Organisms Organism Name Enzyme Name Name of Glycotransferese GT Family References
Virus T4- Phage BGT β-Glycosyltransferase GT63 [69]
Prokaryotes A. tumefaciens AtGS Glycogen Synthase GT5 [15]
Amycolatopsisorientalis GtfA β-Epi-vancosaminyltransferase GT-1 [70]
GtfB β-Glycosyltransferase GT-1 [70]
GtfD β -vancosaminyltransferase GT-1 [70]
B. subtilis SpsA Putative glycosyltransferase GT-2 [71]
Campylobactorjejuni CstII α-2-3-8-Sialyltransferase Gt-42 [72]
E. coli. MurG β -1-4- Galactosyltranserase GT-28 [73]
OtsA Trehalose-6-phosphate synthase GT-20 [74]
RfaF Heptosyltransferase GT-9 [74]
Neisseria meningitidis LgtC α -1-4-Galactosyltransferase GT-8 [75]
Rhodothermusmarinus MGS Mannosylglycerate GT-78 [76]
Mouse Ext12 α-1-4-N- Acetylhexosaminlytransferase GT-64 [18]
ppGalNAc-T1 Polypeptide- α-GalNActransferase GT-27 [18]
Rabbit Glycogenin α-Glucosyltransferase GT-8 [74]
GnT1 β-1-2-GlcNAc transferase GT-13 [77]
Bovine α3GalT α-3-Galactosyltransferase GT-6 [78]
β4GalT1 β-1-4- Galactosyltransferase I GT-7 [78]
Human GlcAT-I β-1-3-Glucuronytransferase GT-43 [19]
GlcAT-P β-1-3-Glucuronytransferase GT-43 [79]
GTA α-3-GalNAc transferase A GT-6 [80]
GTB α-3-GalNAc transferase B GT-6 [80,81]
Table 1: Glycotransferases enzymes with available crystal structures.