PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 11590969-1 2001 The alpha-methyl-L-trypotophan (alpha-MTrp) method for the study of the brain serotonergic system is based on the fact that labelled alpha-MTrp is taken up by and, in part, retained in the brain, and this retention (trapping) is proportional to brain serotonin (5-HT) synthesis. alpha-methyl-l-trypotophan 4-30 lysosomal protein transmembrane 4 alpha Homo sapiens 38-42 11590969-1 2001 The alpha-methyl-L-trypotophan (alpha-MTrp) method for the study of the brain serotonergic system is based on the fact that labelled alpha-MTrp is taken up by and, in part, retained in the brain, and this retention (trapping) is proportional to brain serotonin (5-HT) synthesis. alpha-methyl-l-trypotophan 4-30 lysosomal protein transmembrane 4 alpha Homo sapiens 139-143