Candidate GTs for enzymatic synthesis (4 of 6 possible linkages):
WzY: E. coli O137
LpxB: E. coli
KfiA: E. coli K5
WcnM: E. coli O137
PmHS2: P. multocida K5
Gtr45: A. baumannii G21
WcnN: E. coli O137
WcnL: E. coli O137