Candidate GTs for enzymatic synthesis (3 of 4 possible linkages):

WbnI / WbwI: E. coli O86:K62:H2, E. coli O86 WclF: E. coli O155

WaaX: E. coli R4 F2513

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