title: The interaction of Ca2+ with human Factor IX.
mesh_terms: D000818:Animals; D001665:Binding Sites; D002118:Calcium / Q000097:blood*; D002412:Cations / Q000097:blood; D002417:Cattle; D005164:Factor IX / Q000378:metabolism*; D005172:Factor XI / Q000378:metabolism; D015945:Factor XIa; D006801:Humans; D008670:Metals / Q000097:blood; D011485:Protein Binding
chemical_list: D002412:Cations; D008670:Metals; D005164:Factor IX; D005172:Factor XI; D015945:Factor XIa; D002118:Calcium