The beta hairpin (sometimes also called beta-ribbon or beta-beta unit) is a simple protein structural motif involving two beta strands that look like a...
11 KB (1,475 words) - 09:52, 12 November 2022
Supersecondary structure (section Beta hairpin)
beta hairpins is unknown. A beta hairpin has two antiparallel beta strands that are at about a 90 degree angle to each other. It is formed by a beta hairpin...
7 KB (804 words) - 01:22, 27 September 2023
the loop of a beta hairpin. In the other sort, the beta link, the beta bulge occurs in combination with, and overlaps, a type II beta turn. At the level...
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Turn (biochemistry) (section Hairpins)
different definitions of β sheets) the β hairpin is defined as X:Y. Beta turns at the loop ends of beta hairpins have a different distribution of types...
16 KB (1,797 words) - 22:41, 25 April 2024
in that order. Beta turns are especially common at the loop ends of beta hairpins; they have a different distribution of types from the others; type I'...
9 KB (1,100 words) - 03:01, 2 March 2024
binding to the substrate. When chymosin is not binding substrate, a beta-hairpin, sometimes referred to as "the flap," can hydrogen bond with the active...
12 KB (1,306 words) - 17:48, 23 April 2024
monomeric A-state form containing a stable beta-hairpin: atomic details of trimer dissociation and local beta-hairpin stability from residual dipolar couplings"...
2 KB (230 words) - 15:38, 18 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
repeats. Beta hairpin Extremely common. Two antiparallel beta strands connected by a tight turn of a few amino acids between them. Greek key Four beta strands...
11 KB (1,202 words) - 06:34, 26 April 2024
Pseudomonas specific peptidomimetic antibiotic. It is a synthetic cyclic beta hairpin peptidomimetic based on the cationic antimicrobial peptide protegrin...
12 KB (1,186 words) - 21:12, 16 May 2024
essential for toxin activity. It has been proposed that this surface of the beta-hairpin is a key site for interaction of the toxin with insect calcium channels...
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six beta hairpins, each formed by two beta strands. Together these form a beta barrel with a triangular "cap", each consisting of three hairpins. Overall...
2 KB (249 words) - 21:53, 27 October 2024
elongation complex forms. The ssRNAP holds a DNA-RNA hybrid of 8bp. A beta-hairpin specificity loop (residues 739-770 in T7) recognizes the promoter; swapping...
9 KB (1,030 words) - 18:30, 12 June 2024
as id code 7ahl. Seven monomers each contribute a long beta-hairpin to a fourteen stranded beta barrel that forms a pore in the cell membrane. This pore...
7 KB (802 words) - 14:30, 20 September 2021
primarily within the membrane and consists of 7 transmembrane helices and a beta-hairpin, which interacts with the soluble region of the B subunit. A conserved...
16 KB (1,946 words) - 20:49, 22 July 2024
activity. Theta defensins form a single beta-hairpin structure and represent a distinct group. Only alpha and beta-defensins are expressed in humans. Although...
34 KB (3,453 words) - 03:33, 27 May 2024
cathelicidins may also be small-sized molecules (12-18 residues) with beta-hairpin structures, stabilized by one or two disulphide bonds. Even larger cathelicidin...
32 KB (3,739 words) - 01:40, 5 August 2024
elements, including a triple-stranded, antiparallel beta sheet with strands 2 and 3 in a beta hairpin conformation. The determination of other structural...
11 KB (1,444 words) - 19:40, 16 May 2024
phase.[citation needed] Arenicin-1 is composed of 21 amino acids with a beta hairpin structure. It contains one disulfide bond connecting Cys3 and Cys20,...
9 KB (1,021 words) - 16:16, 8 June 2024
HE, Dokholyan NV (November 2003). "Mechanism for the alpha-helix to beta-hairpin transition". Proteins. 53 (2): 220–228. doi:10.1002/prot.10468. PMID 14517973...
81 KB (10,199 words) - 04:47, 11 October 2024
chain reversal such that they often occur at the loop ends of beta hairpins; hairpins of this sort can be described as 3:5 (for a type 1 β bulge loop)...
5 KB (590 words) - 03:36, 29 November 2023
A beta-lactamases, possibly through flexibility of its two domains. The two tandemly repeated domains of BLIP have an α2-β4 structure, the β-hairpin loop...
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DnaQ-like domain common to the B-DNA polymerase family. This domain has a beta hairpin structure that helps in switching between the polymerase and exonuclease...
75 KB (7,954 words) - 13:13, 2 November 2024
formerly possible. Researchers used the results of this study to identify a beta hairpin that was a major source of molecular interactions within the structure...
154 KB (14,601 words) - 07:23, 2 November 2024
research began with studies of non-covalent interactions in peptide beta-hairpin model systems, specifically, how pi-pi and cation-pi system interactions...
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duplication. The adenosine nucleotide binding site is located between two beta hairpin-shaped structures pertaining to the I and III domains. The residues that...
153 KB (18,282 words) - 06:31, 29 October 2024
repeat is structurally longer. The Asp-box itself adopts a well-defined beta-hairpin fold. These repeats are found in a variety of non-homologous proteins...
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protein. D-alpha-amino acid - L-alpha-amino acid sequence can induce beta hairpin. It suggested that acyclic secondary amino acids are more flexible than...
3 KB (300 words) - 12:48, 31 March 2024
Wang P, Wu Y, Ge X, Ma L, Pei G (March 2003). "Subcellular localization of beta-arrestins is determined by their intact N domain and the nuclear export signal...
34 KB (4,010 words) - 17:12, 19 August 2024
highlighted: JmJ(N-terminus, red; C-terminus, yellow), Zinc finger domain (light purple), Beta-hairpin (light blue), and mixed domain linker (green)....
25 KB (3,087 words) - 22:52, 3 December 2023