Information on EC 1.3.7.13 - 3,8-divinyl protochlorophyllide a 8-vinyl-reductase (ferredoxin)

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The enzyme appears in viruses and cellular organisms

EC NUMBER
COMMENTARY hide
1.3.7.13
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RECOMMENDED NAME
GeneOntology No.
3,8-divinyl protochlorophyllide a 8-vinyl-reductase (ferredoxin)
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REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
protochlorophyllide a + 2 oxidized ferredoxin [iron-sulfur] cluster = 3,8-divinyl protochlorophyllide a + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+
show the reaction diagram
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PATHWAY
BRENDA Link
KEGG Link
MetaCyc Link
bacteriochlorophyll a biosynthesis
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bacteriochlorophyll c biosynthesis
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bacteriochlorophyll d biosynthesis
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bacteriochlorophyll e biosynthesis
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chlorophyll a biosynthesis III
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Metabolic pathways
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Porphyrin and chlorophyll metabolism
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SYSTEMATIC NAME
IUBMB Comments
protochlorophyllide-a:ferredoxin C-81-oxidoreductase
The enzyme, found in many phototrophic bacteria, land plants, and some green and red algae, is involved in the production of monovinyl versions of (bacterio)chlorophyll pigments from their divinyl precursors. Binds two [4Fe-4S] clusters and an FAD cofactor. It can also act on 3,8-divinyl chlorophyllide a, 3,8-divinyl chlorophyll a, and chlorophyll c2. cf. EC 1.3.1.75, 3,8-divinyl protochlorophyllide a 8-vinyl-reductase (NADPH).
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
8-vinyl protochlorophyllide + oxidized ferredoxin [iron-sulfur] cluster
protochlorophyllide a + reduced ferredoxin [iron-sulfur] cluster + H+
show the reaction diagram
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?
protochlorophyllide a + oxidized ferredoxin [iron-sulfur] cluster
3,8-divinyl protochlorophyllide a + reduced ferredoxin [iron-sulfur] cluster + H+
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
8-vinyl protochlorophyllide + oxidized ferredoxin [iron-sulfur] cluster
protochlorophyllide a + reduced ferredoxin [iron-sulfur] cluster + H+
show the reaction diagram
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?
protochlorophyllide a + oxidized ferredoxin [iron-sulfur] cluster
3,8-divinyl protochlorophyllide a + reduced ferredoxin [iron-sulfur] cluster + H+
show the reaction diagram
COFACTOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
[4Fe-4S]-center
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the enzyme binds two [4Fe-4S] clusters, one of which may not be essential for the activity of the enzyme
SUBUNITS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
?
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x * 45000, SDS-PAGE; x * 45492, calculated from amino acid sequence
Purification/COMMENTARY
ORGANISM
UNIPROT
LITERATURE
Cloned/COMMENTARY
ORGANISM
UNIPROT
LITERATURE
expressed in an 8-vinyl chlorophyll a-producing DELTAbciB strain of Synechocystis sp. strain PCC 6803
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expressed in Escherichia coli
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