title: Letter: Hydroxypepstatin, a new peptatin produced by Streptomyces.
mesh_terms: D002403:Cathepsins / Q000037:antagonists & inhibitors; D055598:Chemical Phenomena; D002621:Chemistry; D005285:Fermentation; D013058:Mass Spectrometry; D009842:Oligopeptides / Q000302:isolation & purification*; D010434:Pepsin A / Q000037:antagonists & inhibitors*; D013055:Spectrophotometry, Infrared; D013302:Streptomyces / Q000032:analysis / Q000378:metabolism*; D000092502:Renin Inhibitors
chemical_list: D002403:Cathepsins; D009842:Oligopeptides; D010434:Pepsin A; D000092502:Renin Inhibitors