Candidate GTs for enzymatic synthesis (3 of 5 possible linkages):
PBP1A: E. coli , E. coli MC1061
PBP1B: E. coli K12 MG1655, E. coli
PBP1A: A. aeolicus
PBP2: S. aureus
PBP2A: E. faecalis
abMurG: A. baumannii