Multiple choice

Dicumarol acts by inhibiting which of the posttranslational modifications?

  1. Glycosylation

  2. Carboxylation

  3. Amidation

  4. Hydroxylation

  5. Phosphorylation
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Dicumarol is a vitamin K antagonist that inhibits the carboxylation of glutamic acid residues in clotting factors II, VII, IX, and X. This post-translational modification is essential for their activity.

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