PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17014440-9 2006 Unusually for a trypsin-like proteinase however, equine tryptase has alanine at residue 216, rather than glycine, which confers increased arginine substrate specificity in vitro and may restrict fibrinogenolysis in vivo. Alanine 69-76 proto-oncogene tyrosine-protein kinase receptor Ret Equus caballus 56-64 17014440-11 2006 Further work is warranted to determine the biological relevance of the unique alanine 216 substitution in the molecular sequence of the equine tryptase substrate-binding pocket. Alanine 78-85 proto-oncogene tyrosine-protein kinase receptor Ret Equus caballus 143-151