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1.14.19.46: sn-1 linoleoyl-lipid 6-desaturase

This is an abbreviated version!
For detailed information about sn-1 linoleoyl-lipid 6-desaturase, go to the full flat file.

Reaction

a 1-linoleoyl-2-acyl-[glycerolipid]
+ 2 reduced ferredoxin [iron-sulfur] cluster +
O2
+ 2 H+ =
a 1-gamma-linolenoyl-2-acyl-[glycerolipid]
+ 2 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O

Synonyms

DELTA6 desaturase, DELTA6-acyl-lipid desaturase, DELTA6-desaturase, desD

ECTree

     1 Oxidoreductases
         1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen
             1.14.19 With oxidation of a pair of donors resulting in the reduction of O2 to two molecules of water
                1.14.19.46 sn-1 linoleoyl-lipid 6-desaturase

Systematic Name

Systematic Name on EC 1.14.19.46 - sn-1 linoleoyl-lipid 6-desaturase

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SYSTEMATIC NAME
IUBMB Comments
1-linoleoyl-2-acyl-[glycerolipid],ferredoxin:oxygen oxidoreductase (6,7-cis-dehydrogenating)
The enzyme, characterized from cyanobacteria, introduces a cis double bond at carbon 6 of linoleoyl groups (18:2) attached to the sn-1 position of glycerolipids. The enzyme is a front-end desaturase, introducing the new double bond between a pre-existing double bond and the carboxyl-end of the fatty acid. It is nonspecific with respect to the polar head group of the glycerolipid.