2.4.2.36 2-mercaptoethanol activation, together with SDS or guanidine hydrochloride 489800 2.4.2.36 cysteine activation, together with SDS or guanidine hydrochloride 489800 2.4.2.36 dithiothreitol enhances activity together with urea 489800 2.4.2.36 guanidine hydrochloride enhances activity together with dithiothreitol, cysteine, 2-mercaptoethanol or sulfite 489800 2.4.2.36 additional information exotoxin is synthesized in a catalytically inactive, proenzyme form, unfolding of the toxin molecule may cause activation 489800 2.4.2.36 SDS enhances activity together with dithiothreitol, cysteine, 2-mercaptoethanol or sulfite 489800 2.4.2.36 sulfite activation, together with SDS or guanidine hydrochloride 489800 2.4.2.36 Urea enhances activity together with dithiothreitol 489800