PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2244915-1 1990 It is well established that 1-methyl-4-phenylpyridinium (MPP), the neurotoxic bioactivation product of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) and most of its analogs are good competitive inhibitors of monoamine oxidase A, with Ki values in the micromolar range, but they inhibit monoamine oxidase B only at much higher concentrations. 3,6-tetrahydropyridine 125-147 monoamine oxidase B Homo sapiens 292-311