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.
Alignment of partial deduced amino acid sequence of S protein compared with strain TGEV HQ2016. (▴) indicates amino acid 585, (★) indicates 6-nt deletion in the S gene, (•) indicates amino acids of the Purdue subgroup strains include TGEV HQ2016 are different from those of Miller subgroups strains.
