- beta-barrel
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(=b barrel)Protein motif in which a series of (typically amphipathic) beta sheets is arranged around a central pore. Example: voltage-gated ion channel.
Dictionary of molecular biology. 2004.
beta-barrel
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Beta barrel — A beta barrel is a large beta sheet that twists and coils to form a closed structure in which the first strand is hydrogen bonded to the last. Beta strands in beta barrels are typically arranged in an antiparallel fashion. Barrel structures are… … Wikipedia
Beta sheet — The β sheet (also β pleated sheet) is the second form of regular secondary structure in proteins consisting of beta strands connected laterally by three or more hydrogen bonds, forming a generally twisted, pleated sheet (the most common form of… … Wikipedia
Barril beta — Saltar a navegación, búsqueda Barril beta de la porina específica para sucrosa de la bacteria Salmonella typhimurium, vista de lado. Las porinas son proteínas transmembrana con centros huecos a través de los cuales pueden difundir moléculas… … Wikipedia Español
ATP synthase alpha/beta subunits — Pfam box Symbol = ATP synt ab N Name = ATP synthase alpha/beta family, beta barrel domain width = caption = Pfam= PF02874 InterPro= IPR004100 SMART= PROSITE= PDOC00137 SCOP = 1bmf TCDB = OPM family= OPM protein= PDB=PDB3|1fx0B:23 95 PDB3|1kmhB:23 … Wikipedia
Alpha/beta hydrolase fold — Pfam box Symbol = Abhydrolase 1 Name = width =250 caption = A bacterial lipase, one of this family members Pfam= PF00561 InterPro= IPR000073 SMART= Prosite = SCOP = 1ede TCDB = OPM family= 135 OPM protein= 1qge PDB=PDB3|1q0zA:52 292 PDB3|1q0rA:52 … Wikipedia
LSm — s.The Sm proteins were first discovered as antigens in a patient with a form of systemic lupus erythematosus (SLE), a debilitating autoimmune disease. They were named Sm proteins in honor of this patient, Stephanie Smith. Other proteins with very … Wikipedia
Protein domain — Pyruvate kinase, a protein from three domains (PDB 1pkn) A protein domain is a part of protein sequence and structure that can evolve, function, and exist independently of the rest of the protein chain. Each domain forms a compact three… … Wikipedia
Transmembrane protein — A transmembrane protein is a protein that spans the entire biological membrane. Transmembrane proteins aggregate and precipitate in water. They require detergents or nonpolar solvents for extraction, although some of them (beta barrels) can be… … Wikipedia
Major urinary proteins — Tertiary structure of a mouse major urinary protein. The protein has eight beta sheets (yellow) arranged in a beta barrel open at one end, with alpha helices (red) at both the amino and carboxyl termini. The structure is resolved from Protein… … Wikipedia
Porin (protein) — This article is about family of proteins. For other uses, see Porin. A sucrose specific porin from Salmonella typhimurium, a gram negative bacterium. PDB 1A0S … Wikipedia
