This enzyme, found in green sulfur bacteria (Chlorobiaceae) and green flimentous bacteria (Chloroflexaceae), is involved in the biosynthesis of bacteriochlorophylls?c,?d?and?e. It acts it the direction of hydration, and the hydroxyl group that is formed is essential for the ability of the resulting bacteriochlorophylls to self-aggregate in the chlorosomes, unique light-harvesting antenna structures found in these organisms.
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A bacteriochlorophyllide d = a 3-de(1-hydroxyethyl)-3- vinylbacteriochlorophyllide d + H(2)O.
