Candidate GTs for enzymatic synthesis (4 of 8 possible linkages):
gnt1p: S. cerevisiae SEY6210
WfaP: E. coli O56 G1068
WfgD: E. coli O152 G1104
WcnW: E. coli O165
WclA: E. coli O59
WcmQ: E. coli O158