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. 2024 Oct 7;15:8574. doi: 10.1038/s41467-024-52808-2

Fig. 5. Comparisons of the angles between RBDs and the horizontal plane.

Fig. 5

A–C Protomer of S-proteins in SARS-CoV and SARS-CoV-2 BA.2.86 S─ACE2 complex. Angles between the axis of RBDs in the SARS-CoV-2 BA.2.86 or SARS-CoV and the horizontal plane are shown to the right of each conformation. A Surfaces of SARS-CoV S─ACE2 complex. Left: ACE2-bound conformation 1 (S; light pink). Middle: Unbound-down conformation (S; blue gray). Right: ACE2-bound conformation 3 (S; blue). B Surfaces of BA.2.86 S–ACE2 complex. Left: RBD-down–ACE2 conformation (S; orange). Middle: RBD-down conformation in the apo form (S; sky blue). Right: RBD-up–ACE2 (S; dark olive green). C Surfaces of BA.2.86 S─ACE2 complex treated at 42 °C for 1 h. Left: highly-open RBD conformation (S; mint green). Right: partially-open RBD conformation (S; dark yellow).