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

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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

1.14.11.B16

astaxanthin

hydroxylase

ketocarotenoids

haematococcus

zeaxanthin

pluvialis

phytoene

echinenone

desaturase

lycopene

carotenogenic

adonixanthin

xanthophyl

beta-cryptoxanthin

zeta-carotene

microalgae

nostoc

aurantiacum

alpha-carotene

ketolated

erythropolis

zofingiensis

gamma-carotene

uredovora

Reaction

+ 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

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Results	in table
12	Activating Compound
6	AA Sequence
25	Cloned(Commentary)
4	Cofactor
5	KM Value [mM]
4	Metals/Ions
21	Natural Substrates/ Products (Substrates)
65	Organism
2	Reaction
41	Reference
8	Specific Activity [micromol/min/mg]
55	Substrates and Products (Substrate)
66	Synonyms
1	Systematic Name

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

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beta-carotene + 2-oxoglutarate + O2 + H2O

canthaxanthin + succinate + CO2 + 4 H+

13 entries

zeaxanthin + 2-oxoglutarate + O2 + H2O

astaxanthin + succinate + CO2 + 4 H+

6 entries