Excessive C5 conversion prevents C9 polymerisation and subsequent MAC-dependent killing of Klebsiella pneumoniae. - Dawoodbhoy, Kulsum M.; Beudeker, Coco R.; Theofilidis, Panagiotis; Masson, Frerich M.; van der Flier, Michiel; Rooijakkers, Suzan H. M.; Bardoel, Bart W.; Doorduijn, Dennis J. (PLoS Pathogens, 2026)