locus-tag	class	description
PBI_BIGCHEESE_38	L	INFORMATION STORAGE AND PROCESSING; Replication, recombination and repair
PBI_BIGCHEESE_81	K	INFORMATION STORAGE AND PROCESSING; Transcription
PBI_BIGCHEESE_82	K	INFORMATION STORAGE AND PROCESSING; Transcription
PBI_BIGCHEESE_90	O	CELLULAR PROCESSES AND SIGNALING; Post-translational modification, protein turnover, and chaperones