2wq4

N-terminal domain of BC2L-C Lectin from Burkholderia cenocepacia

spinqualitylabelsall models 2wq4, resolution 1.42Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2wq4 is a 3 chain structure with sequence from Burkholderia cenocepacia J2315. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 1.42Å Ligands: BR, MSE, SFU Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function B4EH86_BURCJ Publication Abstract from PubMed The opportunistic pathogen Burkholderia cenocepacia expresses several soluble lectins, among them BC2L-C. This lectin exhibits two domains: a C-terminal domain with high sequence similarity to the recently described calcium-dependent mannose-binding lectin BC2L-A, and an N-terminal domain of 156 amino acids without similarity to any known protein. The recombinant N-terminal BC2L-C domain is a new lectin with specificity for fucosylated human histo-blood group epitopes H-type 1, Lewis b, and Lewis Y, as determined by glycan array and isothermal titration calorimetry. Methylselenofucoside was used as ligand to solve the crystal structure of the N-terminal BC2L-C domain. Additional molecular modeling studies rationalized the preference for Lewis epitopes. The structure reveals a trimeric jellyroll arrangement with striking similarity to TNF-like proteins, and to BclA, the spore protein from Bacillus anthracis which may play an important role in bioadhesion of anthrax spores in human lungs. A TNF-like trimeric lectin domain from Burkholderia cenocepacia with specificity for fucosylated human histo-blood group antigens.,Sulak O, Cioci G, Delia M, Lahmann M, Varrot A, Imberty A, Wimmerova M Structure. 2010 Jan 13;18(1):59-72. PMID:20152153 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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