Phosphoramidon
Introduction '''Phosphoramidon''' is a chemical compound derived from cultures of ''Streptomyces tanashiensis''. It is an inhibitor of the enzyme thermolysin, of the membrane metallo-endopeptidase, and of the endothelin converting enzyme. Chemically, phosphoramidon differs from its closely related peptidase inhibitor talopeptin by a single stereocenter.Because of its enzyme inhibitory properties, phosphoramidon is widely used as a biochemical tool.
References
External links * The MEROPS online database for peptidases and their inhibitors:  Phosphoramidon