ID 3.4.23.4 DE Chymosin. AN Rennin. CA Broad specificity similar to that of pepsin A. Clots milk by cleavage of CA a single 105-Ser-Phe-|-Met-Ala-108 bond in kappa-chain of casein. CC -!- Neonatal gastric enzyme with high milk clotting and weak general CC proteolytic activity, formed from prochymosin. CC -!- Found among mammals with postnatal uptake of immunoglobins. CC -!- Belongs to peptidase family A1. CC -!- Formerly EC 3.4.4.3. PR PROSITE; PDOC00128; DR P00794, CHYM_BOVIN ; Q9N2D2, CHYM_CALJA ; P09873, CHYM_FELCA ; DR P18276, CHYM_SHEEP ; //