1GUH:
reference: Structure determination and refinement of human alpha class glutathione transferase A1-1, and a comparison with the Mu and Pi class enzymes., Sinning I, Kleywegt GJ, Cowan SW, Reinemer P, Dirr HW, Huber R, Gilliland GL, Armstrong RN, Ji X, Board PG, et al., J Mol Biol 1993 Jul 5;232(1):192-212. PMID: 8331657

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