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Advanced Science, EarlyView.This study identifies a new viral mechanism by a viral protein σ3 that functions as a vTR to suppress NF‐κB gene expression via its direct interaction with the host helicase DHX9. Through their interaction, σ3 not only impairs the initial recruitment of Pol II but also affects Pol II pause‐release and ultimately suppresses NF‐κB gene expression ...
Xueyang Pang +12 more
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Simulations of bacterial outer membrane proteins: Towards an e-outer membrane
, 2016 Baaden, M +6 more
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Resolution of distinct steps in mitochondrial protein import [PDF]
, 1988 Bradshaw, Ralph A. +5 more
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Engineering of outer membrane proteins to increase E. coli outer membrane permeability
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Outer membrane protein evolution
Current Opinion in Structural Biology, 2021Outer membrane proteins have remarkably homogeneous structure. They are all up down β-barrels. Up down barrels themselves are composed of repeated sets of β-hairpins. The consistency of the usage of the β-hairpin throughout the outer membrane milieu allows for interrogation of the evolution of these repetitive structures.
Rik, Dhar, Joanna Sg, Slusky
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1998
Pseudomonas aeruginosa is a gram-negative bacterium and as such has an outer membrane. The general functions of the outer membrane include size-dependent exclusion of larger molecules, permitting selective permeability of smaller molecules, uptake of large and small polycations, specific facilitated uptake of certain substrates, export of excreted ...
Robert E. W. Hancock +1 more
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Pseudomonas aeruginosa is a gram-negative bacterium and as such has an outer membrane. The general functions of the outer membrane include size-dependent exclusion of larger molecules, permitting selective permeability of smaller molecules, uptake of large and small polycations, specific facilitated uptake of certain substrates, export of excreted ...
Robert E. W. Hancock +1 more
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Folding of outer membrane proteins
Archives of Biochemistry and Biophysics, 2013Outer membrane proteins (OMPs) represent a large group of β-barrel proteins found both in the membranes of both bacteria and eukaryotes. Their general ease of expression and refolding and straightforward methods to monitor their degree of folding conspire to make OMPs excellent model systems to investigate how the membrane environment and other ...
Otzen, Daniel, Andersen, Kell K
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Outer Membrane Protein Purification
2003The major outer membrane proteins (OMPs) from Neisseria meningitidis, which are expressed at high levels, are subdivided in five classes based on molecular weight (1,2) (see Table 1). Table 1 Major Meningococcal Outer-Membrane Proteins Outer-membrane proteins Name Molecular maass Function/characteristics Class 1 PorA 44-47 kDa Porin Class 2/3 PorB 37 ...
Arigita, C +3 more
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Electroeluted Outer Membrane Proteins as Immunogens
Immunological Investigations, 1994Electroeluted outer membrane proteins [(EOmp), (35-37 KDa, porins)] were highly immunogenic in New Zealand White rabbits. An ELISA peak titer of 51,200 to EOmp as compared to 6,400 for non-eluted outer membrane protein (Omp) was demonstrated. EOmp enhanced the antigenicity of Omp possibly due to epitopes which were masked in the non-eluted antigen. Non-
M, Kawahara +3 more
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Biogenesis of Outer Membrane Proteins
2003The cell envelope of Gram-negative bacteria consists of two membranes, the inner membrane, which is a phospholipid bilayer, and the outer membrane, which is an asymmetrical bilayer with phospholipids and lipopolysaccharides (LPS) in the inner and outer monolayers, respectively. The membranes are separated by the peptidoglycan-containing periplasm. Both
Tommassen, J.P.M., Voulhoux, J.R.
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