Candidate GTs for enzymatic synthesis (6 of 13 possible linkages):
| WaaA: E. coli K12 |
| WaaA: E. coli K12 |
| WaaZ: E. coli K12 |
| WzY: E. coli O137 LpxB: E. coli |
| Orf4: E. coli O82 WfgC: E. coli O152 WcmV: E. coli O173 |
| WbeS: E. coli O28ac, E. coli O42 Orf6: E. coli O28ab |