title: Formation of the C3-cleaving properdin enzyme on zymosan. Demonstration that factor D is replaceable by proteolytic enzymes.
mesh_terms: D000818:Animals; D001798:Blood Proteins / Q000378:metabolism; D002848:Chromatography, DEAE-Cellulose; D003165:Complement System Proteins / Q000302:isolation & purification / Q000378:metabolism*; D004492:Edetic Acid / Q000494:pharmacology; D005341:Fibrinolysin; D006168:Guinea Pigs; D010447:Peptide Hydrolases / Q000378:metabolism*; D011414:Properdin / Q000302:isolation & purification*; D014357:Trypsin; D014361:Trypsin Inhibitors; D014688:Venoms; D015054:Zymosan / Q000378:metabolism*
chemical_list: D001798:Blood Proteins; D014361:Trypsin Inhibitors; D014688:Venoms; D011414:Properdin; D003165:Complement System Proteins; D015054:Zymosan; D004492:Edetic Acid; D010447:Peptide Hydrolases; D014357:Trypsin; D005341:Fibrinolysin