Acetylation of prostaglandin endoperoxide synthetase with acetylsalicylic acid.

  title={Acetylation of prostaglandin endoperoxide synthetase with acetylsalicylic acid.},
  author={F J van der Ouderaa and M Buytenhek and D. H. Nugteren and D A van Dorp},
  journal={European journal of biochemistry},
  volume={109 1},
Incubation of purified prostaglandin endoperoxide synthetase from sheep vesicular glands with aspirin results in a covalent binding of the acetyl group of acetylsalicylic acid to the protein. During this acetylation, the cyclooxygenase activity is lost, but not the peroxidase activity. The reaction is completed when almost one acetyl group is bound per polypeptide chain (Mr = 68 000). After proteolysis of [3H]acetyl-protein with pronase, radioactive N-acetylserine was obtained. Originally… CONTINUE READING


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