title: Evidence that human alpha-thrombin is a monovalent cation-activated enzyme.
mesh_terms: D002414:Cations, Monovalent; D002794:Choline / Q000494:pharmacology; D004789:Enzyme Activation; D006801:Humans; D007700:Kinetics; D012964:Sodium / Q000494:pharmacology; D013379:Substrate Specificity; D013917:Thrombin / Q000378:metabolism*
chemical_list: D002414:Cations, Monovalent; D012964:Sodium; D013917:Thrombin; D002794:Choline