Candidate GTs for enzymatic synthesis (2 of 6 possible linkages):

WzY: E. coli O55 WclU: E. coli O3 WekU: E. coli O18ac WbgO: E. coli O55 WzyK24: A. baumannii RCH51

WbeS: E. coli O28ac, E. coli O42 Orf6: E. coli O28ab