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.

Reaction

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

Synonyms

4,(4')-beta-ionone ring oxygenase, beta-C-4-oxygenase, beta-carotene ketolase, CrtW, CrtW148, CrtW38

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