streptomyces rapamycinicus streptomyces rapamycinicus streptomyces rapamycinicus is a bacterium species from the genus of streptomyces which has been isolated from soil from the easter island. streptomyces rapamycinicus produces sirolimus. streptomyces rapamycinicus scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: streptomycetales family: streptomycetaceae genus: streptomyces species: s. rapamycinicus binomial name streptomyces rapamycinicuskumar and goodfellow 2008 type strain atcc 29253, nrrl 5491