Candidate GTs for enzymatic synthesis (2 of 6 possible linkages):
| Orf8: E. coli O182 Orf4: E. coli O170 WbsF: E. coli O91 Gtr43: A. baumannii A388 |
| WbtG: E. coli O103 Gtr50K88: A. baumannii LUH5548 Gtr50K24: A. baumannii RCH51 Gtr50K89: A. baumannii LUH5552 |