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. 2024 Oct 5;12(10):2021. doi: 10.3390/microorganisms12102021

Figure 2.

Figure 2

Dendrogram of betacoronavirus spike protein RBD sequences, arterivirus GP2 sequences and torovirus sequences constructed using MWHP PCDTW with Euclidean distance and UPGMA hierarchical clustering. ACE2-binding betacoronavirus sequences are highlighted in red, and non-ACE2-binding betacoronavirus sequences are highlighted in blue. Three Arterivirus GP2 sequences that are unique within this study, in that they cluster very closely with ACE2-binding betacoronavirus sequence, are labeled with blue text. This combined dendrogram underscores the similarity of the three arterivirus GP2 sequences to those of the ACE2-binding betacoronavirus sequences.