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Literature summary for 1.13.11.60 extracted from

  • Garscha, U.; Oliw, E.H.
    Leucine/valine residues direct oxygenation of linoleic acid by (10R)- and (8R)-dioxygenases: expression and site-directed mutagenesis oF (10R)-dioxygenase with epoxyalcohol synthase activity (2009), J. Biol. Chem., 284, 13755-13765.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expression in SF21 cells Gaeumannomyces graminis

Protein Variants

Protein Variants Comment Organism
E384A mutant forms only traces of (8R,9Z,12Z)-8-hydroperoxy-9,12-octadecadienoate Gaeumannomyces graminis
I375A mutant has virtually no dioxygenase activity Gaeumannomyces graminis
L334V inactive mutant enzyme Gaeumannomyces graminis
V330L the wild-type enzyme forms 98% (8R,9Z,12Z)-8-hydroperoxy-9,12-octadecadienoate and 2% (8E,10R,12Z)-10-hydroperoxy-9,12-octadecadienoate. The V330L mutation augments the formation of (8E,10R,12Z)-10-hydroperoxy-8,12-octadecadienoate 3fold Gaeumannomyces graminis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
linoleate + O2 Gaeumannomyces graminis i.e. (9Z,12Z)-octadeca-9,12-dienoate (8R,9Z,12Z)-8-hydroperoxy-9,12-octadecadienoate
-
?

Organism

Organism UniProt Comment Textmining
Gaeumannomyces graminis
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
linoleate + O2 i.e. (9Z,12Z)-octadeca-9,12-dienoate Gaeumannomyces graminis (8R,9Z,12Z)-8-hydroperoxy-9,12-octadecadienoate
-
?
linoleate + O2 i.e. (9Z,12Z)-octadeca-9,12-dienoate Gaeumannomyces graminis (8R,9Z,12Z)-8-hydroperoxy-9,12-octadecadienoate the wild-type enzyme forms 98% (8R,9Z,12Z)-8-hydroperoxy-9,12-octadecadienoate and 2% (10R,9Z,12Z)-8-hydroperoxy-9,12-octadecadienoate. The V330L mutation augments the formation of (10R,9Z,12Z)-8-hydroperoxy-9,12-octadecadienoate 3fold ?

Synonyms

Synonyms Comment Organism
7,8-LDS bifunctional enzyme Gaeumannomyces graminis
7,8-linoleate diol synthase bifunctional enzyme Gaeumannomyces graminis