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Table 6 The number of selected features belonging to each physico-chemical property and for each protein class. The + and − signs indicate, respectively, the descriptors of the positive and negative parts of the corresponding amino acid index

From: Exploring the potential of 3D Zernike descriptors and SVM for protein–protein interface prediction

Protein complex class Receptor ligand Bound unbound Number of selected features  
    Total BLAM930101 + BLAM930101 − BIOV880101 + BIOV880101 − MAXF760101 TSAJ990101 NAKH920108 CEDJ970104 LIFS790101 MIYS990104 + MIYS990104 −
A r b 109 6 9 0 0 13 11 24 2 0 14 30
   u 96 9 9 6 0 4 13 20 3 2 11 19
  l b 89 5 11 1 4 7 21 5 21 7 5 2
   u 85 8 7 2 6 10 21 3 18 4 4 2
AB r b 117 28 0 0 8 4 10 17 20 0 1 29
   u 108 26 0 0 8 3 11 13 16 0 0 31
  l b 78 9 8 3 7 7 6 3 19 5 5 6
   u 75 13 12 7 6 5 6 1 9 5 8 3
EI r b 105 2 0 0 19 11 31 14 10 6 5 7
   u 129 10 12 1 24 8 30 14 11 10 3 6
  l b 91 6 2 0 4 15 21 1 4 6 17 15
   u 80 4 3 0 5 11 12 5 11 3 3 23
ER r b 115 7 0 1 5 23 12 1 23 6 12 25
   u 126 11 1 1 2 3 14 1 27 25 20 21
  l b 100 6 8 10 14 24 4 1 8 3 14 8
   u 100 9 5 12 10 10 18 3 10 7 8 8
ES r b 84 14 0 0 8 1 10 2 18 7 4 20
   u 79 4 4 7 13 5 20 6 8 3 1 8
  l b 83 0 0 9 10 15 7 0 5 15 15 7
   u 86 11 5 14 7 3 13 4 10 7 12 0
OG r b 102 6 9 4 5 29 7 1 8 12 18 3
   u 107 11 13 2 5 23 16 6 11 9 10 1
  l b 92 8 3 6 4 19 7 8 4 8 7 18
   u 78 10 3 2 1 8 9 7 8 12 5 13
OR r b 97 14 0 1 4 23 12 1 5 13 7 17
   u 68 11 0 3 6 5 9 1 18 4 0 11
  l b 79 3 0 0 2 14 6 1 17 17 17 2
   u 100 11 9 0 8 19 8 3 9 10 7 16
OX r b 141 7 14 1 1 9 22 19 34 15 11 8
   u 122 19 4 2 8 12 12 9 24 10 6 16
  l b 132 19 9 2 14 27 12 3 10 10 15 11
   u 118 13 15 1 12 10 17 2 18 8 10 12
Generic model b 83 7 0 0 8 8 9 0 15 5 13 18
   u 76 3 8 1 5 10 10 2 12 4 6 15