TABLE 1.

Kinetic parameters for SdNagBII and SoNagBII without allosteric effector.

Enzyme	k cat (s−1)	K 0.5 (mM)	n h
SdNagBII	7.74 ± 0.38	4.23 ± 0.32	1.82 ± 0.14
SoNagBII	6.02 ± 0.25	4.53 ± 0.23	2.51 ± 0.23

Note: Parameters obtained by fitting data of v ₀ versus [GlcN6P] in the absence of ligands to Equation (1). Data for SdNagBII are from Figure 1a and for SoNagBII from Figure S1. Uncertainties are the standard errors of the fitted parameters.