Figure 5
From: Predicting the protein-protein interactions using primary structures with predicted protein surface
![Figure 5](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1471-2105-11-S1-S3/MediaObjects/12859_2010_Article_3953_Fig5_HTML.jpg)
Encoding a protein sequence as a feature vector using conjoint triads. Step 1: Transform the amino acid sequence into the group sequence. Step 2: Scan the predicted surface along the group sequence, and count the triads in the occurrence vector O.