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ENZYME entry: EC 1.14.19.43

Accepted Name
palmitoyl-[glycerolipid] 3-(E)-desaturase.
Reaction catalysed
a 1-acyl-2-hexadecanoyl-glycerolipid + 2 H(+) + O2 + 2 reduced [2Fe-2S]-[ferredoxin] <=> a 1-acyl-2-[(3E)-hexadec-3-enoyl]-glycerolipid + 2 H2O + 2 oxidized [2Fe-2S]-[ferredoxin]
Comment(s)
  • 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 alpha-linolenate if present at the sn-2 position of phosphatidylglycerol.
Cross-references
BRENDA1.14.19.43
EC2PDB1.14.19.43
ExplorEnz1.14.19.43
PRIAM enzyme-specific profiles1.14.19.43
KEGG Ligand Database for Enzyme Nomenclature1.14.19.43
IUBMB Enzyme Nomenclature1.14.19.43
IntEnz1.14.19.43
MEDLINEFind literature relating to 1.14.19.43
MetaCyc1.14.19.43
Rhea expert-curated reactions1.14.19.43
UniProtKB/Swiss-Prot
Q9SZ42, FAD4_ARATH

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