prototoxin

English

Etymology

From proto- +‎ toxin.

Noun

prototoxin (plural prototoxins)

1. Any substance that is converted into a toxin
   • 2015 October 10, “Clostridium Perfringens Epsilon Toxin Binds to Membrane Lipids and Its Cytotoxic Action Depends on Sulfatide”, in PLOS ONE‎^[1], →DOI:

     Etx is synthesized as a non-active prototoxin form (proEtx) that becomes active upon proteolytic activation.