clostridium saccharoperbutylacetonicum clostridium saccharoperbutylacetonicum clostridium saccharoperbutylacetonicum is an indole and notably butanol-producing bacterium, with the type strain n1-4 (hmt) (= atcc 27021t). its genome has been sequenced. clostridium saccharoperbutylacetonicum scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: clostridiaceae genus: clostridium species: c. saccharoperbutylacetonicum binomial name clostridium saccharoperbutylacetonicumkeis et al. 2001