An official website of the United States government
Here's how you know
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.
Superposition of isosurfaces of nucleocapsids from VEE (yellow) and Sindbis (blue) viruses showing the different orientations of their pentameric and hexameric capsomeres. Arrows indicate the positions of representative CCD proteins within the capsomeres.