Candidate GTs for enzymatic synthesis (4 of 6 possible linkages):
WbbA:
E. coli
O7:K1 VW187
WbbB:
E. coli
O7
Orf9:
E. coli
O39
WcaO:
E. coli
O9a:K30
Orf8:
E. coli
O39
WzY:
E. coli
O7:K1 VW187
Orf11:
E. coli
O39