. Author manuscript; available in PMC: 2017 Jan 15.

Published in final edited form as: Biochem Biophys Res Commun. 2015 Dec 13;469(3):606–612. doi: 10.1016/j.bbrc.2015.11.130

Table 1.

Michaelis-Menten constants for ST3Gals

Enzyme	Species	K_M (mM)^~	Acceptor
*ST3Gal I*			*Type I*
	Human	3.23^#	[1]
	Mouse	3.20^$	Galβ1,3GlcNAc
			*Type II*
	Human	NR	[2]
			*Type III*
	Human	0.05^#	[3]
	Rat	0.05^$	[3]

*ST3Gal II*			*Type I*
	Human	1.71^#	[1]
	Mouse	2.30^$	Galβ1,3GlcNAc
			*Type II*
	Human	NR	[2]
			*Type III*
	Human	0.13^#	[3]
	Rat	0.16^$	[3]
	Mouse	0.45^@	[3]

*ST3Gal III*			*Type I*
	Human	0.13^#	[1]
	Mouse	0.32^$	Galβ1,3GlcNAc
			*Type II*
	Human	0.83^#	[2]
	Mouse	3.00^$	Galβ1,4GlcNAc
			*Type III*
	Human	NP^#	[3]
	Mouse	2.2^$	[3]

*ST3Gal IV*			*Type I*
	Human	0.65^#	[1]
	Rat	0.11^$	[1]
	Mouse	0.75^&	[1]
			*Type II*
	Human	0.14^#	[2]
	Rat	0.49^*	[2]
	Mouse	0.22^&	[2]
			*Type III*
	Human	0.15^#	[3]
	Rat	3.00^$	[3]

*ST3Gal VI*			*Type I*
	Human	0.36^#	[1]
			*Type II*
	Human	0.21^#	[2]
			*Type III*
	Human	NR^#	[3]

K_M calculated based on enzymology studies that varied acceptor concentration from .0094–2.0mM.

NR: No Reaction, NP: Not Performed.

This study,

[8],

[9],

[21],

[31].