Proteins with selective toxicity have been investigated for use in many ways. One class of proteins, ribosome-inactivating proteins (RIPs), is found throughout the plant kingdom as well as in lower organisms like certain ...

Abrin is a potent toxin obtained from the seeds of Abrus precatorius. It is a heterodimeric glycoprotein consisting of an A and a B subunit linked together by a disulfide bond. The toxicity of the protein comes from the A ...