Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/1NZU
Penicillin-binding protein 5BETA-MERCAPTOETHANOL
penicillin binding proteinwild typecoli
https://www.ncbi.nlm.nih.gov/Structure/pdb/2EXA
Penicillin-binding protein 4(2R,5R)-2-[(2S,3R)-3-hydroxy-1-oxobutan-2-yl]-5-[(2R)-tetrahydrofuran-2-yl]-2,5-dihydro-1,3-thiazole-4-carboxylic acidGLYCEROL
penicillin binding proteincrystal structure