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Binding of Spike Protein to Heparin and ACE2 and Electron Micrographs of the Spike-ACE2 Complexes, Related to Figure 2
(A) SARS-CoV-2 spike binding to immobilized heparin or BSA.
(B) ACE2 binding to immobilized spike protein.
(C) Transmission electron micrographs of stabilized spike protein treated with ACE2 and with or without dp20 for 15 min or 1 h.
(D) 2D classes averages for each condition.
