4F6T:
reference: Nature's Polyoxometalate Chemistry: X-ray Structure of the Mo Storage Protein Loaded with Discrete Polynuclear Mo-O Clusters., Kowalewski B, Poppe J, Demmer U, Warkentin E, Dierks T, Ermler U, Schneider K, J Am Chem Soc. 2012 Jun 13;134(23):9768-74. Epub 2012 May 31. PMID: 22612644

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