NMS-P515 is an effective, orally active, and stereospecific PARP-1 inhibitor (Kd: 16 nM and an IC50: 27 nM (in Hela cells)). It has anti-tumor activity.
P516-0475 is a novel chemical inducer of Streptococcus quorum sensing acts by inhibiting the pheromone-degrading endopeptidase PepO. This compound induces quorum sensing by stabilizing SHP pheromones in culture.