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1.14.11.B16: carotenoid 4,4'-beta-ionone ring oxygenase

This is an abbreviated version!
For detailed information about carotenoid 4,4'-beta-ionone ring oxygenase, go to the full flat file.

Word Map on EC 1.14.11.B16

Reaction

beta-carotene
+
2-oxoglutarate
+
O2
+
H2O
=
canthaxanthin
+
succinate
+
CO2
+ 4 H+

Synonyms

4,(4')-beta-ionone ring oxygenase, 4,4' beta-oxygenase, 4,4' carotenoid oxygenase, 4,4'beta-oxygenase, beta-C-4-oxygenase, beta-carotene ketolase, bkt, carotene ketolase, CrtW

ECTree

     1 Oxidoreductases
         1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen
             1.14.11 With 2-oxoglutarate as one donor, and incorporation of one atom of oxygen into each donor
                1.14.11.B16 carotenoid 4,4'-beta-ionone ring oxygenase

Substrates Products

Substrates Products on EC 1.14.11.B16 - carotenoid 4,4'-beta-ionone ring oxygenase

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SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
(3R,2'S)-myxol 2'-alpha-L-fucoside + acceptor + O2
(3R,2'S)-4-oxomyxol 2'-alpha-L-fucoside + reduced acceptor
show the reaction diagram
3-hydroxyechinenone + acceptor + O2
phoenicoxanthin + reduced acceptor
show the reaction diagram
4-oxozeaxanthin + acceptor + O2
astaxanthin + reduced acceptor
show the reaction diagram
beta-carotene + 2-oxoglutarate + O2
canthaxanthin + ?
show the reaction diagram
beta-carotene + 2-oxoglutarate + O2 + H2O
canthaxanthin + succinate + CO2 + 4 H+
show the reaction diagram
beta-carotene + acceptor + O2
canthaxanthin + reduced acceptor
show the reaction diagram
beta-carotene + acceptor + O2
echinenone + reduced acceptor
show the reaction diagram
echinenone + acceptor + O2
canthaxanthin + reduced acceptor
show the reaction diagram
zeaxanthin + 2-oxoglutarate + O2
4-oxozeaxanthin + ?
show the reaction diagram
zeaxanthin + 2-oxoglutarate + O2 + H2O
astaxanthin + succinate + CO2 + 4 H+
show the reaction diagram
zeaxanthin + acceptor + O2
adonixanthin + reduced acceptor
show the reaction diagram
additional information
?
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