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. 2023 Jan 12;23(1):36. doi: 10.1007/s10142-023-00962-z

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© The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2023, Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

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Fig. 5 — Phylogenetic tree of ACE2 protein sequences of 143 mammalian species. The circular heatmap represents the binding energy of the Omicron variant (outer circle) and Wuhan-Hu-1 variant (inner circle). The position of the human in the phylogenetic tree is indicated using a red border and star