Candidate GTs for enzymatic synthesis (4 of 6 possible linkages):

AtFUT1: A. thaliana WbnK / WbwK: E. coli O86:K62:H2, E. coli O86:K62:B7, E. coli O86 WbgN: E. coli O55:H7 WbgL: E. coli O126 WbiQ: E. coli O127:K63(B8), E. coli O90, E. coli O127 WbsJ: E. coli O128:B12, E. coli O128:B12:H, E. coli O128ac

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

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

WfeD: E. coli O32 Orf6: E. coli O83 Orf9: E. coli O136 WbsG: E. coli O91