Transmissible gastroenteritis virusCoronavirusCoronavirus InfectionsCoronavirus 229E, HumanCoronavirus, BovineSpike Glycoprotein, CoronavirusSARS VirusCoronavirus OC43, HumanCoronavirus, FelineCoronaviridaeCoronavirus, CanineSevere Acute Respiratory SyndromeCoronaviridae InfectionsMurine hepatitis virusInfectious bronchitis virusCoronavirus NL63, HumanNucleocapsid ProteinsCoronavirus, RatCoronavirus, TurkeyPorcine Respiratory CoronavirusViral Envelope ProteinsMolecular Sequence Data