产品名称：Cholera Toxin A Subunit (Vibrio cholerae)
Source: From Vibrio cholerae.
Formulation: Lyophilized. Contains sodium azide.
Long Term Storage: +4°C
Miscellaneous/General: The A subunit of cholera toxin possesses ADP-ribosyltransferase activity but is unable to penetrate cells in the absence of the B subunit. It is however, as effective as the native toxin in catalyzing ADP-ribosylation in broken cell preparations.