3AZ7:
reference: Porous protein crystals as reaction vessels for controlling magnetic properties of nanoparticles., Abe S, Tsujimoto M, Yoneda K, Ohba M, Hikage T, Takano M, Kitagawa S, Ueno T, Small. 2012 May 7;8(9):1314-9. doi: 10.1002/smll.201101866. Epub 2012 Mar 2. PMID: 22383363

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