Translations:Nicotinamide riboside/14/en
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Nicotinamide riboside (NR) is utilized through an additional pathway involving phosphorylation by the nicotinamide riboside kinase enzymes (NRK1 and NRK2). In yeasts, NR has also been shown to be degraded by the nucleosidases Pnp1, Urh1 and Meu1, before being converted to NAD⁺ via the Preiss-Handler pathway and the action of the nicotinamidase Pnc1.