Candidate GTs for enzymatic synthesis (2 of 4 possible linkages):
| WegG: E. coli O115 WekO: E. coli O1a WegR: E. coli O2 WbdS: E. coli O53 WbuV: E. coli O149 |
| WzyK11: A. baumannii LUH5545 WzyK55: A. baumannii BAL_204 WzyK87: A. baumannii LUH5547 WzyK144: A. baumannii Ab-46-1632 (MA-46-1632) |