4a34 | pdb_00004a34

Crystal structure of the fucose mutarotase in complex with L-fucose from Streptococcus pneumoniae

spinqualitylabelsall models 4a34, resolution 2.50Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 4a34 is a 20 chain structure with sequence from Strpn. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: FUL, K Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed Streptococcus pneumoniae relies on a variety of carbohydrate-utilization pathways for both colonization of its human host and full virulence during the development of invasive disease. One such pathway is the fucose-utilization pathway, a component of which is fucose mutarotase (SpFcsU), an enzyme that performs the interconversion between alpha-L-fucose and beta-L-fucose. This protein was crystallized and its three-dimensional structure was solved in complex with L-fucose. The structure shows a complex decameric quaternary structure with a high overall degree of structural identity to Escherichia coli FcsU (EcFcsU). Furthermore, the active-site architecture of SpFcsU is highly similar to that of EcFcsU. When considered in the context of the fucose-utilization pathway found in S. pneumoniae, SpFcsU appears to link the two halves of the pathway by enhancing the rate of conversion of the product of the final glycoside hydrolysis step, beta-fucose, into the substrate for the fucose isomerase, alpha-fucose. Structure of the fucose mutarotase from Streptococcus pneumoniae in complex with L-fucose.,Higgins MA, Boraston AB Acta Crystallogr Sect F Struct Biol Cryst Commun. 2011 Dec 1;67(Pt 12):1524-30., Epub 2011 Nov 30. PMID:22139157 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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