7jgm

Crystal Structure of the Ni-bound Human Heavy-chain variant 122H-delta C-star with meta-benzenedihyrdoxamate

spinqualitylabelsall models 7jgm, resolution 2.31Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 7jgm is a 48 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.31Å Ligands: NA, NI, V9D Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function FRIH_HUMAN Stores iron in a soluble, non-toxic, readily available form. Important for iron homeostasis. Has ferroxidase activity. Iron is taken up in the ferrous form and deposited as ferric hydroxides after oxidation. Also plays a role in delivery of iron to cells. Mediates iron uptake in capsule cells of the developing kidney (By similarity). Publication Abstract from PubMed We recently introduced protein-metal-organic frameworks (protein-MOFs) as chemically designed protein crystals, composed of ferritin nodes that predictably assemble into 3D lattices upon coordination of various metal ions and ditopic, hydroxamate-based linkers. Owing to their unique tripartite construction, protein-MOFs possess extremely sparse lattice connectivity, suggesting that they might display unusual thermomechanical properties. Leveraging the synthetic modularity of ferritin-MOFs, we investigated the temperature-dependent structural dynamics of six distinct frameworks. Our results show that the thermostabilities of ferritin-MOFs can be tuned through the metal component or the presence of crowding agents. Our studies also reveal a framework that undergoes a reversible and isotropic first-order phase transition near-room temperature, corresponding to a 4% volumetric change within 1 degrees C and a hysteresis window of approximately 10 degrees C. This highly cooperative crystal-to-crystal transformation, which stems from the soft crystallinity of ferritin-MOFs, illustrates the advantage of modular construction strategies in discovering tunable-and unpredictable-material properties. Tunable and Cooperative Thermomechanical Properties of Protein-Metal-Organic Frameworks.,Bailey JB, Tezcan FA J Am Chem Soc. 2020 Oct 5. doi: 10.1021/jacs.0c07835. PMID:32972136 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Ferritin 3D structures

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