Table 2 Glycosynthetic enzymes typically present in mammalian systems [5].

2.4.1.38

β-N-acetylglucosaminylglycopeptide β-1,4-galactosyltransferase

2.4.1.68

glycoprotein 6-α-L-fucosyltransferase

2.4.1.101

α-1,3-mannosyl-glycoprotein 2-β-N-acetylglucosaminyltransferase

2.4.1.143

α-1,6-mannosyl-glycoprotein 2-β-N-acetylglucosaminyltransferase

2.4.1.144

β-1,4-mannosyl-glycoprotein 4-β-N-acetylglucosaminyltransferase

2.4.1.145

α-1,3-mannosyl-glycoprotein 4-β-N-acetylglucosaminyltransferase

2.4.1.149

N-acetyllactosaminide β-1,3-N-acetylglucosaminyltransferase

2.4.1.155

α-1,6-mannosyl-glycoprotein 6-β-N-acetylglucosaminyltransferase

2.4.99.6

N-acetyllactosaminide α-2,3-sialyltransferase

3.2.1.113

mannosyl-oligosaccharide 1,2-α-mannosidase

3.2.1.114

mannosyl-oligosaccharide 1,3-1,6-α-mannosidase