FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term beta_turn_left_handed_type_one ID (Ontology) SO:0001134 (Sequence Ontology)
Definition Left handed type I: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:- Residue(i+1): -140 degrees > phi > -20 degrees, -90 degrees > psi > +40 degrees. Residue(i+2): -140 degrees > phi > -20 degrees, -90 degrees > psi > +40 degrees.
Also Known As "beta turn left handed type one" ; "beta_turn_il" ; "type I' beta turn" (for all, see Synonyms field below)
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  polypeptide_turn_motif
   |__beta_turn
       |__beta_turn_left_handed_type_one
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Synonyms
  • "beta turn left handed type one" EXACT
    "beta_turn_il" EXACT
    "type I' beta turn" EXACT
    "type I' turn" EXACT
Secondary IDs
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