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ENZYME entry: EC 1.14.19.33

Accepted Name
Delta(12) acyl-lipid conjugase (11E,13E-forming).
Alternative Name(s)
Fatty acid Delta(12)-conjugase.
Reaction catalysed
  • A linoleoyl-[glycerolipid] + 2 ferrocytochrome b5 + O(2) + 2 H(+) <=> an alpha-eleostearoyl-[glycerolipid] + 2 ferricytochrome b5 + 2 H(2)O
  • A gamma-linolenoyl-[glycerolipid] + 2 ferrocytochrome b5 + O(2) + 2 H(+) <=> an alpha-parinaroyl-[glycerolipid] + 2 ferricytochrome b5 + 2 H(2)O
Comment(s)
  • The enzyme, characterized from the plants Impatiens balsamina, Momordica charantia (bitter gourd) and Vernicia fordii (tung tree), converts a single cis double bond at carbon 12 to two conjugated trans bonds at positions 11 and 13.
  • The enzyme from Vernicia fordii can also act as a 12(E) desaturase when acting on the monounsaturated fatty acids oleate and palmitoleate.
  • Cf. EC 1.14.19.16.
Cross-references
BRENDA1.14.19.33
EC2PDB1.14.19.33
ExplorEnz1.14.19.33
PRIAM enzyme-specific profiles1.14.19.33
KEGG Ligand Database for Enzyme Nomenclature1.14.19.33
IUBMB Enzyme Nomenclature1.14.19.33
IntEnz1.14.19.33
MEDLINEFind literature relating to 1.14.19.33
MetaCyc1.14.19.33
UniProtKB/Swiss-Prot
Q9SP62, FADX_IMPBA;  Q9SP61, FADX_MOMCH;  Q8GZC2, FADX_VERFO;  

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