Definition
noun, plural: beta barrels
A large β-sheet that twists and coils to form a closed structure where the first strand is hydrogen bonded to the last.
Supplement
Beta-strands in beta-barrels are typically arranged in an antiparallel fashion. These structures are commonly found in porins and other proteins that span cell membranes and in proteins that bind hydrophobic ligands in the barrel center, as in lipocalins.
Related forms: β-barrel.
Compare: alpha helix.
See also: transmembrane protein.
Dictionary > Beta barrel
You will also like...

Sigmund Freud and Carl Gustav Jung
In this tutorial, the works of Carl Gustav Jung and Sigmund Freud are described. Both of them actively pursued the way h..

Primitive Animals
Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..

Freshwater Lentic Communities & Animals
This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..

Genetic Control – On and Off Genes
Genes are the blueprint of our bodies, a blueprint that creates a variety of proteins essential to any organism's surviv..

Plant Cells vs. Animal Cells
Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..

Hormone Production
Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..