The virulent form of bubonic plague carries a protein called YopH. Which of the following is true?
A) YopH functions as a MAPK specific inhibitor.
B) YopH functions as a Ras inhibitor.
C) YopH functions as a receptor tyrosine kinase.
D) YopH functions as a protein tyrosine phosphatase.
E) YopH functions as ß propeller.
Answer: D) YopH functions as a protein tyrosine phosphatase.
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