“…Recently, Calcagnile et al have used the HDOCK server in their molecular docking study to understand the hACE2 gene polymorphism, which can interfere with the interaction landscape between the SARS-CoV-2 spike and hACE2 ( Calcagnile et al, 2021 ). Bhattacharya et al have used the HDOCK server in several studies to perform the protein-protein interaction ( Bhattacharya et al, 2020a ; Bhattacharya et al, 2020b ; Bhattacharya et al, 2021b ; Bhattacharya et al, 2022a ).…”