From: Novel methodologies for spectral classification of exon and intron sequences
 | Name | Code | |||
---|---|---|---|---|---|
 |  | C | G | A | T |
1 | Integer Number | 1 | 3 | 2 | 0 |
2 | Single Galois Indicator | 1 | 3 | 0 | 2 |
3 | Paired Nucleotide Atomic Number | 42 | 62 | 62 | 42 |
4 | Atomic Number | 58 | 78 | 70 | 66 |
5 | Molecular Mass | 110 | 150 | 134 | 125 |
6 | EIIP | 0.1340 | 0.0806 | 0.1260 | 0.1335 |
7 | Paired Numeric | -1 | -1 | 1 | 1 |
8 | Real Number | 0.5 | -0.5 | -1.5 | 1.5 |
9 | Complex Number | -1-j | -1+j | 1+j | 1-j |
10 | K-Twin-Pair Code | -1 | -1 | j | j |
11 | K-Bipolar-Pair Code I | -1 | 1 | j | -j |
12 | K-Bipolar-Pair Code II | -1 | 1 | -j | j |
13 | K-Quaternary Code I | -1 | -j | 1 | j |
14 | K-Quaternary Code II | -1 | -j | j | 1 |
15 | K-Quaternary Code III | -j | -1 | 1 | j |
16 | K-Quaternary Code IV | -j | -1 | j | 1 |