Pseudomonas exotoxin
Exotoxin produced by Pseudomonas aeruginosa
From Wikipedia, the free encyclopedia
The Pseudomonas exotoxin (or exotoxin A) is an exotoxin produced by Pseudomonas aeruginosa.[1] Vibrio cholerae produces a similar protein called the Cholix toxin (Q5EK40).[2]
It inhibits elongation factor-2. It does so by ADP-ribosylation of EF2 using NAD+. This then causes the elongation of polypeptides to cease. This mechanism is similar to that of diphtheria toxin.[3]
It has been investigated as a treatment for hepatitis B[4] and cancer.[5]
