Table 2.

Apparent K _M and relative V _max for SiaNAl with 6.5 μL of Δ56ST3Gal I or Δ56ST6Gal I in the cell culture medium of transfected HEK293.

	V max [pmol min−1]	K M [μm]	V max/K M [a]
Δ56ST6Gal I	0.390±0.016	6.55±1.07	0.059
Δ56ST3Gal I	3.275±0.249	49.03±9.91	0.067

[a] Relative substrate activity.