Candidate GTs for enzymatic synthesis (2 of 3 possible linkages):
WegG:
E. coli
O115
WekO:
E. coli
O1a
WegR:
E. coli
O2
WbdS:
E. coli
O53
WbuV:
E. coli
O149
WfgQ:
E. coli
O159