PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3495450-1 1987 The antinociceptive properties of a new synthetic dipeptide (N-hexanoyl-5-hydroxytryptophyl-5-hydroxytryptophan amide, or 5-HTP-DP-hex) were studied in rats by an electrophysiological method. Dipeptides 50-59 hematopoietically expressed homeobox Rattus norvegicus 63-66