Candidate GTs for enzymatic synthesis (2 of 7 possible linkages):

WclY / WbeC: E. coli O117 W30, E. coli O117 Orf6: E. coli O82 WfeR: E. coli O124 Orf4: E. coli O23 WfeK: E. coli O112ac WbeC: E. coli O117

WcnV: E. coli O165 Orf7: E. coli O82 WclP: E. coli O21