Is the following sentence factually correct?\n"Diphtheria toxin is a single, 90-kDa-molecular weight protein composed of three peptide chains, fragment A, fragment B, and fragment C."\nOptions:\n- yes\n- no
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Diphtheria toxin is a single, 60-kDa-molecular weight protein composed of two peptide chains, fragment A and fragment B. The answer is no.
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