PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 4537396-0 1972 New degradative routes of 5-hydroxytryptophan and serotonin by intestinal tryptophan 2,3-dioxygenase. 5-Hydroxytryptophan 26-45 tryptophan 2,3-dioxygenase Homo sapiens 74-100 16023217-2 2006 In the absence of supplementation with exogenous 5-HTP, the amount of endogenous 5-HTP available for serotonin synthesis depends on the availability of tryptophan and on the activity of various enzymes, especially tryptophan hydroxylase, indoleamine 2,3-dioxygenase, and tryptophan 2,3-dioxygenase (TDO). 5-Hydroxytryptophan 81-86 tryptophan 2,3-dioxygenase Homo sapiens 271-297 16023217-2 2006 In the absence of supplementation with exogenous 5-HTP, the amount of endogenous 5-HTP available for serotonin synthesis depends on the availability of tryptophan and on the activity of various enzymes, especially tryptophan hydroxylase, indoleamine 2,3-dioxygenase, and tryptophan 2,3-dioxygenase (TDO). 5-Hydroxytryptophan 81-86 tryptophan 2,3-dioxygenase Homo sapiens 299-302