4R8Z:
reference: The structural basis of functional diversification of HD-GYP domain revealed by the Pseudomonas aeruginosa PA4781 protein displaying an unselective bi-metallic binding site., Rinaldo S, Paiardini A, Stelitano V, Brunotti P, Cervoni L, Fernicola S, Protano C, Vitali M, Cutruzzola F, Giardina G, J Bacteriol. 2015 Feb 17. pii: JB.02606-14. PMID: 25691523

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