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 nidovirus endoU domains and XendoU from Xenopus laevis. Residues involved in catalysis (*) and substrate binding (&) are indicated. Abbreviations not explained in the main text: EToV, Equine torovirus (subfamily Torovirinae, genus Torovirus); WBV, white bream virus (subfamily Torovirinae, genus Bafinivirus).
