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Not all Bacterial Outer Membrane Proteins are β-Barrels
2023AbstractThe discovery of WzA, an octomeric helical barrel integral bacterial outer membrane protein, has challenged the widely held understanding that all integral outer membrane proteins of gram-negative bacteria are closed β-barrels composed of transmembrane β-strands.
John Heido +5 more
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Role of a Highly Conserved Bacterial Protein in Outer Membrane Protein Assembly
Science, 2003After transport across the cytoplasmic membrane, bacterial outer membrane proteins are assembled into the outer membrane. Meningococcal Omp85 is a highly conserved protein in Gram-negative bacteria, and its homolog Toc75 is a component of the chloroplast protein-import machinery.
Voulhoux, J.R. +4 more
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Protein oligomerization in the bacterial outer membrane
2009The formation of homo-oligomeric assemblies is a well-established characteristic of many soluble proteins and enzymes. Oligomerization has been shown to increase protein stability, allow allosteric cooperativity, shape reaction compartments and provide multivalent interaction sites in soluble proteins. In comparison, our understanding of the prevalence
Guoyu, Meng +3 more
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The simulation approach to bacterial outer membrane proteins.
Molecular membrane biology, 2004The outer membrane of Gram-negative bacteria serves as a protective barrier against the external environment but is rendered selectively permeable to nutrients and waste by proteins called porins. Other outer membrane proteins (OMPs) provide the membrane with a variety of other functions including active transport, catalysis, pathogenesis and signal ...
Peter J, Bond, Mark S P, Sansom
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Export and assembly of bacterial outer membrane proteins
Antonie van Leeuwenhoek, 1992Tommassen, J, Struyvé, M, de Cock, H
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β-Barrel proteins from bacterial outer membranes: structure, function and refolding
Current Opinion in Structural Biology, 1999Recently solved outer membrane protein structures include the smallest and largest known beta-barrel structures, with functions distinct from the general and specific porins. Both protein expressed in outer membranes and protein deposited as cytoplasmic aggregates have been used for the structure determinations.
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Bacterial outer membrane proteins: topological analyses and biotechnological perspectives.
Membrane & cell biology, 2000The outer membrane proteins (OMPs) from gram-negative bacteria form a distinct group of integral membrane proteins with unusual primary, secondary and tertiary structures. Unlike typical prokaryotic and eukaryotic membrane proteins, bacterial OMPs contain primarily polar sequences, arranged in amphipathic antiparallel beta-barrels, and inclined to the ...
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