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.
Domains are colored according to their SCOP class (Level 1). Domains of the two clades that are marked belong to Class C but represent different functional groups (see Table C in S1 File).
