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Updated: Mar 19, 2026

Real Time Measurements of Membrane Protein:Receptor Interactions Using Surface Plasmon Resonance SPR
Published on: November 29, 2014
Mechanistic diversity in ATP-binding cassette (ABC) transporters
1Institute of Molecular Biology and Biophysics, Department of Biology, ETH Zurich, Zurich, Switzerland.
Abstract:
ABC transporters catalyze transport reactions, such as the high-affinity uptake of micronutrients into bacteria and the export of cytotoxic compounds from mammalian cells. Crystal structures of ABC domains and full transporters have provided a framework for formulating reaction mechanisms of ATP-driven substrate transport, but recent studies have suggested remarkable mechanistic diversity within this protein family. This review evaluates the differing mechanistic proposals and outlines future directions for the exploration of ABC-transporter-catalyzed reactions.
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