Candidate GTs for enzymatic synthesis (3 of 5 possible linkages):
| GALT1: A. thaliana WbgO: E. coli O55:H7 WbgP: E. coli O55 Orf2: E. coli O64 |
| WbgO: E. coli O55:H7 |
| WfbU: E. coli O85 Orf7: E. coli O96, E. coli O170 WfdJ: E. coli O167 Orf3: E. coli O170 |