Prediction of S-Nitrosylation Modification Sites Based on Kernel Sparse Representation Classification and mRMR Algorithm

Table 1

Distribution of feature type for a sample.

Feature category	Number of features from each category
Evolutionary conservation	21 × 20
Amino acid factor	20 × 5
Secondary structure	21 × 3
Solvent accessibility	21 × 2
Amino acid frequency	20 × 1
Disorder	21 × 1
Number of features of a sample	666