Charge-surrounded pockets and electrostatic interactions with small ions modulate the activity of retroviral fusion proteins

Refolding of viral class-1 membrane fusion proteins from a native state to a trimer-of-hairpins structure promotes entry of viruses into cells. Here we present the structure of the bovine leukaemia virus transmembrane glycoprotein (TM) and identify a group of asparagine residues at the membrane-dist...

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