Structural bioinformatics analysis of SARS-CoV-2 variants reveals higher hACE2 receptor binding affinity for Omicron B.1.1.529 spike RBD compared to wild type reference oleh Vedat Durmaz, Katharina Köchl, Andreas Krassnigg, Lena Parigger, Michael Hetmann, Amit Singh, Daniel Nutz, Alexander Korsunsky, Ursula Kahler, Centina König, Lee Chang, Marius Krebs, Riccardo Bassetto, Tea Pavkov-Keller, Verena Resch, Karl Gruber, Georg Steinkellner, Christian C. Gruber