Candidate GTs for enzymatic synthesis (4 of 10 possible linkages):

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

WaaW: E. coli R1 F470, E. coli R4 F2513

WbgL: E. coli O126 WbsJ: E. coli O128:B12

Orf7: E. coli O156