1KS5:
reference: Determination of the structure of an endoglucanase from Aspergillus niger and its mode of inhibition by palladium chloride., Khademi S, Zhang D, Swanson SM, Wartenberg A, Witte K, Meyer EF, Acta Crystallogr D Biol Crystallogr 2002 Apr;58(Pt 4):660-7. PMID: 11914491

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