3LA0:
reference: Crystal Structures of Apo and Metal-Bound Forms of the UreE Protein from Helicobacter pylori: Role of Multiple Metal Binding Sites ., Shi R, Munger C, Asinas A, Benoit SL, Miller E, Matte A, Maier RJ, Cygler M, Biochemistry. 2010 Aug 24;49(33):7080-8. PMID: 20681615

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