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. 2017 Jun 21;8:1026. doi: 10.3389/fpls.2017.01026

Table 3.

Michaelis-Menten kinetics as determined by 4MU substrates.

4MU-α-GAL
4MU-α- NAGAL
Km (mM) Vmax (mmol/h/mg) kcat (s-1) kcat/Km (mM/s-1) Km (mM) Vmax (mmol/h/mg) kcat (s-1) kcat/Km (mM/s-1)
α-GAL 2.478 4.219 55.96 22.58 No activity detected
α-NAGAL 6.02 0.527 6.89 1.14 0.7 3.9 25.51 36.13
α-NAGALEL 3.18 0.71 14.52 4.79 No activity detected
Fabrazyme 2.431 3.954 52.11 21.43 No activity detected