Storage ConditionsLyophilized protein should be stored at < -20°C, though stable at room temperature for 3 weeks. Reconstituted protein solution can be stored at 4-7°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months.
Shipping ConditionsThe product is shipped at ambient temperature.
Upon receipt, store it immediately at the temperature listed below.
Molecular Weight11.8 KDa
Minimum PurityGreater than 95% as determined by reducing SDS-PAGE.
Other NameCholera enterotoxin B chain
Cholera enterotoxin gamma chain
Cholera enterotoxin subunit B
Choleragenoid
ctxB
toxB
BackgroundCholera toxin is protein complex secreted by the bacterium Vibrio cholerae. It is responsible for the massive, watery diarrhea characteristic of cholera infection. Cholera enterotoxin subunit B (CTXB) pentameric ring directs the A subunit to its target by