title: Establishing homologies in protein sequences.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D005075:Biological Evolution; D001798:Blood Proteins / Q000235:genetics; D002417:Cattle; D003201:Computers; D006801:Humans; D009154:Mutation; D011506:Proteins / Q000235:genetics; D013045:Species Specificity; D013329:Structure-Activity Relationship; D014362:Trypsinogen
chemical_list: D001798:Blood Proteins; D011506:Proteins; D014362:Trypsinogen