1WS3:
reference: Urate oxidase from Aspergillus flavus: new crystal-packing contacts in relation to the content of the active site., Retailleau P, Colloc'h N, Vivares D, Bonnete F, Castro B, El Hajji M, Prange T, Acta Crystallogr D Biol Crystallogr 2005 Mar;61(Pt 3):218-29. Epub 2005, Feb 24. PMID: 15735331

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