Fig. 2

The phylogenetic illustration of the receptor-binding domain (RBD) in various betacoronaviruses a. The structure of RBD in SARS-CoV b, 2019-nCoV c, and MERS-CoV d [21]
The phylogenetic illustration of the receptor-binding domain (RBD) in various betacoronaviruses a. The structure of RBD in SARS-CoV b, 2019-nCoV c, and MERS-CoV d [21]