prototoxin

P3R1O1T1O1T1O1X8I1N1

noun

Any substance that is converted into a toxin

Scrabble 19
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Meanings

nounprototoxin (plural prototoxins)

plural prototoxins

  1. Any substance that is converted into a toxin

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

    2015 October 10, “Clostridium Perfringens Epsilon Toxin Binds to Membrane Lipids and Its Cytotoxic Action Depends on Sulfatide”, in PLOS ONE, →DOI

Origin

From proto- + toxin.

Full word history & related roots →
Cite this entry
APA

prototoxin. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/prototoxin

MLA

“prototoxin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/prototoxin. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “prototoxin,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/prototoxin.

Source: prototoxin on Wiktionary, CC BY-SA 4.0.