Candidate GTs for enzymatic synthesis (9 of 10 possible linkages):
| RfaC: E. coli K12, E. coli K12 MB1760 |
| RfaF: E. coli K12 |
| WaaA: E. coli K12 |
| WaaG: E. coli R1 F470, E. coli R4 F2513 |
| WaaR/WaaJ: E. coli O157:H7 |
| RfaQ: E. coli K12 |
| WaaY: E. coli K12 |
| WzY: E. coli O137 LpxB: E. coli |
| WbeS: E. coli O28ac, E. coli O42 Orf6: E. coli O28ab |