1R4W:
reference: Parallel Evolutionary Pathways for Glutathione Transferases: Structure and Mechanism of the Mitochondrial Class Kappa Enzyme rGSTK1-1., Ladner JE, Parsons JF, Rife CL, Gilliland GL, Armstrong RN, Biochemistry 2004 Jan 20;43(2):352-361. PMID: 14717589

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