Candidate GTs for enzymatic synthesis (6 of 7 possible linkages):
| SUS1: A. thaliana |
| WfaP: E. coli O56 WfgD: E. coli O152 Orf8: E. coli O82 WcmW: E. coli O173 |
| WfgE: E. coli O152 WcmX: E. coli O173 WfaO: E. coli O24 |
| WaaR/WaaJ: E. coli K12 |
| Orf4: E. coli O82 WfgC: E. coli O152 WcmV: E. coli O173 |
| WcmU: E. coli O173 |