Candidate GTs for enzymatic synthesis (3 of 4 possible linkages):
| 81A1: A. thaliana |
| MGD2: A. thaliana MGD3: A. thaliana |
| GALT29A: A. thaliana GALT31A: A. thaliana Orf5: E. coli O64 Orf8: E. coli O131 Gtr17: A. baumannii RBH4 Gtr57: A. baumannii 1432, 4190, NIPH 70 |