An alpha helix (or α-helix) is a sequence of amino acids in a protein that are twisted into a coil (a helix). The alpha helix is the most common structural...

substructures, known as alpha helices. The word helix comes from the Greek word ἕλιξ, "twisted, curved". A "filled-in" helix – for example, a "spiral"...

process of protein folding. A helix hairpin, also known as an alpha-alpha hairpin, is composed of two antiparallel alpha helices connected by a loop of...

a membrane-spanning protein domain. TMDs may consist of one or several alpha-helices or a transmembrane beta barrel. Because the interior of the lipid...

composed of repeating alpha helix subunits, commonly helix-turn-helix motifs, arranged in antiparallel fashion to form a superhelix. Alpha solenoids are known...

bodies. A single molecule study in 2008 suggests alpha-synuclein exists as a mix of unstructured, alpha-helix, and beta-sheet-rich conformers in equilibrium...

structure of α-keratin is very similar to that of a traditional protein α-helix and forms a coiled coil. Due to its tightly wound structure, it can function...

structures of biological molecules, and showed the importance of the alpha helix and beta sheet in protein secondary structure. Pauling's approach combined...

in proteins (the alpha helix). Linus Pauling was the first to identify the 3.6 amino acids per helix turn ratio of the alpha helix. Crick was witness...

to exist in an alpha-helical conformation and the leucine side chains from one alpha helix interdigitate with those from the alpha helix of a second polypeptide...

Helix-turn-helix is a DNA-binding domain (DBD). The helix-turn-helix (HTH) is a major structural motif capable of binding DNA. Each monomer incorporates...

In molecular biology, the collagen triple helix or type-2 helix is the main secondary structure of various types of fibrous collagen, including type I...

fraction of the molecule in an alpha helix conformation versus turn or random coil. The main attraction in investigating alpha helix formation is that one encounters...

evidence to confirm the alpha helix, which he showed to Bragg first thing on Monday. Perutz' confirmation of the alpha helix structure was published in...

{\displaystyle \alpha } -helix bundle, where one α {\displaystyle \alpha } -helix is contributed by syntaxin 1, one α {\displaystyle \alpha } -helix by synaptobrevin...

receptor, the fibrinogen alpha chain, the integrin alpha chain, Hemoglobin, alpha 1 It should be distinguished from the term alpha helix, which refers to one...

molecular weight of 3454.93 daltons. Its structure comprises a single alpha helix. Alternative splicing of the gene coding for calcitonin produces a distantly...

acids are bound together to form a triple helix of elongated fibril known as a collagen helix. The collagen helix is mostly found in connective tissue such...

(2001-12-01). "Stabilizing nonpolar/polar side-chain interactions in the alpha-helix". Proteins. 45 (4): 449–455. doi:10.1002/prot.1161. ISSN 0887-3585. PMID 11746692...

distinct CD to its respective molecules. Therefore, the alpha helix of proteins and the double helix of nucleic acids have CD spectral signatures representative...

inhibiting viral integration. It adopts an unusual winged-helix structure in which two alpha helices are packed against two extended strands. Also present...

co-authored with Francis Crick the academic paper in Nature proposing the double helix structure of the DNA molecule. Watson, Crick and Maurice Wilkins were awarded...

In mechanical engineering, a helix angle is the angle between any helix and an axial line on its right, circular cylinder or cone. Common applications...

structures, IL5 is a homodimer. The fold contains an anti-parallel 4-alpha-helix bundle with a left handed twist, connected by a 2-stranded anti-parallel...

Ramachandran plot. DynoPlot in PyMOL wiki Link to Ramachandran Plot Map of alpha-helix and beta-sheet locations Archived 2006-10-11 at the Wayback Machine Link...

base pair changed, structure is also changed and an alpha helix can no longer be formed. The alpha helix was the recognizable structure for the aminoacyl...

short peptide does not form an alpha helix, this suggests that it is the nest, rather than being at the N-terminus of a helix, that is the main phosphate...

the focusing regions of the ionosphere; the propagation of Davydov's alpha-helix solitons, which are responsible for energy transport along molecular...

PPII helix is relatively open and has no internal hydrogen bonding, as opposed to the more common helical secondary structures, the alpha helix and its...

1960s and early 1970s, focused on identifying likely alpha helices and were based mainly on helix-coil transition models. Significantly more accurate predictions...