Sequence Types and Features Ontology

Last uploaded: November 18, 2024
Preferred Name

alpha_helix
Synonyms

a-helix

helix

Definitions

The helix has 3.6 residues per turn which corresponds to a translation of 1.5 angstroms (= 0.15 nm) along the helical axis. Every backbone N-H group donates a hydrogen bond to the backbone C=O group of the amino acid four residues earlier. Range.

ID

http://purl.obolibrary.org/obo/SO_0001117

comment

Range.

database_cross_reference

http://en.wikipedia.org/wiki/Alpha_helix

definition

The helix has 3.6 residues per turn which corresponds to a translation of 1.5 angstroms (= 0.15 nm) along the helical axis. Every backbone N-H group donates a hydrogen bond to the backbone C=O group of the amino acid four residues earlier.

has_alternative_id

BS:00040

has_obo_namespace

sequence

has_related_synonym

a-helix

helix

id

SO:0001117

in_subset

http://purl.obolibrary.org/obo/so#biosapiens

label

alpha_helix

notation

SO:0001117

prefLabel

alpha_helix

subClassOf

http://purl.obolibrary.org/obo/SO_0001116

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