Fig. 1.

Diagram represents the binding poses of antibodies on the RBD epitope. Class 1 antibodies (C105, PDB: 6XCM) are shown in orange, class 2 (LY-COV555, PDB:7KMG) in gray, class 3 (S309, PDB:7SOC) in magenta, and class 4 (C118, PDB:7RKS) in light sea green