palmitoyl-[glycerolipid] 3-(E)-desaturase EC#: 1.14.19.43; ChemWhat Code: 1375808

Product Name palmitoyl-[glycerolipid] 3-(E)-desaturase
Example Structure Example Structure of palmitoyl-[glycerolipid] 3-(E)-desaturase EC#: 1.14.19.43
Synonyms DELTA4 fatty acid desaturase, FAD4, FAD4 desaturase, fatty acid desaturase4, IsFAD4
EC Number 1.14.19.43
CAS Registry Number
Comments The enzyme introduces an unusual trans double bond at carbon 3 of a palmitoyl group attached to the sn-2 position of glycerolipids. The enzyme from the plant Arabidopsis thaliana is specific for palmitate in phosphatidylglycerol. The enzyme from tobacco can also accept oleate and ¦Á-linolenate if present at the sn-2 position of phosphatidylglycerol [1].
Cofactor
History
Reactions A 1-acyl-2-palmitoyl-[glycerolipid] + 2 reduced ferredoxin [iron-sulfur] cluster + O(2) + 2 H(+) = a 1-acyl-2-((3E)-hexadec-3-enoyl)- [glycerolipid] + 2 oxidized ferredoxin [iron-sulfur] cluster + 2 H(2)O.

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