title: Active site of alpha 1-antitrypsin: homologous site in antithrombin-III.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D000990:Antithrombin III / Q000378:metabolism*; D001665:Binding Sites; D002417:Cattle; D006801:Humans; D011487:Protein Conformation; D014357:Trypsin; D000515:alpha 1-Antitrypsin / Q000378:metabolism*
chemical_list: D000515:alpha 1-Antitrypsin; D000990:Antithrombin III; D014357:Trypsin