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Table 2 A representative list of performances of neural networks with different combinations of features used as inputs

From: Protein structure based prediction of catalytic residues

Feature

Matthew’s correlation (%)

C

D

A

K

All residues

Conserved > 3.5

X

   

16.28

22.05

 

X

  

15.51

26.68

  

X

 

10.12

27.56

X

 

X

 

18.71

28.16

 

X

X

 

19.78

32.48

X

X

  

20.56

27.67

X

X

X

 

20.68

28.95

  

X

X

10.95

25.48

  1. C, sequence conservation; D, distance to the GCM; A, residue type; K, closeness. A check symbol on a column indicates that the feature was included in training. The Matthew’s correlation coefficient, expressed as a percentage, was calculated on the validation set after convergence of the training procedure. Networks were trained either with “All residues” or only with residues that showed a conservation value of 3.5 or more. The calculation of the MCC was performed over the entire original set of residues, regardless of the effect of preselection on the overall counts.