Studies on marine microorganisms. IV. A new antibiotic SS-228 Y produced by Chainia isolated from shallow sea mud

A new antibiotic named SS-228 Y, which inhibits growth of Gram-positive bacteria, Ehrlich carcinoma in mice, and dopamine-beta-hydroxylase, was obtained from a species of Chainia isolated from shallow sea mud in Sagami Bay. It was yellowish brown powder having the molecular formula C19H1406. From the physical and chemical properties, SS-228 Y was concluded to b a new antibiotic having structure of peri-hydroxyquinone moiety.