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.
Tree topology according to [80]. Yellow block: Tick-Box motif; hatched yellow background: Tick-Box overlapped to trnL(CUN); bold case: genes encoded by the J-strand.
