Source:http://linkedlifedata.com/resource/umls/id/C0003240
CSP: group of macrocyclic compounds with antibiotic action, formed by chain extension of multiple proprionates and cyclized into a large lactone; often glycosylated.,NCI: A group of antibiotics containing a macrocyclic lactone ring linked glycosidically to one or more sugar moieties. These antibiotics are produced by certain species of Streptomyces. They often inhibit protein synthesis by binding to the 50S subunits of 70S ribosomes. (MeSH)