Acinetobacter is a genus of Gram-negative bacteria belonging to the wider class of Gammaproteobacteria. Acinetobacter species are oxidase-negative, exhibit twitching motility, and occur in pairs under magnification. From Wikipedia
The novel antibiotic, currently in Phase I trials, effectively kills Acinetobacter baumannii, a bacteria resistant to most current antibiotics and a significant cause of hospital infections.