Candidate GTs for enzymatic synthesis (4 of 7 possible linkages):
WfgE:
E. coli
O152
WcmX:
E. coli
O173
WfaO:
E. coli
O24
WaaR/WaaJ:
E. coli
K12
WbbI:
E. coli
K12
WfdI:
E. coli
O167