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Table 3 Prediction of the two main types of secondary structure: helix and strand.

From: Prediction of backbone dihedral angles and protein secondary structure using support vector machines

CB513

Measure

Helix ( l ≥ 4 res)

Stand ( l ≥ 3 res)

Q>65

83.7%

72.6%

Short (l ≤ 8)

65.6%

74.8%

Med (8 <l ≤ 15)

94.4%

57.1%

Long (l > 15)

97.3%

27.3%

N-term res

73.4%

62.7%

C-term res

62.5%

59.1%

  1. l: length of the secondary structure element
  2. Q>65: the percentage of elements that have more than 65% of their residues predicted correctly
  3. Short: Q>65 of elements with length up to eight residues
  4. Med: Q>65 of elements with length between nine and 15 residues
  5. Long: Q>65 of elements with length more than 15 residues
  6. N-term res: the percentage of elements whose first residue (N-terminal) is predicted correctly
  7. C-term res: the percentage of elements whose last residue (C-terminal) is predicted correctly.
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BMC Bioinformatics

ISSN: 1471-2105

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