TABLE 1.

Kinetic parameters of HypBA1 activity on different substrates

Substrates	Km	kcat	kcat/Km
	mm	s−1	s−1mm−1
β-Ara2	0.85 ± 0.13	2.0 ± 0.20	2.3
Ara2-Hypa	0.31 ± 0.0013	6.3 ± 0.084	20
Ara-Hypa	0.43 ± 0.11	0.013 ± 0.0027	0.030

^a cis isomers of dansylated substrates were used.