PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 11329401-3 2001 METHOD: Unidirectional trapping of the 5-HT precursor analog alpha-[(11)C]methyl-L-tryptophan (alpha-[(11)C]MTrp) has been proposed as an index of 5-HT synthesis capacity. c]methyl-l-tryptophan 72-93 lysosomal protein transmembrane 4 alpha Homo sapiens 108-112