Feature groups | Descriptor | Models | |
---|---|---|---|
Eukaryotic | Prokaryotic | ||
Amino acid composition | Amino acid composition (AAC) | – | 1 |
 | Enhanced amino acid composition (EAAC) | 1 | 10 |
 | Composition of k-spaced amino acid pairs (CKSAAP) | 8 | 4 |
 | Dipeptide composition (DPC) | 3 | 1 |
 | Tripeptide composition (TPC) | 41 | 6 |
Grouped amino acid composition | Grouped amino acid composition (GAAC) | 1 | 2 |
 | Enhanced grouped amino acid composition (EGAAC) | – | 10 |
 | Composition of k-spaced amino acid group pairs (CKSAAGP) | 6 | 18 |
 | Grouped dipeptide composition (GDPC) | 2 | 2 |
 | Grouped tripeptide composition (GTPC) | – | 1 |
C/T/D | Composition (CTD-C) | 1 | 11 |
 | Distribution (CTD-D) | – | 1 |
 | Transition (CTD-T) | – | 11 |
Conjoint Triad | Conjoint Triad (C-Triad) | 2 | 2 |
 | Conjoint k-spaced Triad (CKS-Triad) | 2 | 2 |
Quasi-sequence-order | Sequence-order-coupling number (SOC-Number) | – | 2 |
 | Quasi-sequence-order descriptors (QS-Order) | 1 | 4 |
Pseudo-amino acid composition | Pseudo-amino acid composition (PAAC) | 1 | 1 |
 | Amphiphilic PAAC (APAAC) | 1 | - |
Autocorrelation | Normalized Moreau-Broto (NM-Broto) | – | – |
 | Moran | 1 | – |
 | Geary | 1 | – |
Binary | Binary | 3 | 5 |
AA-index | AA-index | 64 | 52 |
BLOSUM62 | BLOSUM62 matrix | – | 4 |
Z-scale | Z-scale | 1 | – |