1QF7:
reference: Mutants that alter the covalent structure of catalase hydroperoxidase II from Escherichia coli., Mate MJ, Sevinc MS, Hu B, Bujons J, Bravo J, Switala J, Ens W, Loewen PC, Fita I, J Biol Chem 1999 Sep 24;274(39):27717-25. PMID: 10488114

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