Literature summary for 4.2.1.B8 extracted from

Grechkin, A.N.; Ilyasov, A.V.; Hamberg, M.
On the mechanism of biosynthesis of divinyl ether oxylipins by enzyme from garlic bulbs (1997), Eur. J. Biochem., 245, 137-142.

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Localization

Localization	Comment	Organism	GeneOntology No.	Textmining
microsome	-	Allium sativum	-	-

Organism

Organism	UniProt	Comment	Textmining
Allium sativum	-	-	-

Substrates and Products (Substrate)

Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
(9Z,11E,13S)-13-hydroperoxy-9,11-octadecadienoate	the S enantiomer is a much better substrate for the divinyl ether synthase compared to the R enantiomer. Incubation of (9Z,11E,13S)-[18O2]hydroperoxy-9,11-octadecadienoic acid leads to the formation of etheroleic acid which retains 18O in the ether oxygen. An intermediary role of an epoxyallylic cation in etheroleic acid biosynthesis is postulated	Allium sativum	(9Z,11E)-12-[(1E)-hex-1-en-1-yloxy]dodeca-9,11-dienoic acid + (9E,11E)-12-[(1E)-hex-1-en-1-yloxy]dodeca-9,11-dienoic acid + H2O	two isomers of etheroleic acid are isolated	?
(9Z,11E,13S,15Z)-13-hydroperoxy-9,11,15-octadecatrienoate	-	Allium sativum	(9Z,11E)-12-[(1E,3Z)-hexa-1,3-dien-1-yloxy]dodeca-9,11-dienoic acid + H2O	i.e. etherolenic acid	?

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Release 2023.1 (January 2023)