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.
Nucleotide sequences of C2II genes near the prior stop codon (∼position 2166) of Clostridium botulinum strains (C) 2300, (C) 92-13, (C) 203U28, and (C) 468. The additional nucleotides are marked by gray boxes. Stop codons are marked by a black box.
