title: The role of c'1q, cations, and ionic strength in the formation of C'1 esterase.
mesh_terms: D000818:Animals; D000937:Antigen-Antibody Reactions; D002118:Calcium; D002417:Cattle; D055598:Chemical Phenomena; D002621:Chemistry; D002712:Chlorides; D002845:Chromatography; D003165:Complement System Proteins; D004950:Esterases; D004952:Esters; D005341:Fibrinolysin; D006801:Humans; D007477:Ions; D014357:Trypsin; D014443:Tyrosine
chemical_list: D002712:Chlorides; D004952:Esters; D007477:Ions; D014443:Tyrosine; D003165:Complement System Proteins; D004950:Esterases; D014357:Trypsin; D005341:Fibrinolysin; D002118:Calcium