Structural biology in the fight against COVID-19 by Bárcena, M, Barnes, CO, Beck, M, Bjorkman, PJ, Canard, B, Gao, GF, Gao, Y, Hilgenfeld, R, Hummer, G, Patwardhan, A, Santoni, G, Saphire, EO, Schaffitzel, C, Schendel, SL, Smith, JL, Thorn, A, Veesler, D, Zhang, P, Zhou, Q