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(A) Zoomed view of the binding interface between mACE2 and RBD of variants of concern with cryo-EM densities. (B) Highlighted views of specific interaction sites of patch 1 and patch 2 as indicated in (A). (C) Zoomed view of the binding interface between hACE2 and RBD of variants of concern with cryo-EM densities with highlighted views of specific interaction sites.
