Article
X-ray Crystal Structures of the Influenza M2 Proton Channel Drug-Resistant V27A Mutant Bound to a Spiro-Adamantyl Amine Inhibitor Reveal the Mechanism of Adamantane Resistance.
Biochemistry - 4 Feb 2020
Thomaston Jessica L, Konstantinidi Athina, Liu Lijun, Lambrinidis George, Tan Jingquan, Caffrey Martin, Wang Jun, Degrado William F, Kolocouris Antonios
Abstract excerpt
The V27A mutation confers adamantane resistance on the influenza A matrix 2 (M2) proton channel and is becoming more prevalent in circulating populations of influenza A virus. We have used X-ray crystallography to determine structures of a spiro-adamantyl amine inhibitor bound to M2(22-46) V27A and also to M2(21-61) V27A in the Inwardclosed conformation. The spiro-adamantyl amine binding site is nearly identical...
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