1KQK:
reference: Solution structure of the N-terminal domain of a potential copper-translocating P-type ATPase from Bacillus subtilis in the apo and Cu(I) loaded states., Banci L, Bertini I, Ciofi-Baffoni S, D'Onofrio M, Gonnelli L, Marhuenda-Egea FC, Ruiz-Duenas FJ, J Mol Biol 2002 Mar 29;317(3):415-29. PMID: 11922674

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