1FHE:
reference: Crystallization, structural determination and analysis of a novel parasite vaccine candidate: Fasciola hepatica glutathione S-transferase., Rossjohn J, Feil SC, Wilce MC, Sexton JL, Spithill TW, Parker MW, J Mol Biol 1997 Nov 7;273(4):857-72. PMID: 9367777

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