1.14.19.38: acyl-lipid DELTA6-acetylenase
This is an abbreviated version!
For detailed information about acyl-lipid DELTA6-acetylenase, go to the full flat file.
Reaction
+ 2 ferrocytochrome b5 + + 2 H+ = + 2 ferricytochrome b5 + 2 H2O
Synonyms
DELTA6-fatty acyl desaturase, DES6
ECTree
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Natural Substrates Products
Natural Substrates Products on EC 1.14.19.38 - acyl-lipid DELTA6-acetylenase
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REACTION DIAGRAM
gamma-linolenoyl-[glycerolipid] + ferrocytochrome b5 + O2 + H+
(9Z,12Z)-octadeca-9,12-dien-6-ynoyl-[glycerolipid] + ferricytochrome b5 + H2O
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?
stearidonoyl-[glycerolipid] + ferrocytochrome b5 + O2 + H+
(9Z,12Z,15Z)-octadeca-9,12,15-trien-6-ynoyl-[glycerolipid] + ferricytochrome b5 + H2O
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?
additional information
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the bifunctional enzyme can introduce a DELTA6-cis-double bond into 9,12,(15)-C18-polyenoic acids as well as converting a DELTA6-cis-double bond to a DELTA6-triple bond
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