locus-tag	class	description
XO29_0001	L	INFORMATION STORAGE AND PROCESSING; Replication, recombination and repair
XO29_0018	L	INFORMATION STORAGE AND PROCESSING; Replication, recombination and repair
XO29_0021	M	CELLULAR PROCESSES AND SIGNALING; Cell wall/membrane/envelope biogenesis
XO29_0067	S	POORLY CHARACTERIZED; Function unknown