Fig. 4

RBD's 2D DIMPOT interactions representation, including hydrogen interactions in mutant complexes. Original Wuhan strain (A), Omicron variant BA.1.1 which has the highest binding affinity among all variants in USA (B), Omicron variant BA.1.1 which has the highest binding affinity among all variants in India (C), Delta variant B.1.617.2 which has the highest binding affinity among all variants in France (D), Omicron variant BA.1.1 which has the highest binding affinity among all variants in Germany (E), Omicron variant BA.1.1 which has the highest binding affinity among all variants in Brazil (F)