title: Comparative studies on the status of invariant tryptophan residue in alpha-bungarotoxin and cobrotoxin.
mesh_terms: D002038:Bungarotoxins / Q000032:analysis* / Q000633:toxicity; D003039:Cobra Neurotoxin Proteins / Q000032:analysis* / Q000633:toxicity; D004350:Drug Residues / Q000032:analysis; D004546:Elapid Venoms / Q000032:analysis*; D007737:Kynurenine / Q000032:analysis; D013329:Structure-Activity Relationship; D014364:Tryptophan / Q000032:analysis*
chemical_list: D002038:Bungarotoxins; D003039:Cobra Neurotoxin Proteins; D004546:Elapid Venoms; D007737:Kynurenine; D014364:Tryptophan