Candidate GTs for enzymatic synthesis (5 of 8 possible linkages):
| gnt1p: S. cerevisiae SEY6210 |
| WbbL: E. coli K12 O16 Orf12: E. coli O39 WekH: E. coli O119 WfaL: E. coli O139 |
| Orf6: E. coli O48 WekY: E. coli O75 WekI: E. coli O119 |
| WekK: E. coli O119 |
| WekJ: E. coli O119 |