PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11725082-7 1996 The toxicity of MPTP on TOH was also prevented by nicotine. Nicotine 50-58 tyrosine hydroxylase Mus musculus 24-27 11725082-9 1996 These results suggest that nicotine interacts with the dopaminergic system probably at the level of DA biosynthesis through activating TOH and its coenzyme tetrahydrobiopterin. Nicotine 27-35 tyrosine hydroxylase Mus musculus 135-138