alexa The ATP switch model for ABC transporters.


Journal of Clinical Toxicology

Author(s): Higgins CF, Linton KJ

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Abstract ABC transporters mediate active translocation of a diverse range of molecules across all cell membranes. They comprise two nucleotide-binding domains (NBDs) and two transmembrane domains (TMDs). Recent biochemical, structural and genetic studies have led to the ATP-switch model in which ATP binding and ATP hydrolysis, respectively, induce formation and dissociation of an NBD dimer. This provides an exquisitely regulated switch that induces conformational changes in the TMDs to mediate membrane transport. This article was published in Nat Struct Mol Biol and referenced in Journal of Clinical Toxicology

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