Candidate GTs for enzymatic synthesis (3 of 4 possible linkages):
| GALT29A: A. thaliana GALT31A: A. thaliana Orf5: E. coli O64 Orf8: E. coli O131 Gtr17: A. baumannii RBH4 Gtr57: A. baumannii 4190, 1432, NIPH 70 |
| WbaZ: E. coli O9a:K30 |
| WfeS: E. coli O124 |