Candidate GTs for enzymatic synthesis (4 of 9 possible linkages):
WzY: E. coli O7:K1 VW187
Orf6: E. coli O116
WfbE: E. coli O123
WbwH: E. coli O123, E. coli O186
WcqX: E. coli O163
WfbF: E. coli O123