Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
GM1 ganglioside binding of CTB produced by rBCG. The ability of CTB produced by rBCG to bind to the GM1 ganglioside was analyzed by a GM1 ganglioside ELISA of whole-cell extracts (lanes 1 to 4) or culture supernatants (lanes 5 and 6) from nonrecombinant BCG (lanes 1 and 2) or rBCG (lanes 3 to 6) in the presence or absence of dithiothreitol (DTT) as indicated.
