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.

 

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