TABLE 1.

Similarity among protein sequences encoded by GOS metabolic genes identified in different L. reuteri genomes

Locus taga HMPREF0536_	Gene symbolb	Annotated gene product	Similarityc (%) by L. reuteri strain
			GOS fermenting				Poor GOS fermenting
			ATCC PTA 6475	DSM 20016	ATCC PTA 4659	ATCC 55730	ATCC 53608
659	lacR	Lacl family transcriptional regulator LacR	100	100	100	95	Absent
660	lacS	Glycoside-pentoside-hexuronide:cation symporter	100	100	100	96	Absent
661	lacA	GH42 β-galactosidase	100	100	100	95	Absent
317	lacL	GH2 β-galactosidase large subunit	100	100	100	98	98
316	lacM	GH2 β-galactosidase small subunit	100	100	100	96	95

^aLocus tag as assigned in the L. reuteri ATCC 6475 (MM4-1A) genome.

^blacR, lacS, and lacA as referred to by Andersen et al. (28); lacL and lacM as assigned in the Integrated Microbial Genomes (IMG) system.

^cSimilarity to ATCC 6475 query sequences.