Candidate GTs for enzymatic synthesis (2 of 2 possible linkages):
| 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 |
| WbnI / WbwI: E. coli O86:K62:H2, E. coli O86 WclF: E. coli O155 |