Candidate GTs for enzymatic synthesis (3 of 4 possible linkages):
WclR: E. coli O3
WekW: E. coli O18ac
WbdH: E. coli O111
WbbP/RfbP: S. dysenteriae type 1 LSPQ3472
WzY: E. coli O133
Orf10: E. coli O69, E. coli O120