locus-tag	class	description
	L	INFORMATION STORAGE AND PROCESSING; Replication, recombination and repair
	F	METABOLISM; Nucleotide transport and metabolism
	J	INFORMATION STORAGE AND PROCESSING; Translation, ribosomal structure and biogenesis
	K	INFORMATION STORAGE AND PROCESSING; Transcription
	O	CELLULAR PROCESSES AND SIGNALING; Post-translational modification, protein turnover, and chaperones
	L	INFORMATION STORAGE AND PROCESSING; Replication, recombination and repair