Stereochemical assignment of the unique electron acceptor 5'-hydroxyphylloquinone, a polar analog of vitamin K 1 in photosystem I

A unique electron-accepting analog of vitamin K found in photosystem I in several species of oxygenic photosynthetic microorganisms was confirmed to be 5'-hydroxyphylloquinone (1) through stereo-uncontrolled synthesis. Furthermore, the stereochemistry of 1 obtained from Synechococcus sp. PCC 79...

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Bibliographic Details
Published in:Bioscience, biotechnology, and biochemistry biotechnology, and biochemistry, 2017-12, Vol.81 (12), p.2244
Main Authors: Kosugi, Makiko, Lee, Changwoo, Misaki, Tomonori, Kashino, Yasuhiro, Fujita, Morifumi, Sugimura, Takashi
Format: Article
Language:English
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Summary:A unique electron-accepting analog of vitamin K found in photosystem I in several species of oxygenic photosynthetic microorganisms was confirmed to be 5'-hydroxyphylloquinone (1) through stereo-uncontrolled synthesis. Furthermore, the stereochemistry of 1 obtained from Synechococcus sp. PCC 7942 was assigned to be 5'S using proline-catalyzed stereocontrolled reactions.
ISSN:1347-6947
DOI:10.1080/09168451.2017.1385381