Candidate GTs for enzymatic synthesis (4 of 10 possible linkages):
WzY:
E. coli
O137
LpxB:
E. coli
LpxL:
E. coli
K12
LpxM:
E. coli
K12
WbeS:
E. coli
O28ac,
E. coli
O42
Orf6:
E. coli
O28ab