The role of Zn ions in the interaction between SARS-CoV-2 orf7a protein and BST2/tetherin S. Botticelli, R. Chiaraluce, V. Consalvi, G. La Penna, A. Pasquo, M. Petrosino, O. Proux, G. C. Rossi, F. Stellato and S. Morante Eur. Phys. J. Plus, 138 3 (2023) 216 Published online: 08 March 2023 DOI: 10.1140/epjp/s13360-023-03731-w