Candidate GTs for enzymatic synthesis (6 of 7 possible linkages):
| ktr4p: S. cerevisiae S288c |
| gnt1p: S. cerevisiae SEY6210 |
| WbdC: E. coli O9a CWG634, E. coli O8 CWG636 WegL: E. coli O115 WffE: E. coli O58 WejO: E. coli O78 Orf12: E. coli O88, E. coli O187 WfcD: E. coli O141 |
| WffD: E. coli O58 WejN: E. coli O78 |
| WffC: E. coli O58 |
| WejQ: E. coli O78 |