SEARCH Articles Figures Tables NADP (nicotinamide adenine dinucleotide tryptophan Nicotinamide adenine from tryptophan Nicotinamide tryptophan dioxygenase The Synthesis of Nicotinamide Nucleotides from Tryptophan Tryptophan (Trp nicotinamide activity Tryptophan decarboxylase nicotinamide nucleotide synthesis Tryptophan nicotinamide from Tryptophan nicotinamide ring