Candidate GTs for enzymatic synthesis (7 of 8 possible linkages):
RfaF: E. coli K12
WaaB: E. coli K12
WaaK: E. coli R2 F632
WaaG: E. coli R1 F470, E. coli R4 F2513
WaaR/WaaJ: E. coli R3 F653
WaaD: E. coli O157:H7
RfaQ: E. coli K12
Gtr62: A. baumannii NIPH 190