title: Crystal structure of the ion pair 1-methyl-3-carbamidopyridinium N-acetyl-L-tryptophanate, a model for 1-substituted nicotinamide-protein charge-transfer completes.
mesh_terms: D003461:Crystallography; D004563:Electrochemistry; D008956:Models, Chemical; D009536:Niacinamide; D011485:Protein Binding; D011726:Pyridinium Compounds; D014364:Tryptophan / Q000031:analogs & derivatives*
chemical_list: D011726:Pyridinium Compounds; D009536:Niacinamide; D014364:Tryptophan