Ly, Anhphan T Differences in SpeB protease activity among group A streptococci associated with superficial, invasive, and autoimmune disease. [electronic resource] - PloS one 2017 - e0177784 p. digital Publication Type: Journal Article ISSN: 1932-6203 Standard No.: 10.1371/journal.pone.0177784 doi Subjects--Topical Terms: Bacterial Proteins--geneticsExotoxins--geneticsHumansImpetigo--microbiologyPharyngitis--microbiologyRheumatic Fever--microbiologyStreptococcal Infections--microbiologyStreptococcus pyogenes--enzymology