PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25547097-3 2016 By decreasing the availability of tryptophan for serotonin synthesis, such IDO and TDO-driven TRYCATs, also decrease the availability of serotonin for N-acetylserotonin (NAS) and melatonin synthesis. N-acetylserotonin 151-168 tryptophan 2,3-dioxygenase Homo sapiens 83-86