Candidate GTs for enzymatic synthesis (3 of 4 possible linkages):
| KfoC: E. coli K4 Orf7: E. coli O185 Gtr69: A. baumannii LUH5549 |
| KfoC: E. coli K4 Orf7: E. coli O38 WccE: E. coli O140 Gtr70: A. baumannii LUH5549 |
| WzyK37: A. baumannii NIPH146 WzyK32: A. baumannii LUH5549 |