeting molecule such as an antibody or antibody fragment together with a cytotoxic molecule.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1192 [Terms] [Paper]