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- Publisher
- Oxford University Press
- Copyright
- Copyright © 2021 American Society of Plant Biologists
- ISSN
- 0032-0889
- eISSN
- 1532-2548
- DOI
- 10.1104/pp.100.1.529
- Publisher site
- See Article on Publisher Site
Abstract
Abstract A new assay for measuring protein-methionine-S-oxide reductase is reported. The assay measures the conversion of N-(9-fluorenylmethoxycarbonyl)-methionine sulfoxide to N-(9-fluorenylmethoxycarbonyl)-methionine using fluorescence detection after high-performance liquid chromatography separation. Enzyme activity is linear over a 60-min period and the assay is sensitive enough to detect the consumption of only 1% of available substrate. Protein-methionine-S-oxide reductase activity was demonstrated in pea (Pisum sativum L.) chloroplasts, and enzyme levels in leaves of etiolated and light-grown seedlings were compared. 1 This work was supported by grant 90-37280-5462 from the National Research Institute Competitive Grants Program/U.S. Department of Agriculture. This content is only available as a PDF. © 1992 American Society of Plant Biologists This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model)
Journal
Plant Physiology – Oxford University Press
Published: Sep 1, 1992