Which of the following is not an AB 5 toxin-
Correct Answer: Pertussis toxin
Description: Ans. B. Pertussis toxin.a. Pertussis toxin is a 105 kDa protein composed of six subunits:b. S1 (A subunit) and B subunit consisting of S2, S3, (2) S4, and S5.c. Pertussis toxin is the most important virulence factor- helps it to evade phagocytes by inhibiting their phagocytic function and helps the bacterium to bind host cells.
Category:
Microbiology
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