PBP protein is a Pencillin Binding Protein that has a high affinity for beta-lactam antibiotics. PBP2A is a modified protein produced by MecA gene that has a low affinity to beta-lactam antibiotics. This protein was developed to resist antibiotics.
The binding site is roughly 23 degrees. The protein is roughly 102.7 by 124.1 by112.8 A.