| Abbreviation | Num. Values | Feature |
| sasa2 | 2 | SASA |
| sasa3 | 3 | SASA |
| sasa4 | 4 | SASA |
| sasa20 | 20 | SASA |
| ipp2 | 2 | IPP |
| ipp3 | 3 | IPP |
| ipp4 | 4 | IPP |
| aa | 20 | Amino Acids |
| pn | 3 | Pos/Neg/Neut Amino acids |
| ss | 3 | Secondary Structure |
| prof5 | 5 | Full profiles |
| prof10 | 10 | Full profiles |
| prof20 | 20 | Full profiles |
| pssmcon5w5 | 5 | Concatenated PSSMs, sliding window size 5 |
| pssmcon10w5 | 10 | Concatenated PSSMs, sliding window size 5 |
| pssmcon20w5 | 20 | Concatenated PSSMs, sliding window size 5 |
| strn5d14s3 | 5 | Structural neighbor counts, within 14 angstroms, sequence distance > 3 |
| strn10d14s3 | 10 | Structural neighbor counts, within 14 angstroms, sequence distance > 3 |
| strn20d14s3 | 20 | Structural neighbor counts, within 14 angstroms, sequence distance > 3 |
| strpssm5d14s3 | 5 | Structural neighbor sums of PSSMs, within 14 angstroms, sequence distance > 3 |
| strpssm10d14s3 | 10 | Structural neighbor sums of PSSMs, within 14 angstroms, sequence distance > 3 |
| strpssm20d14s3 | 20 | Structural neighbor sums of PSSMs, within 14 angstroms, sequence distance > 3 |
| wang5w11 | 5 | pKa, hydropath, moelcular mass used by Wang and Brown (2006) |
| wang10w11 | 10 | pKa, hydropath, moelcular mass used by Wang and Brown (2006) |
| wang20w11 | 20 | pKa, hydropath, moelcular mass used by Wang and Brown (2006) |
| profcon5w5 | 5 | Concatenated profiles, sliding window size 5 |
| profcon10w5 | 10 | Concatenated profiles, sliding window size 5 |
| profcon20w5 | 20 | Concatenated profiles, sliding window size 5 |
| pssm5 | 5 | Position Specific Scoring Matrix only |
| pssm10 | 10 | Position Specific Scoring Matrix only |
| pssm20 | 20 | Position Specific Scoring Matrix only |