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Purification, crystallization and preliminary X-ray diffraction analysis of RafE, a sugar-binding lipoprotein from Streptococcus pneumoniae.
Paterson, Neil G; Riboldi-Tunnicliffe, Alan; Mitchell, Timothy J; Isaacs, Neil W.
Afiliación
  • Paterson NG; Department of Chemistry and WestCHEM, Glasgow Biomedical Research Centre (GBRC), University of Glasgow, 120 University Place, Glasgow G12 8TA, Scotland. neison@chem.gla.ac.uk
Article en En | MEDLINE | ID: mdl-16820692
Streptococcus pneumoniae contains a large number of sugar-transport systems and the system responsible for raffinose uptake has recently been identified. The substrate-binding protein component of this system shares strong sequence homology with the multiple sugar metabolism substrate-binding protein MsmE from S. mutans and contains a lipoprotein-attachment site at cysteine residue 23. A truncated form (residues 24-419) of RafE from S. pneumoniae was cloned and overexpressed in Escherichia coli. Native and selenomethionine-labelled protein have been crystallized in the hexagonal space group P6(1)22. Diffraction data have been successfully phased to 2.90 angstroms using Se SAD data and model building is in progress.
Asunto(s)

Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Asunto principal: Proteínas Bacterianas / Lipoproteínas Idioma: En Revista: Acta Crystallogr Sect F Struct Biol Cryst Commun Año: 2006 Tipo del documento: Article País de afiliación: Reino Unido

Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Asunto principal: Proteínas Bacterianas / Lipoproteínas Idioma: En Revista: Acta Crystallogr Sect F Struct Biol Cryst Commun Año: 2006 Tipo del documento: Article País de afiliación: Reino Unido