FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term beta_turn ID (Ontology) SO:0001133 (Sequence Ontology)
Definition A motif of four consecutive residues that may contain one H-bond, which, if present, is between the main-chain CO of the first residue and the main-chain NH of the fourth. It is characterized by the dihedral angles of the second and third residues, which are the basis for sub-categorization.
Also Known As "beta turn"
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  polypeptide_secondary_structure
   |__polypeptide_turn_motif
       |__beta_turn
           |__beta_turn_left_handed_type_one
           |__beta_turn_left_handed_type_two
           |__beta_turn_right_handed_type_one
           |__beta_turn_right_handed_type_two
           |__beta_turn_type_eight
           |__beta_turn_type_six
               |__beta_turn_type_six_a(+)
               |__beta_turn_type_six_b
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Is a polypeptide_turn_motif
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Synonyms
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