Table 2. Substrate specificity of the enzymes.

		Substrates
Enzymes	Classification	Ara4-Hyp	Ara3-Hyp	Ara2-Hyp	Ara-Hyp	ß-Ara2
XeHypAA	α-l-arabinofuronasidase	+	-	-	-	-
XeHypBA2	ß-l-arabinobiosidase	-	+	-	-	-
XeHypBA1	ß-l-arabinofuronasidase	-	-	+/-	+	+/-

+, well hydrolyzed; +/-, weakly hydrolyzed; -, not hydrolyzed