Candidate GTs for enzymatic synthesis (2 of 8 possible linkages):

WfaP: E. coli O56 WfgD: E. coli O152 Orf8: E. coli O82 WcmW: E. coli O173

WclQ: E. coli O21 WfaM: E. coli O24 WejU: E. coli O27 Orf9: E. coli O81 WffJ: E. coli O130