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1.14.99.64: zeaxanthin 4-ketolase

This is an abbreviated version!
For detailed information about zeaxanthin 4-ketolase, go to the full flat file.

Reaction

adonixanthin
+ 2 reduced acceptor + 2 O2 =
(3S,3'S)-astaxanthin
+ 2 acceptor + 3 H2O

Synonyms

beta-carotene/zeaxanthin ketolase, bkt, CrtW148

ECTree

     1 Oxidoreductases
         1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen
             1.14.99 Miscellaneous
                1.14.99.64 zeaxanthin 4-ketolase

Substrates Products

Substrates Products on EC 1.14.99.64 - zeaxanthin 4-ketolase

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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
adonixanthin + 2 reduced acceptor + 2 O2
(3S,3'S)-astaxanthin + 2 acceptor + 3 H2O
show the reaction diagram
zeaxanthin + 2 reduced acceptor + 2 O2
adonixanthin + 2 acceptor + 3 H2O
show the reaction diagram