title: The role of the tryptophan residues in the activity of the nerve growth factor.
mesh_terms: D000818:Animals; D003168:Complement Fixation Tests; D006133:Growth Substances / Q000032:analysis*; D005779:Immunodiffusion; D051379:Mice; D009414:Nerve Growth Factors / Q000032:analysis; D010084:Oxidation-Reduction; D011760:Pyrrolidinones; D012911:Snakes; D013057:Spectrum Analysis; D013363:Submandibular Gland; D013564:Sympathetic Nervous System; D014364:Tryptophan / Q000032:analysis*; D014466:Ultraviolet Rays; D014508:Urea; D014688:Venoms
chemical_list: D006133:Growth Substances; D009414:Nerve Growth Factors; D011760:Pyrrolidinones; D014688:Venoms; D014364:Tryptophan; D014508:Urea