streptomyces purpurascens streptomyces purpurascens streptomyces purpurascens is a bacterium species from the genus of streptomyces which has been isolated from soil. streptomyces purpurascens produces α-l-arabinofuranosidase, isorhodomycin a, rhodomycin a and rhodomycin b. streptomyces purpurascens scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: streptomycetales family: streptomycetaceae genus: streptomyces species: s. purpurascens binomial name streptomyces purpurascenslindenbein 1952 type strain atcc 25489, bcrc 11872, cbs 917.69, ccrc 11872, dsm 40310, eth 31514, ifo 13077, isp 5310, jcm 4509, kctc 9848, maria 515, nbimcc 1155, nbrc 13077, nrrl b-12230, nrrl-isp 5310, pcm 2299, ria 1269, vkm ac-755, wilde maria 515