Information on EC 1.14.19.27 - sn-2 palmitoyl-lipid 9-desaturase

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The enzyme appears in viruses and cellular organisms

EC NUMBER
COMMENTARY hide
1.14.19.27
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RECOMMENDED NAME
GeneOntology No.
sn-2 palmitoyl-lipid 9-desaturase
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REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
a 1-acyl-2-palmitoyl-[glycerolipid] + 2 reduced ferredoxin [iron-sulfur] cluster + O2 + 2 H+ = a 1-acyl-2-palmitoleoyl-[glycerolipid] + 2 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O
show the reaction diagram
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PATHWAY
BRENDA Link
KEGG Link
MetaCyc Link
palmitoleate biosynthesis III (cyanobacteria)
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SYSTEMATIC NAME
IUBMB Comments
1-acyl-2-palmitoyl-[glycerolipid],ferredoxin:oxygen oxidoreductase (9,10 cis-dehydrogenating)
The enzyme, characterized from the cyanobacterium Nostoc sp. 36, introduces a cis double bond at carbon 9 of palmitoyl groups (16:0) attached to the sn-2 position of glycerolipids.
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
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UniProt
Manually annotated by BRENDA team
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UniProt
Manually annotated by BRENDA team
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
1-acyl-2-palmitoyl-[glycerolipid] + reduced ferredoxin [iron-sulfur] cluster + O2 + H+
1-acyl-2-palmitoleoyl-[glycerolipid] + oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
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?
a 1-acyl-2-palmitoyl-[glycerolipid] + 2 reduced ferredoxin [iron-sulfur] cluster + O2 + 2 H+
a 1-acyl-2-palmitoleoyl-[glycerolipid] + 2 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O
show the reaction diagram
NATURAL SUBSTRATES
NATURAL PRODUCTS
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
1-acyl-2-palmitoyl-[glycerolipid] + reduced ferredoxin [iron-sulfur] cluster + O2 + H+
1-acyl-2-palmitoleoyl-[glycerolipid] + oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
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?
a 1-acyl-2-palmitoyl-[glycerolipid] + 2 reduced ferredoxin [iron-sulfur] cluster + O2 + 2 H+
a 1-acyl-2-palmitoleoyl-[glycerolipid] + 2 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O
show the reaction diagram
SUBUNITS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
?
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x * 33200, calculated from amino acid sequence
Cloned/COMMENTARY
ORGANISM
UNIPROT
LITERATURE
expressed in Escherichia coli DH10B cells
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heterologous expression in Synechocystis sp. PCC 6803
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EXPRESSION
ORGANISM
UNIPROT
LITERATURE
the transcript of, desC, does not show any up- or down-regulation of the expression of the desaturase gene, up to 150 min after shifting the culture from 25°C to 10°C
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