2vsg | pdb_00002vsg

A Structural Motif in the Variant Surface Glycoproteins of Trypanosoma Brucei

spinqualitylabelsall models 2vsg, resolution 2.70Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2vsg is a 2 chain structure with sequence from Trypanosoma brucei. Full crystallographic information is available from OCA. Related: 1vsg Activity: Glucokinase, with EC number 2.7.1.2 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 variable domain of the trypanosome variant surface glycoprotein (VSG) ILTat 1.24 has been shown by X-ray crystallography to resemble closely the structures of VSG MITat 1.2, despite their low sequence similarity. Specific structural features of these VSGs, including substitution of carbohydrate for an alpha-helix, can be found in other VSG sequences. Thus antigenic variation in trypanosomes is accomplished by sequence variation, not gross structural alteration; the extensive sequence differences among VSGs may be required for another reason, such as the avoidance of recognition by helper T cells. Additionally, VSG sequences are found to define families, within a VSG superfamily, which have evolved in the trypanosome genome. A structural motif in the variant surface glycoproteins of Trypanosoma brucei.,Blum ML, Down JA, Gurnett AM, Carrington M, Turner MJ, Wiley DC Nature. 1993 Apr 15;362(6421):603-9. PMID:8464512 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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