2wcr | pdb_00002wcr

CRYSTAL STRUCTURE OF TIP-ALPHA N34 (HP0596) FROM HELICOBACTER PYLORI AT PH8

spinqualitylabelsall models 2wcr, resolution 1.70Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2wcr is a 2 chain structure with sequence from Helicobacter pylori. Full crystallographic information is available from OCA. Ligands: IMD, NI Related: 2wcq Activity: Glucokinase, with EC number 2.7.1.2 Resources: FirstGlance, OCA, RCSB, PDBsum Publication Abstract from PubMed Helicobacter pylori secretes a unique virulence factor, Tipalpha, that enters gastric cells and both stimulates the production of the TNF-alpha and activates the NF-kappaB pathway. The structures of a truncated version of Tipalpha (TipalphaN34) in two crystal forms are presented here. Tipalpha adopts a novel beta(1)alpha(1)alpha(2)beta(2)beta(3)alpha(3)alpha(4) topology that can be described as a combination of three domains. A first region consists in a short flexible extension, a second displays a dodecin-like fold and a third is a helical bundle domain similar to the sterile alpha motif (SAM). Analysis of the oligomerisation states of TipalphaN34 in the crystals and in solution suggests that the disulfide bridges could hold together Tipalpha monomers during their secretion in the gastric environment. Structures of the tumor necrosis factor alpha inducing protein Tipalpha: a novel virulence factor from Helicobacter pylori.,Tosi T, Cioci G, Jouravleva K, Dian C, Terradot L FEBS Lett. 2009 May 19;583(10):1581-5. Epub 2009 May 4. PMID:19401200 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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