Candidate GTs for enzymatic synthesis (7 of 6 possible linkages):
| WaaA: E. coli K12 |
| WaaZ: E. coli K12 |
| 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 |
| KfoE: E. coli O5:K4:H4 (ATCC 23502) |
| KpsC: E. coli , T. dismutans |
| KpsC: E. coli , T. dismutans |