8ed3 | pdb_00008ed3

Structure of a nanoparticle with icosahedral symmetry

spinqualitylabelsall models 8ed3, resolution 3.50Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 8ed3 is a 60 chain structure with sequence from Thermotoga maritima MSB8. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function G4FGY1_THEMA Publication Abstract from PubMed Symmetric protein assemblies play important roles in nature which makes them an attractive target for engineering. De novo symmetric protein complexes can be created through computational protein design to tailor their properties from first principles, and recently several protein nanocages have been created by bringing together protein components through hydrophobic interactions. Accurate experimental structures of newly-developed proteins are essential to validate their design, improve assembly stability, and tailor downstream applications. We describe the CryoEM structure of the nanocage I3-01, at an overall resolution of 3.5 A. I3-01, comprising 60 aldolase subunits arranged with icosahedral symmetry, has resisted high-resolution characterization. Some key differences between the refined structure and the original design are identified, such as improved packing of hydrophobic sidechains, providing insight to the resistance of I3-01 to high-resolution averaging. Based on our analysis, we suggest factors important in the design and structural processing of new assemblies. Improved interface packing and design opportunities revealed by CryoEM analysis of a designed protein nanocage.,McCarthy S, Gonen S Heliyon. 2022 Dec 14;8(12):e12280. doi: 10.1016/j.heliyon.2022.e12280. , eCollection 2022 Dec. PMID:36590526 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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