Candidate GTs for enzymatic synthesis (3 of 6 possible linkages):

WfeQ*: E. coli O12 Orf1: E. coli O12 Gtr160: A. baumannii LUH5548 Gtr67: A. baumannii LUH5549

WbwW: E. coli O98 Orf6: E. coli O181

WfbF: E. coli O123