| plastoquinone | <plant biology> A quinone present in chloroplasts, forming part of the photosynthetic electron transport chain. Closely associated with photosystem II. May be stored in plastoglobuli. (31 Dec 1997) |
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| plastoquinone-9 | 2,3-Dimethyl-6-nonaprenyl-1,4-benzoquinone;one of a group of vitamins E and K and coenzymes Q; the isomeric form is plastochromenol-8; a participant in photosynthetic electron transport. (05 Mar 2000) |
| NAD(P)H plastoquinone oxidoreductase | <enzyme> Specified by chloroplast gene Registry number: EC 1.6.99.- Synonym: NADPH pl oxidoreductase (26 Jun 1999) |
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