Abstract
An actinomycete strain No. G455-101 isolated from a soil sample collected in Luzon Island, Philippines produced a new antitumor antibiotic complex BBM-928. The organism was determined to be a new species of the genus Actinomadura and designated Actinomadura luzonensis nov. sp. The type strain, No. G455-101, has been deposited under the number ATCC 31491.