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A. Active site of Toho-1 in complex with benzylpenicillin. B. Active site of M. tuberculosis BlaC with a docked ligand benzylpenicillin, using SwissPDB. C. Active site of E166A mutant SHV-1 in complex with the trans-enamine intermediate of tazobactam. D. Active site of M. tuberculosis BlaC with a docked intermediate of tazobactam, using SwissPDB.
