Candidate GTs for enzymatic synthesis (4 of 4 possible linkages):
WaaX:
E. coli
R4 F2513
WbwA:
E. coli
O104
WcnV:
E. coli
O165
Orf7:
E. coli
O82
WclP:
E. coli
O21
NeuS:
E. coli
K1,
E. coli
K92