γ-Butyrobetaine hydroxylase (BBOX) is a 2-oxoglutarate and Fe(II)-dependent oxygenase that catalyses the final step of L-carnitine biosynthesis in animals. BBOX catalyses the oxidation of 3-(2,2,2-trimethylhydrazinium)propionate (THP), a clinically used BBOX inhibitor, to form multiple products including 3-amino-4-(methyamino)butanoic acid (AMBA), which is proposed to be formed via a Stevens type rearrangement mechanism. We report the synthesis of AMBA and confirm that it is a product of the ...Expand abstract
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γ-Butyrobetaine hydroxylase catalyses a Stevens type rearrangement.
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