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A new class EC 7, Translocases, has been added to the EC list. It will be part of ENZYME from release 2018_10. Read more about EC 7 here.

ENZYME entry: EC

Accepted Name
Acyl-lipid Delta(12)-acetylenase.
Alternative Name(s)
Delta-12 fatty acid acetylenase.
Reaction catalysed
Linoleoyl-[glycerolipid] + 2 ferrocytochrome b5 + O(2) + 2 H(+) <=> crepenynyl-[glycerolipid] + 2 ferricytochrome b5 + 2 H(2)O
  • The enzyme, characterized from the plant Crepis alpina, converts the double bond at position 12 of linoleate into a triple bond.
  • The product is the main fatty acid found in triacylglycerols in the seed oil of Crepis alpina.
  • Formerly EC
PRIAM enzyme-specific profiles1.14.19.39
KEGG Ligand Database for Enzyme Nomenclature1.14.19.39
IUBMB Enzyme Nomenclature1.14.19.39
MEDLINEFind literature relating to
O81931, FAD12_CREAL

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All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.14.19.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.14.-.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.-.-.-