3pac | pdb_00003pac

Crystal structure of PduT a trimeric bacterial microcompartment protein with 4Fe-4S cluster binding site

spinqualitylabelsall models 3pac, resolution 1.86Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 3pac is a 1 chain structure with sequence from "bacterium_freundii"_braak_1928 "bacterium freundii" braak 1928. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Gene: pduT ("Bacterium freundii" Braak 1928) Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed Propanediol metabolism in Citrobacter freundii occurs within a metabolosome, a subcellular proteinaceous bacterial microcompartment. The propanediol-utilization (Pdu) microcompartment shell is constructed from thousands of hexagonal-shaped protein complexes made from seven different types of protein subunit. Here, the structure of the bacterial microcompartment protein PduT, which has a tandem structural repeat within the subunit and forms trimers with pseudo-hexagonal symmetry, is reported. This trimeric assembly forms a flat approximately hexagonally shaped disc with a central pore that is suitable for a 4Fe-4S cluster. The essentially cubic shaped 4Fe-4S cluster conforms to the threefold symmetry of the trimer with one free iron, the role of which could be to supply electrons to an associated microcompartment enzyme, PduS. Structure of PduT, a trimeric bacterial microcompartment protein with a 4Fe-4S cluster-binding site.,Pang A, Warren MJ, Pickersgill RW Acta Crystallogr D Biol Crystallogr. 2011 Feb;67(Pt 2):91-6. Epub 2011 Jan, 8. PMID:21245529 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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