Candidate GTs for enzymatic synthesis (3 of 8 possible linkages):

ktr4p: S. cerevisiae S288c

alg6p: S. cerevisiae YG859, S. cerevisiae SS328, MA7-B, SS330, PRY103, YG36, YG227, YG91

WbdA / MtfA: E. coli O8 CWG636