1-(beta-D-Ribofuranosyl)-1,4-dihydronicotinamide
IUPAC 名称
1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1,4-dihydropyridine-3-carboxamide
描述
Nicotinamide riboside or NR is a natural product found in milk. It can exist in both the oxidized and reduced form. Nicotinamide riboside is a newly discovered precursor to NAD ( nicotinamide adenine dinucleotide). Nicotinamide riboside kinases (Nrks) are essential for this NAD synthesis pathway. Nrks actually constitute a distinct pathway of NAD biosynthesis and it appears that nicotinamide riboside may be the only vitamin precursor that supports neuronal NAD synthesis (PMID: 18429699). NAD homeostasis is related to the free radical-mediated production of reactive oxygen species responsible for irreversible cellular damage in infectious disease, diabetes, inflammatory syndromes, neurodegeneration and cancer. (PMID: 18508649). Baseline requirements for NAD synthesis can be met either with dietary tryptophan or with less than 20 mg of daily niacin, which consists of nicotinic acid and/or nicotinamide. Reduced nicotinamide riboside is also known to be a substrate for ribosyldihydronicotinamide dehydrogenase (EC 1.10.99.2). It is also a substrate for purine-nucleoside phosphorylase (PNP) - (PMID: 9030766) [HMDB]
异构
NC(=O)C1=CN(C=CC1)[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1O
InChI标识符
InChI=1S/C11H16N2O5/c12-10(17)6-2-1-3-13(4-6)11-9(16)8(15)7(5-14)18-11/h1,3-4,7-9,11,14-16H,2,5H2,(H2,12,17)/t7-,8-,9-,11-/m1/s1
键
MAKBMGXNXXXBFE-TURQNECASA-N