PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2884568-2 1987 MPTP is metabolized by monoamine oxidase Type B to 1-methyl-4-phenylpyridine (MPP+), which is selectively accumulated by high-affinity uptake mechanisms into dopaminergic neurons. 1-Methyl-4-phenylpyridinium 51-76 monoamine oxidase B Homo sapiens 23-47