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Information on EC 1.14.15.9 - spheroidene monooxygenase

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IUBMB Comments
The enzyme is involved in spheroidenone biosynthesis and in 2,2'-dioxospirilloxanthin biosynthesis. The enzyme from Rhodobacter sphaeroides contains heme at its active site .
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Word Map
The enzyme appears in viruses and cellular organisms
Reaction Schemes
hide(Overall reactions are displayed. Show all >>)
+
4
reduced ferredoxin [iron-sulfur] cluster
+
2
=
+
4
oxidized ferredoxin [iron-sulfur] cluster
+
3
+
4
reduced ferredoxin [iron-sulfur] cluster
+
2
=
+
4
oxidized ferredoxin [iron-sulfur] cluster
+
3
+
4
reduced ferredoxin [iron-sulfur] cluster
+
2
=
+
4
oxidized ferredoxin [iron-sulfur] cluster
+
3
Synonyms
acyclic carotenoid 2-ketolase, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
2',2'-dihydroxy-2-oxospirilloxanthin = 2,2'-dioxospirilloxanthin + H2O
show the reaction diagram
(3c), spontaneous
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2'-hydroxy-2-oxospirilloxanthin + reduced ferredoxin [iron-sulfur] cluster + O2 + 2 H+ = 2',2'-dihydroxy-2-oxospirilloxanthin + oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
(3b)
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-
-
2,2-dihydroxyspheroidene = spheroiden-2-one + H2O
show the reaction diagram
(1c), spontaneous
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-
2,2-dihydroxyspirilloxanthin = 2-oxospirilloxanthin + H2O
show the reaction diagram
(2c), spontaneous
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2-hydroxyspheroidene + 2 reduced ferredoxin [iron-sulfur] cluster + O2 + 2 H+ = 2,2-dihydroxyspheroidene + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
(1b)
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2-hydroxyspirilloxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + O2 + 2 H+ = 2,2-dihydroxyspirilloxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
(2b)
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2-oxospirilloxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + O2 + 2 H+ = 2'-hydroxy-2-oxospirilloxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
(3a)
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2-oxospirilloxanthin + 4 reduced ferredoxin [iron-sulfur] cluster + 2 O2 = 2,2'-dioxospirilloxanthin + 4 oxidized ferredoxin [iron-sulfur] cluster + 3 H2O
show the reaction diagram
(3)
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spheroidene + 2 reduced ferredoxin [iron-sulfur] cluster + O2 + 2 H+ = 2-hydroxyspheroidene + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
(1a)
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-
spheroidene + 4 reduced ferredoxin [iron-sulfur] cluster + 2 O2 = spheroiden-2-one + 4 oxidized ferredoxin [iron-sulfur] cluster + 3 H2O
show the reaction diagram
spirilloxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + O2 + 2 H+ = 2-hydroxyspirilloxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
(2a)
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spirilloxanthin + 4 reduced ferredoxin [iron-sulfur] cluster + 2 O2 = 2-oxospirilloxanthin + 4 oxidized ferredoxin [iron-sulfur] cluster + 3 H2O
show the reaction diagram
(2)
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