1hup | pdb_00001hup

HUMAN MANNOSE BINDING PROTEIN CARBOHYDRATE RECOGNITION DOMAIN TRIMERIZES THROUGH A TRIPLE ALPHA-HELICAL COILED-COIL

spinqualitylabelsall models 1hup, resolution 2.50Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1hup is a 1 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: CA, SO4 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 Human mannose-binding protein is a hexamer of trimers with each subunit consisting of an amino-terminal region rich in cysteine, 19 collagen repeats, a 'neck', and a carbohydrate recognition domain that requires calcium to bind ligand. A 148-residue peptide, consisting of the 'neck' and carbohydrate recognition domains forms trimers in solution and in crystals. The structure of this trimeric peptide has been determined in two different crystal forms. The 'neck' forms a triple alpha-helical coiled-coil. Each alpha-helix interacts with a neighbouring carbohydrate recognition domain. The spatial arrangement of the carbohydrate recognition domains suggest how MBP trimers form the basic recognition unit for branched oligosaccharides on microorganisms. Human mannose-binding protein carbohydrate recognition domain trimerizes through a triple alpha-helical coiled-coil.,Sheriff S, Chang CY, Ezekowitz RA Nat Struct Biol. 1994 Nov;1(11):789-94. PMID:7634089 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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