Pathway assignment based on the Kyoto Encyclopedia of Genes and Genomes (KEGG).

<p>(<b>A</b>) Classification based on cellular processes categories, (<b>B</b>) Classification based on environmental information processing categories, (<b>C</b>) Classification based on genetic information processing categories, (<b>D</b>) Classification based on human diseases categories, (<b>E</b>) Classification based on metabolism categories, and (<b>F</b>) Classification based on organismal systems categories.