CNBP and infection: Further work showed CNBP - a human cell protein that is elevated on infection and binds to SARS-CoV-2 genome - binds and unfold G4s from the SARS-CoV-2 genome in vitro (David et al., 2019; Bezzi et al., 2021; Ruggiero et al., 2021; Schmidt et al., 2021).