2zx2 | pdb_00002zx2

Rhamnose-binding lectin CSL3

spinqualitylabelsall models 2zx2, resolution 1.80Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2zx2 is a 2 chain structure with sequence from Oncorhynchus keta. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: PO4, RAM Related: 2zx0, 2zx1, 2zx3, 2zx4 Resources: FirstGlance, OCA, RCSB, PDBsum Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed The crystal structure of the L-rhamnose-binding lectin CSL3 was determined to 1.8 A resolution. This protein is a component of the germline-encoded pattern recognition proteins in innate immunity. CSL3 is a homodimer of two 20 kDa subunits with a dumbbell-like shape overall, in which the N- and C-terminal domains of different subunits form lobe structures connected with flexible linker peptides. The complex structures of the protein with specific carbohydrates demonstrated the importance of the most variable loop region among homologues for the specificity toward oligosaccharides. CSL3 and Shiga-like toxin both use Gb(3) as a cellular receptor to evoke apoptosis. They have very different overall architecture but share the separation distance between carbohydrate-binding sites. An inspection of the structure database suggested that the pseudo-tetrameric structure of CSL3 was unique among the known lectins. This architecture implies this protein might provide a unique tool for further investigations into the relationships between architecture and function of pattern recognition proteins. Structure of rhamnose-binding lectin CSL3: unique pseudo-tetrameric architecture of a pattern recognition protein.,Shirai T, Watanabe Y, Lee MS, Ogawa T, Muramoto K J Mol Biol. 2009 Aug 14;391(2):390-403. Epub 2009 Jun 12. PMID:19524596 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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