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Biological and Environmental Research Ontology
Last uploaded:
December 23, 2022
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| Preferred Name | Alpha Helix | |
| Synonyms |
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| Definitions |
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) |
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| ID |
http://purl.obolibrary.org/obo/NCIT_C13369 |
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| code |
C13369
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| 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)
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| label |
Alpha Helix
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| Legacy Concept Name |
Alpha_Helix
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| Preferred_Name |
Alpha Helix
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| prefixIRI |
NCIT:C13369
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| prefLabel |
Alpha Helix
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| Semantic_Type |
Spatial Concept
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| UMLS_CUI |
C0162805
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| subClassOf |
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