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Literature summary extracted from

  • Sperling, P.; Lee, M.; Girke, T.; Zaehringer, U.; Stymne, S.; Heinz, E.
    A bifunctional delta-fatty acyl acetylenase/desaturase from the moss Ceratodon purpureus. A new member of the cytochrome b5 superfamily (2000), Eur. J. Biochem., 267, 3801-3811.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
1.14.19.26 expressed in Saccharomyces cerevisiae strain InvSc1 Ceratodon purpureus
1.14.19.38 expressed in Saccharomyces cerevisiae strain InvSc1 Ceratodon purpureus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.14.19.26 alpha-linolenic acid + ferrocytochrome b5 + O2 + H+ Ceratodon purpureus
-
stearidonic acid + ferricytochrome b5 + H2O
-
?
1.14.19.38 gamma-linolenoyl-[glycerolipid] + ferrocytochrome b5 + O2 + H+ Ceratodon purpureus
-
(9Z,12Z)-octadeca-9,12-dien-6-ynoyl-[glycerolipid] + ferricytochrome b5 + H2O
-
?
1.14.19.38 additional information Ceratodon purpureus the bifunctional enzyme can introduce a DELTA6-cis-double bond into 9,12,(15)-C18-polyenoic acids as well as converting a DELTA6-cis-double bond to a DELTA6-triple bond ?
-
?
1.14.19.38 stearidonoyl-[glycerolipid] + ferrocytochrome b5 + O2 + H+ Ceratodon purpureus
-
(9Z,12Z,15Z)-octadeca-9,12,15-trien-6-ynoyl-[glycerolipid] + ferricytochrome b5 + H2O
-
?

Organism

EC Number Organism UniProt Comment Textmining
1.14.19.26 Ceratodon purpureus A7UFH0
-
-
1.14.19.38 Ceratodon purpureus
-
-
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.14.19.26 alpha-linolenic acid + ferrocytochrome b5 + O2 + H+
-
Ceratodon purpureus stearidonic acid + ferricytochrome b5 + H2O
-
?
1.14.19.26 additional information the fatty acids 16:3DELTA7,10,13, 20:2DELTA8,11, 20:3DELTA8,11,14 and 20:4DELTA5,8,11,14 do not serve as substrates Ceratodon purpureus ?
-
?
1.14.19.26 oleic acid + ferrocytochrome b5 + O2 + H+
-
Ceratodon purpureus ?
-
?
1.14.19.26 palmitoleic acid + ferrocytochrome b5 + O2 + H+
-
Ceratodon purpureus ?
-
?
1.14.19.38 gamma-linolenoyl-[glycerolipid] + ferrocytochrome b5 + O2 + H+
-
Ceratodon purpureus (9Z,12Z)-octadeca-9,12-dien-6-ynoyl-[glycerolipid] + ferricytochrome b5 + H2O
-
?
1.14.19.38 additional information the bifunctional enzyme can introduce a DELTA6-cis-double bond into 9,12,(15)-C18-polyenoic acids as well as converting a DELTA6-cis-double bond to a DELTA6-triple bond Ceratodon purpureus ?
-
?
1.14.19.38 stearidonoyl-[glycerolipid] + ferrocytochrome b5 + O2 + H+
-
Ceratodon purpureus (9Z,12Z,15Z)-octadeca-9,12,15-trien-6-ynoyl-[glycerolipid] + ferricytochrome b5 + H2O
-
?

Synonyms

EC Number Synonyms Comment Organism
1.14.19.26 DELTA6-sphingolipid desaturase
-
Ceratodon purpureus
1.14.19.26 DES6
-
Ceratodon purpureus
1.14.19.38 DELTA6-fatty acyl desaturase
-
Ceratodon purpureus
1.14.19.38 DES6
-
Ceratodon purpureus

Cofactor

EC Number Cofactor Comment Organism Structure
1.14.19.26 cytochrome b5
-
Ceratodon purpureus
1.14.19.38 cytochrome b5
-
Ceratodon purpureus