Kaiping, S.; Soll, Jürgen; Schultz, Gernot
(1984):
Site of methylation of 2-phytyl-1,4-naphthoquinol in phylloquinone (vitamin K1) synthesis in spinach chloroplasts.
In: Phytochemistry, Volume 23, Issue 1, 1984, Pages 89-91, Vol. 23, No. 1: pp. 89-91
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Abstract
Phylloquinol (the quinol form of vitamin K1) is synthesized from 2-phytyl-1,4-naphthoquinol and S-adenosylmethionine at the thylakoid membranes of spinach chloroplasts. The addition of soluble stroma protein (chloroplast extract) is necessary S-Adenosylhomocysteine acts as strong competitive inhibitor.