Skip to main content

Advertisement

Table 1 Rules for assignment of structural classes based on the content of the corresponding secondary structures.

From: SCPRED: Accurate prediction of protein structural class for sequences of twilight-zone similarity with predicting sequences

reference structural class α-helix amount β-strand amount additional constrains
[13] all-α ≥ 40% ≤ 5%  
  all-β ≤ 5% ≥ 40%  
  α+β ≥ 15% ≥ 15% more than 60% antiparallel β-sheets
  α/β ≥ 15% ≥ 15% more than 60% parallel β-sheets
[14] all-α > 15% < 10%  
  all-β < 15% > 10%  
  mixed > 15% > 10%