Literature summary for 1.14.19.39 extracted from

Carlsson, A.S.; Thomaeus, S.; Hamberg, M.; Stymne, S.
Properties of two multifunctional plant fatty acid acetylenase/desaturase enzymes (2004), Eur. J. Biochem., 271, 2991-2997.

Search for more literature for 1.14.19.39

Cloned(Commentary)

Cloned (Comment)	Organism
gene CREP1, expression in Arabidopsis thaliana and in Saccharomyces cerevisiae, determination and identification of fatty acid content of transgenic plant lines and yeast strains	Crepis alpina

Organism

Organism	UniProt	Comment	Textmining
Crepis alpina	-	gene and enzyme CREP1	-

Reaction

Reaction	Comment	Organism	Reaction ID
linoleoyl-[glycerolipid] + 2 ferrocytochrome b5 + O2 + 2 H+ = crepenynyl-[glycerolipid] + 2 ferricytochrome b5 + 2 H2O	stereochemical mechanism in reaction with oleate	Crepis alpina	a

Substrates and Products (Substrate)

Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
linoleate + reduced acceptor + O2	enzyme is equally efficient with linoleate and oleate	Crepis alpina	crepenynate + acceptor + H2O	-	?
oleate + reduced acceptor + O2	enzyme is equally efficient with linoleate and oleate, via intermediates 9(Z),12(E)-octadecadienoate and 9,12(Z)-octadecadienoate, only the latter of which is further catalysed to give crepenynate, i.e. 9(Z)-octadecen-12-ynoate	Crepis alpina	crepenynate + acceptor + H2O	product enantiomers in a ration of 3:1	?

Synonyms

Synonyms	Comment	Organism
CREP1	-	Crepis alpina
DELTA12 acetylenase	-	Crepis alpina

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Release 2023.1 (January 2023)