FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
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General Information
Term beta_turn_type_six_b ID (Ontology) SO:0001154 (Sequence Ontology)
Definition A motif of four consecutive peptide residues, of which the i+2 residue is proline, and 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 and is characterized by the dihedral angles: Residue(i+1): phi ~ -120 degrees, psi ~ 120 degrees. Residue(i+2): phi ~ -60 degrees, psi ~ 0 degrees.[ PubMed:2371257 ]
Also Known As "beta turn type six b" ; "type VIb beta turn" ; "type VIb turn"
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  beta_turn
   |__beta_turn_type_six
       |__beta_turn_type_six_b
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Synonyms
  • "beta turn type six b" EXACT
    "type VIb beta turn" EXACT
    "type VIb turn" EXACT
Secondary IDs
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