Candidate GTs for enzymatic synthesis (4 of 6 possible linkages):

WbbD: E. coli O7:K1 VW187, E. coli O7 WbuP: E. coli O114, E. coli O63 Orf5: E. coli O153 WbsT: E. coli O126 Gtr42K21: A. baumannii G21 Gtr152: A. baumannii LUH5534

WclY / WbeC: E. coli O107 H705 WclY: E. coli O107

WclY / WbeC: E. coli O117

WbgO: E. coli O55:H7