Candidate GTs for enzymatic synthesis (3 of 5 possible linkages):
NeuS: E. coli K1, E. coli K92
Orf6: E. coli O131
Orf7: E. coli O171
WfeD: E. coli O32
Orf6: E. coli O83
Orf9: E. coli O136
WbsG: E. coli O91