Source:http://linkedlifedata.com/resource/umls/id/C0117059
CSP: nonEC category which corresponds to EC 3.4.11, EC 3.4.13, EC 3.4.14, EC 3.4.15, EC 3.4.16, EC 3.4.17, EC 3.4.18, and EC 3.4.19.,MSH: A sub-class of PEPTIDE HYDROLASES that act only near the ends of polypeptide chains.