Candidate GTs for enzymatic synthesis (1 of 2 possible linkages):

WbdC: E. coli O9a CWG634, E. coli O8 CWG636 WegL: E. coli O115 WffE: E. coli O58 WejO: E. coli O78 Orf12: E. coli O88, E. coli O187 WfcD: E. coli O141