Table 4.

Identified clusters of oligosaccharide-binding proteins from Figure8

Cluster	Sub-cluster	Substrate specificity	Identified Organism	Reference
Malto-oligosaccharides	1	α-(1,4)-gluco-oligosaccharides	Listeria monocytogenes	[72]
			Streptococcus pneumoniae	[73]
	2	β-Cyclodextrin and maltose	Bacillus subtilis	[74]
	3	Maltose	L. casei BL23	[42]
	4	Putative maltose	B. animalis subsp lactis Bl-04	This study
	5	Maltose	B. longum NCC2705	[35]
		Maltotriose	B. lactis Bl-04	This study
β-glucosides	-	β-(1,4)-gluco-oligosaccharides	B. breve UCC2003	[59]
β-galactosides	A	Lactose and	B. longum NCC2705	[35] and
		β-galacto-oligosaccharides	B. lactis Bl-04	This study
	B	Lacto-N-biose	B. bifidum	[75]
			B. longum	[76]
XOS	-	β-(1,4)-xylo-oligosaccharides	B. lactis Bl-04	This study
RFO	A	Raffinose and isomaltose	Streptococcus mutans	[43]
	B	Raffinose	B. longum NCC2705	[35]
		Raffinose and Isomaltose1	B. lactis Bl-04	This study
Root	-	Fructose	B. longum NCC2705	[69]

Clusters are shown by numbers and if possible sub-clusters are listed with letters. The experimentally identified oligosaccharide-binding proteins used to generate the tree are listed in the corresponding cluster and sub-cluster if possible.

¹Including melibiose, panose and stachyose.