<human>:  How many amino acids are there in the sars virus?
<bot>: Sars virus is a coronavirus. It has a genome of about 6000 base pairs. There are four types of coronaviruses, and sars belongs to the group of beta coronaviruses. The genome of sars is made up of six genes, which encode the following proteins: spike (S), envelope (E), membrane (M), nucleocapsid (N), and nonstructural protein (NS). There are 732 amino acids in the entire genome.