In protein structures, a beta barrel (β barrel) is a beta sheet (β sheet) composed of tandem repeats that twists and coils to form a closed toroidal structure...
15 KB (1,669 words) - 19:01, 2 November 2024
An alpha/beta barrel is a protein fold formed by units composed of a short α-helix followed by two anti-parallel β-strands, followed by an α-helix and...
2 KB (259 words) - 02:59, 27 October 2024
The TIM barrel (triose-phosphate isomerase), also known as an alpha/beta barrel,: 252 is a conserved protein fold consisting of eight alpha helices (α-helices)...
46 KB (4,820 words) - 13:28, 10 September 2024
detergents or nonpolar solvents for extraction, although some of them (beta-barrels) can be also extracted using denaturing agents. The peptide sequence...
21 KB (2,262 words) - 15:51, 18 July 2024
Porins are beta barrel proteins that cross a cellular membrane and act as a pore, through which molecules can diffuse. Unlike other membrane transport...
17 KB (2,151 words) - 15:07, 1 October 2024
The beta sheet (β-sheet, also β-pleated sheet) is a common motif of the regular protein secondary structure. Beta sheets consist of beta strands (β-strands)...
27 KB (3,120 words) - 01:54, 14 August 2024
(Y66H),Y145F for higher quantum yield, H148G for creating a hole into the beta-barrel and several other mutations that increase solubility. Zn(II) binding...
63 KB (7,449 words) - 17:30, 13 November 2024
roll (options), an options trading strategy Jelly roll fold, a type of beta barrel protein domain structure Jelly roll (battery), a type of battery construction...
1 KB (179 words) - 01:41, 30 September 2024
first identified member of the pore forming beta-barrel toxin family. This toxin consists mostly of beta-sheets (68%) with only about 10% alpha-helices...
7 KB (802 words) - 14:30, 20 September 2021
11-stranded beta barrel. This structure is almost identical to the tertiary structure of DsRed which also has an 11-stranded beta barrel, and is similar...
13 KB (1,654 words) - 15:39, 18 September 2024
elaboration on the Greek key motif and is sometimes considered a form of beta barrel. It is very common in viral proteins, particularly viral capsid proteins...
27 KB (2,889 words) - 19:21, 10 December 2023
metabolites between the cytosol and the intermembrane space. It is formed as a beta barrel that spans the outer membrane, similar to that in the gram-negative bacterial...
167 KB (18,357 words) - 17:01, 19 November 2024
translocates inside the beta-barrel, leading to transportation of the passenger domain from the C terminus to the N terminus through the beta-barrel lumen. In essence...
36 KB (3,951 words) - 00:36, 13 September 2024
prediction is the homology (PolyPhobius).” It is also possible to predict beta-barrel membrane proteins' topology. Endomembrane system Integral membrane protein...
11 KB (1,023 words) - 03:17, 2 September 2024
Mycobacterial porins are a group of transmembrane beta-barrel proteins produced by mycobacteria, which allow hydrophilic nutrients to enter the bacterium...
2 KB (228 words) - 12:14, 8 November 2023
TMDs may consist of one or several alpha-helices or a transmembrane beta barrel. Because the interior of the lipid bilayer is hydrophobic, the amino...
8 KB (1,006 words) - 02:00, 4 November 2024
hand" fold (InterPro: IPR043502) and the "double psi beta barrel" (often simply "double-barrel") fold. The former is seen in almost all DNA polymerases...
7 KB (673 words) - 23:08, 9 July 2024
communications protocol Translocon at the outer membrane of chloroplast, in beta barrel Total organic carbon in an organic compound TOC1 (gene), a gene that...
2 KB (257 words) - 14:56, 24 July 2024
membrane. Proteins which use this pathway have the capability to form a beta-barrel with their C-terminus which inserts into the outer membrane, allowing...
26 KB (2,981 words) - 11:14, 25 October 2024
considered as two Greek key motifs with 2-fold internal symmetry, a Greek key beta-barrel. One unique structural feature found in SMPI is in its extension between...
20 KB (1,858 words) - 03:56, 20 October 2024
Quinoproteins generally embed the cofactor in a unique, six-bladed beta-barrel structure. Some examples also have a heme C prosthetic group and are...
11 KB (1,056 words) - 10:00, 2 May 2024
Rossmann fold. The central domain of Ku70 and Ku80 is a DNA-binding beta-barrel domain. Ku makes only a few contacts with the sugar-phosphate backbone...
15 KB (1,695 words) - 15:03, 17 January 2023
lipid bilayers irreversibly and can form transmembrane alpha-helical or beta-barrel channels. Such transformations occur in pore forming toxins such as colicin...
55 KB (4,414 words) - 20:08, 7 October 2024
Pore-forming toxin (section Beta-pore-forming toxins)
can be divided into two categories, depending on the alpha-helical or beta-barrel architecture of their transmembrane channel that can consist either of...
35 KB (4,112 words) - 01:24, 21 April 2024
a six beta-strand core flanked by six alpha-helices. Domains II and III of EF-Tu, the oligonucleotide-binding domains, both adopt beta-barrel structures...
27 KB (3,174 words) - 04:58, 8 July 2024
protein fold that consists of six beta hairpins, each formed by two beta strands. Together these form a beta barrel with a triangular "cap", each consisting...
2 KB (249 words) - 21:53, 27 October 2024
membrane proteins typically have a unique beta barrel structure that spans the membrane. The beta barrels fold to expose a hydrophobic surface before...
11 KB (1,294 words) - 12:06, 14 August 2024
3-layered beta-sandwiches fold and a core, 6-stranded beta-barrel structure. The beta-barrel has a hydrophobic core. The triple-layered beta-sandwich is...
41 KB (5,024 words) - 06:58, 27 July 2024
It is a five stranded beta barrel that forms an OB fold. The beta-grasp domain has some structural similarities to the beta-grasp motif present in...
7 KB (734 words) - 22:02, 20 September 2024
and consists of a five-stranded antiparallel beta barrel. Conserved residues on one face of the barrel and adjacent loops form the putative RNA-binding...
3 KB (305 words) - 19:11, 24 July 2024