Meta Function	Gene Functional Class (TIGRFam Main Role)	Color Code
Envelope	Cell envelope
Cellular processes	Cellular processes
Metabolism	Amino acid biosynthesis
	Biosynthesis of cofactors, prosthetic groups, and carriers
	Central intermediary metabolism
	Energy metabolism
	Fatty acid and phospholipid metabolism
	Purines, pyrimidines, nucleosides, and nucleotides
	Transport and binding proteins
Genetic Info processing	DNA metabolism
	Mobile and extrachromosomal element functions
	Protein fate
	Protein synthesis
	Transcription
Regulation	Regulatory functions
	Signal transduction
Unknown function	Hypothetical proteins
	Unknown function
RNAs	RNA genes