Candidate GTs for enzymatic synthesis (5 of 6 possible linkages):
WaaW: E. coli R1 F470, E. coli R4 F2513
WbaZ: E. coli O9a:K30
WcaO: E. coli O9a:K30
Orf8: E. coli O39
WfcA: E. coli O141
WfeE: E. coli O32