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.
N-glycosylation sequons in gp120. (A) The contour map shows higher density of NXS in the N terminal region and emergence of NXS in the new locations (marked by black ovals). (B) The density of NXT is higher in the C terminal region. The apparent emergence of NXT in the new location is marked by a black oval.
