PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3099113-2 1986 A species specific protein with repetitive -Gln-His-Pro-Gly- sequences, which are flanked on the N- and C-terminus by paired basic residues, has been shown to be the source of TRH in frog skin and rat hypothalamus. Glycine 56-59 thyrotropin releasing hormone Rattus norvegicus 176-179