Table 1b.

Chemical structures and abbreviations of the catabolites constituting the vitamin B3 metabolome

Catabolites of the vitamin B3 metabolome

Abbreviations: N-Me-Nam, N-methyl nicotinamide or trigonellinamide; N-methyl-NA, N-methyl nicotinic acid or trigonelline; N-Oxide-Nam, N-oxide nicotinamide; N-Me-4PY, N-methyl-4-pyridone-3-carboxamide; N-Me-2PY, N-methyl-2-pyridone-4-carboxamide; 4PYR, 1-β-D-ribofuranosyl 4-pyridone-3-carboxamide; 4PYR-MP (n = 1), 1 -β-D-ribofuranosyl 4-pyridone-3-carboxamide monophosphate; 4PYR-DP (n = 2), 1 -β-D-ribofuranosyl 4-pyridone-3-carboxamide diphosphate; 4PYR-TP (n = 3), 1 -β-D-ribofuranosyl 4-pyridone-3-carboxamide triphosphate; NADO, 4-pyridone-3-carboxamide adenine dinucleotide; NADPO, 4-pyridone-3-carboxamide adenine dinucleotide phosphate; 1,2-NADH, 1,2-dihydronicotinamide adenine dinucleotide; 1,2-NADPH, 1,2-dihydronicotinamide adenine dinucleotide phosphate; 1,6-NADH, 1, 6-dihydronicotinamide adenine dinucleotide; 1,6-NADPH, 1,6-dihydronicotinamide adenine dinucleotide phosphate; NADHX, adenosine 5’-(trihydrogen diphosphate), $P^{\prime }\to 5^{\prime }$ -ester with 1,4,5,6-tetrahydro-6-hydroxy-1 -β-D-ribofuranosyl-3-pyridinecarboxamide also known as 6-hydroxylated nicotinamide adenine dinucleotide reduced form. NADPHX, adenosine 5’-(trihydrogen diphosphate), $P^{\prime }\to 5^{\prime }$-ester with 1,4,5,6-tetrahydro-6-hydroxy-1-β-D-ribofuranosyl-3-pyridinecarboxamide phosphate also known as 6-hydroxylated nicotinamide adenine dinucleotide phosphate reduced form. cADPR, cyclic adenosine diphosphoriboside; ADPR, adenosine diphosphoribose; ADPRP, adenosine diphosphoribose phosphate; PAR, poly adenosine diphosphoriboside; Ac-ADPR, acetyl adenosine diphosphoribose; Suc-ADPR, succinyl adenosine diphosphoribose; acyl-ADPR, acyl adenosine diphosphoribose.