Table 3 CPSR-based feature encoding
From: DPI_CDF: druggable protein identifier using cascade deep forest
Feature space | Number of features |
|---|---|
Amino acid composition | 20 |
Sequence length | 1 |
2-Gram exchange group frequency | 36 |
Electron group | 6 |
Rigidity | 1 |
Flexibility | 1 |
Irreplaceability | 1 |
R-group | 5 |