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Zeaxanthin epoxidase

Class of enzymes From Wikipedia, the free encyclopedia

Zeaxanthin epoxidase (EC 1.14.15.21, Zea-epoxidase) is an enzyme with systematic name zeaxanthin,NAD(P)H:oxygen oxidoreductase.[1][2][3][4][5] This enzyme catalyses the following overall chemical reaction:[6]

+ 4 reduced
ferredoxin
 
 
2 O2
2 H2O
Rightward reaction arrow with minor substrate(s) from top left and minor product(s) to top right
 
 
 
+ 4 oxidised
ferredoxin
 

Zeaxanthin epoxidase is a flavoprotein that uses flavin adenine dinucleotide as a cofactor. It is active under conditions of low light and protects plants from damage by excess light.[7]

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