Candidate GTs for enzymatic synthesis (7 of 6 possible linkages): 
| AtFUT13: A. thaliana | 
| AtFUT13: A. thaliana | 
| GALT1: A. thaliana  WbgO: E. coli O55:H7 WbgP: E. coli O55 Orf2: E. coli O64  | 
| WaaX: E. coli R4 F2513 | 
| WbgO: E. coli O55:H7 | 
| WcnV: E. coli O165 Orf7: E. coli O82 WclP: E. coli O21  | 
| Orf5: E. coli O41 WfgP: E. coli O159  |