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Table 6 Sizes of feature sets for the considered sequence representations.

From: Prediction of flexible/rigid regions from protein sequences using k-spaced amino acid pairs

     k-spaced AA pairs
Feature representation Composition Vector PSI-BLAST profile Binary Encoding adjacent pairs (dipeptides) 1-spaced pairs ...... p-spaced pairs Total
Number of features 20 315 380 400 400 ...... 400 400(p+1)