Candidate GTs for enzymatic synthesis (6 of 15 possible linkages):
RfaC: E. coli K12, E. coli K12 MB1760
RfaF: E. coli K12
WaaA: E. coli K12
WaaZ: E. coli K12
RfaQ: E. coli K12
WzY: E. coli O113
WbnD: E. coli O113