1hcx

Choline binding domain of the major autolysin (C-LytA) from Streptococcus pneumoniae

spinqualitylabelsall models 1hcx, resolution 2.60Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1hcx is a 2 chain structure with sequence from Streptococcus pneumoniae. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.6Å Ligands: CHT, DDQ, TPT Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function ALYS_STRPN Autolysins are involved in some important biological processes such as cell separation, cell-wall turnover, competence for genetic transformation, formation of the flagella and sporulation. Autolysin strictly depends on the presence of choline-containing cell walls for activity. 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 Choline binding proteins are virulence determinants present in several Gram-positive bacteria. Because anchorage of these proteins to the cell wall through their choline binding domain is essential for bacterial virulence, their release from the cell surface is considered a powerful target for a weapon against these pathogens. The first crystal structure of a choline binding domain, from the toxin-releasing enzyme pneumococcal major autolysin (LytA), reveals a novel solenoid fold consisting exclusively of beta-hairpins that stack to form a left-handed superhelix. This unique structure is maintained by choline molecules at the hydrophobic interface of consecutive hairpins and may be present in other choline binding proteins that share high homology to the repeated motif of the domain. A novel solenoid fold in the cell wall anchoring domain of the pneumococcal virulence factor LytA.,Fernandez-Tornero C, Lopez R, Garcia E, Gimenez-Gallego G, Romero A Nat Struct Biol. 2001 Dec;8(12):1020-4. PMID:11694890 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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