Abstract
Selenocysteine lyase is a homodimeric pyridoxal 5′-phosphate-dependent enzyme that specifically catalyzes the removal of selenium from l-selenocysteine to yield l-alanine and is inert to its cognate l-cysteine. The enzyme is proposed to function in the recycling of the micronutrient selenium from degraded selenoproteins that contain selenocysteine residues as an essential component. Findings from recent studies have facilitated an unprecedented understanding of how this unique enzyme distinguishes between selenocysteine and cysteine and have suggested possible directions for future research that may uncover the physiological role of the enzyme in mammals.
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Mihara, H., Esaki, N. (2011). Selenocysteine Lyase: Mechanism, Structure, and Biological Role. In: Hatfield, D., Berry, M., Gladyshev, V. (eds) Selenium. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-1025-6_8
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DOI: https://doi.org/10.1007/978-1-4614-1025-6_8
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