title: Human blood coagulation factor IX. Purification, properties, and mechanism of activation by activated factor XI.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000818:Animals; D002417:Cattle; D004789:Enzyme Activation; D005164:Factor IX / Q000302:isolation & purification / Q000378:metabolism; D005172:Factor XI / Q000378:metabolism*; D006801:Humans; D008970:Molecular Weight; D013045:Species Specificity
chemical_list: D000596:Amino Acids; D005164:Factor IX; D005172:Factor XI