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.
Comparison of the cos region of φRSA1 with those of P2-related phages. Bases within the 55-bp core sequence that are shared by phages (54) are shaded. Downward and upward vertical arrows indicate cos cleavage sites. The exact cohesive end of φRSX is unknown.
