Table 1 A list of initial features used for classifier construction in addition to AAIndex features.

Length of peptide

Net charge of peptide

Positive charge

Negative charge

Isoelectric point

Molecular weight

Hydropathicity

Count of each amino acid (20 features)

Percent composition of each amino acid (20 features)

Percent polar amino acids

Percent positive amino acids

Percent negative amino acids

Percent hydrophobic amino acids