FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term pi_helix ID (Ontology) SO:0001118 (Sequence Ontology)
Definition The pi helix has 4.1 residues per turn and a translation of 1.15 (=0.115 nm) along the helical axis. The N-H group of an amino acid forms a hydrogen bond with the C=O group of the amino acid five residues earlier.
Also Known As "pi helix"
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  peptide_helix
   |__right_handed_peptide_helix
       |__pi_helix
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Is a right_handed_peptide_helix
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Synonyms
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http://en.wikipedia.org/wiki/Pi_helix "wiki"