SARS-CoV-2 Spike Protein (IMAGE) European Molecular Biology Laboratory Caption This is a simulation of four spike proteins (red, orange, blue and grey) of the SARS-CoV-2 virus. The proteins and lipids are shown in surface representation. The discovered protective glycan chains are shown in green. Credit Sören von Bülow, Mateusz Sikora, Gerhard Hummer/MPI of Biophysics Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.