Journal
NATURE METHODS
Volume 10, Issue 8, Pages 759-+Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/NMETH.2533
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Funding
- US National Institute of General Medical Sciences [P50 GM073197, R01 GM095573]
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We designed beta-strand peptides that stabilize integral membrane proteins (IMPs). beta-strand peptides self-assemble in solution as filaments and become restructured upon association with IMPs; resulting IMP-beta-strand peptide complexes resisted aggregation when diluted in detergent-free buffer and were visible as stable, single particles with low detergent background in electron micrographs. beta-strand peptides enabled clear visualization of flexible conformations in the highly dynamic ATP-binding cassette (ABC) transporter MsbA.
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