Source:http://linkedlifedata.com/resource/umls/id/C2717969
MSH: A subclass of peptide hydrolases that depend on an ASPARTIC ACID residue for their activity.,NCI: Aspartyl Proteases (Aspartic Endopeptidases) have an acidic residue (aspartate) involved in the catalytic process, have a pH optimum below 5 and catalyze the cleavage of internal peptide bonds in a polypeptide or protein.