Gamma-butyrobetaine dioxygenase

Protein-coding gene in the species Homo sapiens

Gamma-butyrobetaine dioxygenase is an enzyme that in humans is encoded by the BBOX1 gene. Gamma-butyrobetaine dioxygenase catalyses the formation of L-carnitine from gamma-butyrobetaine, the last step in the L-carnitine biosynthesis pathway. Carnitine is essential for the transport of activated fatty acids across the mitochondrial membrane during mitochondrial beta oxidation. In humans, gamma-butyrobetaine dioxygenase can be found in the kidney (high), liver (moderate), and brain. BBOX1 has recently been identified as a potential cancer gene based on a large-scale microarray data analysis.

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