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.
Chemical structure of the glycan decorating the exosporium BclA protein of B. anthracis and summary of the features contributing to the immunological properties of the tetrasaccharide portion. The square region denotes the trisaccharide portion of the glycan, while the grey oval area denotes the upstream disaccharide.
