Fig. 3
From: Severe acute respiratory syndrome (SARS) related coronavirus in bats
Spike gene analysis of bat SARSr-CoVs. a Phylogenetic tree of bat SARSr-CoVs S full-length sequences from NCBI database. Three different clades were shown. Bat MERS-related HKU4-CoV was used as outgroup. b Alignment of bat SARSr-CoVs receptor-binding motif (RBM) in spike protein. The residue numbers refer to corresponding regions in SARS-CoV-1 or SARS-CoV-2. Please refer to (a) for accession number or clade information for each viral strain. Dashes indicated residues absent. SP, signal peptide; NTD, N-terminal domain; FP, fusion peptide; HR1, heptad repeat 1; HR2, heptad repeat 2; TM, transmembrane domain; CP, cytoplasmic domain