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Elisar Barbar & Aidan Estelle

A tail goes viral by forming an anchor and a tether

In this issue of Structure, Aiyer et al. (2021) report NMR structures of BET:MLV IN complexes, highlighting a role for the disordered tail domain of MLV IN in viral integration. These studies expand the understanding of molecular recognition polymorphism in BET complexes and offer insight into cancer and antiviral therapeutics.