Abstract
The beta-barrel membrane protein is found in the outer membranes of bacteria, mitochondria and chloroplasts. Approximately 2-3% of the genes in Gram-negative bacterial genomes encode beta-barrels. Whereas there are fewer than 20 known three-dimensional beta-barrel structures, genomic databases currently contain thousands of beta-barrels belonging to dozens of families. New research is revealing the variety of beta-barrel structures and the variety of functions performed by these versatile proteins.
Publication types
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Research Support, U.S. Gov't, P.H.S.
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Review
MeSH terms
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Bacterial Outer Membrane Proteins / chemistry
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Bacterial Outer Membrane Proteins / physiology
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Chloroplasts / chemistry*
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Chloroplasts / physiology*
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Escherichia coli Proteins / chemistry
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Escherichia coli Proteins / physiology
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Gram-Negative Bacteria / chemistry*
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Gram-Negative Bacteria / physiology*
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Hydrolases*
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Membrane Proteins / chemistry*
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Membrane Proteins / physiology*
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Mitochondria / chemistry*
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Mitochondria / physiology*
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Porins
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Protein Structure, Tertiary
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Receptors, Virus / chemistry
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Receptors, Virus / physiology
Substances
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Bacterial Outer Membrane Proteins
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Escherichia coli Proteins
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Membrane Proteins
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Porins
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Receptors, Virus
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maltoporins
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OmpX protein, E coli
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Hydrolases