1.14.19.12: acyl-lipid omega-(9-4) desaturase
This is an abbreviated version!
For detailed information about acyl-lipid omega-(9-4) desaturase, go to the full flat file.
Reaction
+ 2 ferrocytochrome b5 + + 2 H+ = + 2 ferricytochrome b5 + 2 H2O
Synonyms
acyl-lipid 7-desaturase, acyl-lipid omega-13 desaturase, DES, omega13 desaturase
ECTree
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1 | AA Sequence |
1 | Cloned(Commentary) |
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11 | Natural Substrates/ Products (Substrates) |
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1 | Pathway |
2 | Reaction |
2 | Reference |
11 | Substrates and Products (Substrate) |
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Substrates Products
Substrates Products on EC 1.14.19.12 - acyl-lipid omega-(9-4) desaturase
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REACTION DIAGRAM
alpha-linolenoyl-[glycerolipid] + ferrocytochrome b5 + O2 + H+
coniferonoyl-[glycerolipid] + ferricytochrome b5 + H2O
linoleoyl-[glycerolipid] + ferrocytochrome b5 + O2 + H+
pinolenoyl-[glycerolipid] + ferricytochrome b5 + H2O
oleoyl-[glycerolipid] + ferrocytochrome b5 + O2 + H+
?
low activity
-
-
?
coniferonoyl-[glycerolipid] + ferricytochrome b5 + H2O
DELTA5-desaturase activity
-
-
?
alpha-linolenoyl-[glycerolipid] + ferrocytochrome b5 + O2 + H+
coniferonoyl-[glycerolipid] + ferricytochrome b5 + H2O
DELTA5-desaturase activity
-
-
?
?
low activity
-
-
?
dihomolinoleoyl-[glycerolipid] + ferrocytochrome b5 + O2 + H+
?
low activity
-
-
?
?
low activity
-
-
?
eicosa-11,14,17-trienoyl-[glycerolipid] + ferrocytochrome b5 + O2 + H+
?
low activity
-
-
?
pinolenoyl-[glycerolipid] + ferricytochrome b5 + H2O
preferred substrate, DELTA5-desaturase activity
-
-
?
linoleoyl-[glycerolipid] + ferrocytochrome b5 + O2 + H+
pinolenoyl-[glycerolipid] + ferricytochrome b5 + H2O
preferred substrate, DELTA5-desaturase activity
-
-
?
?
-
no activity with 18:1DELTA11, 16:0, 16:1DELTA9, 18:0, 18:2DELTA10E,12, 18:2DELTA9,11E, 20:1DELTA11, 20:3DELTA8,11,14, and 20:4DELTA8,11,14,17. The enzyme also shows DELTA7-desaturase activity on 20:2DELTA11,14 and 20:3DELTA11,14,17 to produce 20:3DELTA7,11,14 and 20:4DELTA7,11,14,17, respectively
-
-
?
additional information
?
-
-
no activity with 18:1DELTA11, 16:0, 16:1DELTA9, 18:0, 18:2DELTA10E,12, 18:2DELTA9,11E, 20:1DELTA11, 20:3DELTA8,11,14, and 20:4DELTA8,11,14,17. The enzyme also shows DELTA7-desaturase activity on 20:2DELTA11,14 and 20:3DELTA11,14,17 to produce 20:3DELTA7,11,14 and 20:4DELTA7,11,14,17, respectively
-
-
?
additional information
?
-
no activity with 18:1DELTA11, 16:0, 16:1DELTA9, 18:0, 18:2DELTA10E,12, 18:2DELTA9,11E, 20:1DELTA11, 20:3DELTA8,11,14, and 20:4DELTA8,11,14,17. The enzyme also shows DELTA7-desaturase activity on 20:2DELTA11,14 and 20:3DELTA11,14,17 to produce 20:3DELTA7,11,14 and 20:4DELTA7,11,14,17, respectively
-
-
?