Alpha Helix - CISMeF

Preferred Label : Alpha Helix;

NCIt definition : A right-handed spiral conformation; the a-helix has a pitch of 5.4 A and has 3.6 amino acid residues per turn; every main chain C O and N-H group is hydrogen-bonded to a peptide bond 4 residues away; the peptide planes are roughly parallel with the helix axis and the dipoles within the helix are aligned, i.e. all C O groups point in the same direction and all N-H groups point the other way; side chains point outward from helix axis and are generally oriented towards its amino-terminal end. (from expasy.org);

Details

Origin ID

C13369;

UMLS CUI

C0162805;

Automatic exact mappings (from CISMeF team)
- Protein Conformation, alpha-Helical [MeSH Descriptor]
Semantic type(s)
- Spatial Concept [UMLS semantic type]
UMLS correspondences (same concept)
- Protein Conformation, alpha-Helical [MeSH Descriptor]
- Protein Conformation, alpha-Helical [MeSH concept]
is_structural_domain_or_motif_of_gene_product
- Oxidoreductase HTATIP2 [NCIt concept]

Keyword's position in hierarchy(ies) :

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