Source:http://linkedlifedata.com/resource/umls/id/C0030946
MSH: A subclass of PEPTIDE HYDROLASES that catalyze the internal cleavage of PEPTIDES or PROTEINS.,CSP: nonEC category which corresponds to EC 3.4.21, EC 3.4.22, EC 3.4.23, EC 3.4.24, and EC 3.4.99.,NCI: A class of enzymes that catalyze the hydrolysis of peptide bonds in the interior of a polypeptide chain or protein molecule.