Candidate GTs for enzymatic synthesis (2 of 5 possible linkages):

WfeM: E. coli O112ac WfeF: E. coli O112ab Orf9: E. coli O142 WzyK8: A. baumannii BAL 097 WzyK89: A. baumannii LUH5552

WfeD: E. coli O32 Orf6: E. coli O83 Orf9: E. coli O136 WbsG: E. coli O91