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Multiple sequence alignment using Clustal Omega of the RBD of related virus strains. Heparin binding sites identified in previous papers [19], [33] are highlighted and colored according to hydrophobicity in Jalview [101]. Bat, mink, and pangolin strains were compared to the human coronaviruses, as these species are theorized to be the zoonotic hosts of the viruses [80], [81].
