TABLE 1.

Summary of characterised bifidobacterial arabinofuranosidases.

Enzyme name/classification	Substrates	GH family	References	Species
AbfB	Arabinan, AX, arabinobiose - arabinopentose	GH51	Margolles and de los Reyes-Gavilan, 2003	B. ll
α-L-arabinofuranosidase
BXA43	XOS (DP 2-4)	GH43	Viborg et al., 2013	B. al
β xylosidase/ α-L-arabinofuranosidase	pNP-α-L araf
	pNp-β-D Xyl
BAD0156	pNP-α-L araf	GH1	Suzuki et al., 2013	B. a
α-L-arabinofuranosidase	α-1,5 arabinosaccharides
BlArafC	pNP-α-L araf	GH43	Komeno et al., 2019	B. ll
α-L-arabinofuranosidase	Arabinan
	AX
BlArafD	pNP-α-L araf	GH43	Komeno et al., 2019	B. ll
α-L-arabinofuranosidase	Arabinan
BlArafA	pNP α L araf	GH43	Fujita et al., 2019	B. ll
α-L-arabinofuranosidase	α-1,3-Araf Gal3
	Araf-α-1,3-Araf-α-OMe
	Radish AG
	Larch AG
	Arabinan
Blon_0625	pNP-α-L araf	GH3	Matsumoto et al., 2015	B. li
α-L-arabinofuranosidase
HypBA2	β1,2-Arabinose hyproxyline	GH121	Fujita et al., 2011	B. ll
β-L-arabinofuranosidase
	β1,2-linked arabinotriose - hyproxyline
	Arabinan
	Debranched Arabinan
HyBA1	β 1,2-linked Arabinose – hyproxyline (DP 2 and 3)	GH127	Fujita et al., 2014b; Ito et al., 2014; Zhu et al., 2014	B. ll
β-L-arabinofuranosidase
	Arabinobiose - ME
AfuB-H1	pNP-α-L araf	GH51	Lee et al., 2011	B. ll
α-L-arabinofuranosidase
AbfA	AX	GH43	Lagaert et al., 2010	B. a
α-L-arabinofuranosidase	AXOS
	pNP-α-L araf
	pNP-β-Xyl
AbfB	AX,	GH43	Lagaert et al., 2010	B. a
α-L-arabinofuranosidase	AXOS
	pNP-α-L araf
	Arabinan
AXH-d3	AX	GH43	van den Broek et al., 2005	B. a
	AXOS
	Arabinan
α-L- arabinofuranosidase	pNP-α-L araf	–	Shin et al., 2003	B. b
	Ginsenoside RC

L araf, L-arabinofuranose; D Xyl, D-xylopyranoside; ME, methyl group; Gal, galactose; OMe, O-linked methyl group; AG, arabinogalactan; AX, Arabinoxylan; AXOS, arabinoxylo-oligosaccharides; B. ll, Bifidobacterium longum subsp. longum; B. al, Bifidobacterium animalis subsp. lactis; B.b, Bifidobacterium breve; B. a, Bifidobacterium adolescentis; B. li, Bifidobacterium longum subsp. infantis.