serine_threonine_turn
A motif of three consecutive residues and one H-bond in which: residue(i) is Serine (S) or Threonine (T), the side-chain O of residue(i) is H-bonded to the main-chain NH of residue(i+2).
SO:0001128
polypeptide_turn_motif
is_a
serine/threonine turn
exact
st_turn
exact