SARS-CoV-2 GPCR Family Subtypes and Products

"Three coronaviruses have emerged over the last 20 years as serious human pathogens: SARS-CoV was identified as the causative agent in an outbreak in 2002-2003 outbreak, Middle East respiratory syndrome (MERS) CoV emerged in 2012 and the novel coronavirus SARS-CoV-2 emerged in 2019-2020.These are all enveloped, single-stranded positive-sense RNA viruses whose genomes and protein structures are highly conserved" (Alexander SP, Ball JK, Tsoleridis T).