Candidate GTs for enzymatic synthesis (4 of 6 possible linkages):
WfgE: E. coli O152
WcmX: E. coli O173
WfaO: E. coli O24
WaaR/WaaJ: E. coli K12
WfaR: E. coli O56
WfaN: E. coli O24
WclQ: E. coli O21
WfaM: E. coli O24
WejU: E. coli O27
Orf9: E. coli O81
WffJ: E. coli O130