ID 3.4.23.21 DE rhizopuspepsin. AN Rhizopus aspartic proteinase. CA Hydrolysis of proteins with broad specificity similar to that of pepsin CA A, preferring hydrophobic residues at P1 and P1'. Clots milk and CA activates trypsinogen. Does not cleave 4-Gln-|-His-5, but does cleave CA 10-His-|-Leu-11 and 12-Val-|-Glu-13 in B chain of insulin. CC -!- From the zygomycete fungi Rhizopus chinensis and R.niveus. CC -!- Belongs to peptidase family A1. CC -!- Formerly EC 3.4.4.17, EC 3.4.23.6, EC 3.4.23.9 and EC 3.4.99.25. DR P10602, CARP1_RHINI; P43231, CARP2_RHINI; Q03699, CARP3_RHINI; DR Q03700, CARP4_RHINI; P43232, CARP5_RHINI; C0HLM4, CARP_RHIAZ ; DR P06026, CARP_RHICH ; //