Article
The human mitochondrial enzyme BCO2 exhibits catalytic activity toward carotenoids and apocarotenoids
2 Sept 2020
Abstract excerpt
The enzyme β-carotene oxygenase 2 (BCO2) converts carotenoids into more polar metabolites. Studies in mammals, fish, and birds revealed that BCO2 controls carotenoid homeostasis and is involved in the pathway for vitamin A production. However, it is controversial whether BCO2 function is conserved in humans, because of a 4-amino acid long insertion caused by a splice acceptor site polymorphism. We here show that...
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