The chemical reactions and pathways resulting in the formation of nicotinamide adenine dinucleotide (NAD+), beginning with the catabolism of L-tryptophan into the precursor quinolinate. NAD+ is a coenzyme that interconverts with its reduced form, NADH, in many redox and catabolic reactions. [PMID:17161604]
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Collection
M5: Ontology GO: Gene Ontology GO:BP: GO Biological Process
2026.1.Mm: Renamed from GOBP_DE_NOVO_NAD_BIOSYNTHETIC_PROCESS_FROM_L_TRYPTOPHAN. Updated to GO Release 2025-10-10.
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