Mechanosensitivity of an ABC Membrane Transporter Revealed by Single Molecule FRET and Activity Measurement

A Damm, SJ Paik, RK Sadhu, A Di Cicco, J Manzi… - bioRxiv, 2024 - biorxiv.org
While mechanosensitive ion channels' gating has been well documented, the effect of
membrane mechanics, in particular membrane curvature, on the function of transporters …

Conformational dynamics of the ABC transporter McjD seen by single‐molecule FRET

F Husada, K Bountra, K Tassis, M de Boer… - The EMBO …, 2018 - embopress.org
ABC transporters utilize ATP for export processes to provide cellular resistance against
toxins, antibiotics, and harmful metabolites in eukaryotes and prokaryotes. Based on static …

Lipid-dependent conformational dynamics of bacterial ATP-binding cassette transporter Sav1866

SA Badiee, J Hettige, M Moradi - bioRxiv, 2024 - biorxiv.org
Sav1866, a bacterial ATP-binding cassette (ABC) exporter, plays a crucial role in cellular
processes by facilitating the efflux of a diverse range of substrates, including drugs …

Biophysical methods toolbox to study ABC exporter structure and function

T Marcellino, V Srinivasan - Biological Chemistry, 2017 - degruyter.com
ABC exporters are highly dynamic membrane proteins that span a huge spectrum of
different conformations. A detailed integrated approach of cellular, biochemical and …

The ABC transporter MsbA adopts the wide inward-open conformation in E. coli cells

L Galazzo, G Meier, D Januliene, K Parey… - Science …, 2022 - science.org
Membrane proteins are currently investigated after detergent extraction from native cellular
membranes and reconstitution into artificial liposomes or nanodiscs, thereby removing them …

The ABC transporter MsbA in a dozen environments

L Hoffmann, A Baier, L Jorde, M Kamel, JH Schaefer… - bioRxiv, 2024 - biorxiv.org
High-resolution structure determination of membrane proteins typically requires isolation
from the native lipid bilayer and reconstitution into artificial membrane mimics. For this …

Watching conformational dynamics of ABC transporters with single-molecule tools

F Husada, G Gouridis, R Vietrov… - Biochemical Society …, 2015 - portlandpress.com
ATP-binding cassette (ABC) transporters play crucial roles in cellular processes, such as
nutrient uptake, drug resistance, cell-volume regulation and others. Despite their …

Mechanistic determinants of the directionality and energetics of active export by a heterodimeric ABC transporter

N Grossmann, AS Vakkasoglu, S Hulpke… - Nature …, 2014 - nature.com
The ATP-binding cassette (ABC) transporter associated with antigen processing (TAP)
participates in immune surveillance by moving proteasomal products into the endoplasmic …

The ABC transporter MsbA in a dozen environments

A Moeller, L Hoffmann, A Baier, L Jorde, M Kamel… - 2024 - researchsquare.com
High-resolution structure determination of membrane proteins typically requires isolation
from the native lipid bilayer and reconstitution into artificial membrane mimics. For this …

Thermodynamic basis for conformational coupling in an ATP-Binding cassette exporter

K Barth, M Rudolph, T Diederichs… - The Journal of …, 2020 - ACS Publications
ATP-binding cassette (ABC) transporters constitute one of the largest protein superfamilies,
and they mediate the transport of diverse substrates across the membrane. The molecular …