Fig. 4From: Integrative overview of antibodies against SARS-CoV-2 and their possible applications in COVID-19 prophylaxis and treatmentSchematic representation of the homotrimeric S structure. The S protein conformations with all “down” (left) and all “up” (right) RBDs were generated with PDB files 7k90 and 7k4n, respectively. The RBM of RBD (center) is highlighted as an orange surfaceBack to article page