Information on EC 1.14.19.11 - acyl-[acyl-carrier-protein] 4-desaturase

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EC Tree
IUBMB Comments
The enzymes from the plants Coriandrum sativum (coriander) and Hedera helix (English ivy) are involved in biosynthesis of petroselinate [(6Z)-octadec-6-enoate], which is formed by elongation of (4Z)-hexadec-4-enoate. The ivy enzyme can also act on oleoyl-[acyl-carrier protein] and palmitoleoyl-[acyl-carrier protein], generating the corresponding 4,9-diene.
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The enzyme appears in viruses and cellular organisms
Reaction Schemes
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palmitoyl-[acyl-carrier protein]
+
2
reduced ferredoxin [iron-sulfur] cluster
+
O2
+
2
H+
=
(4Z)-hexadec-4-enoyl-[acyl-carrier protein]
+
2
oxidized ferredoxin [iron-sulfur] cluster
+
2
H2O
+
2
reduced ferredoxin [iron-sulfur] cluster
+
+
2
=
+
2
oxidized ferredoxin [iron-sulfur] cluster
+
2
Synonyms
4PAD, A9-palmitoyl-ACP desaturase, DELTA4-16:0-ACP desaturase, DELTA4-palmitoyl-ACP desaturase, DELTA4-palmitoyl-acyl carrier protein desaturase, DELTA4-palmitoyl-[acyl carrier protein] desaturase, palmitoyl-[acyl-carrier-protein] 4-desaturase, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
palmitoyl-[acyl-carrier protein] + 2 reduced ferredoxin [iron-sulfur] cluster + O2 + 2 H+ = (4Z)-hexadec-4-enoyl-[acyl-carrier protein] + 2 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O
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PATHWAY SOURCE
PATHWAYS
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