locus-tag	class	description
AB1-17	S	POORLY CHARACTERIZED; Function unknown
AB1-27	L	INFORMATION STORAGE AND PROCESSING; Replication, recombination and repair
AB1-31	S	POORLY CHARACTERIZED; Function unknown
AB1-52	L	INFORMATION STORAGE AND PROCESSING; Replication, recombination and repair
AB1-66	L	INFORMATION STORAGE AND PROCESSING; Replication, recombination and repair