Isolation of an activator for prostaglandin hydroperoxidase from bovine vesicular gland cytosol and its identification as uric acid. |
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| Authors: | N Ogino S Yamamoto O Hayaishi T Tokuyama |
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| Affiliation: | 1. Department of Medical Chemistry, Kyoto University Faculty of Medicine, Sakyo-ku, Kyoto 606, Japan;2. Department of Chemistry, Osaka City University Faculty of Science, Osaka 558, Japan |
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| Abstract: | The enzymatic conversion of prostaglandin G1 to H1 was stimulated by an activator present in the cytosol of bovine vesicular gland. The activator was purified by Sephadex G-25 gel filtration and Dowex 1 column chromatography. The purified activator was identified to be uric acid by thin layer chromatography, ultraviolet and infrared absorption spectroscopy and combined gas chromatography-mass spectroscopy. Among various purine compounds tested, only uric acid and 2,8-dihydroxyadenine were active. |
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