The possible involvement of a peroxidase in prostaglandin biosynthesis |
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Authors: | Peter J OBrien Anver Rahimtula |
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Institution: | Department of Biochemistry Memorial University of Newfoundland St. John''s, Newfoundland, Canada |
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Abstract: | Sheep vesicular gland microsomes have been found to have an unusual peroxidase activity with a wide peroxide specificity and capable of oxidizing cofactors of prostaglandin synthetase. The peroxidase was also similar to the synthetase in its cellular location, its activation by hemin, inhibition by heme ligands and its inactivation by different peroxides. The inhibition by 2,7-naphthalenediol (Ki = 2 μM) also suggests that the peroxidase is an integral part of the synthetase complex. |
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Keywords: | SVG sheep vesicular glands TMPD NDGA nordihydroguaiaretic acid |
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