PMID:7599158
| Citation |
Hansson, L, Wallbrandt, P, Andersson, JO, Byström, M, Bäckman, A, Carlstein, A, Enquist, K, Lönn, H, Otter, C and Strömqvist, M (1995) Carbohydrate specificity of the Escherichia coli P-pilus papG protein is mediated by its N-terminal part. Biochim. Biophys. Acta 1244:377-83 |
|---|---|
| Abstract |
The adherence of pyelonephritic Escherichia coli isolates to mammalian host cells is mediated by the P-pili structures on the bacterial surface. The protein constituting the distal part of the pili structure, papG, interacts with glycan receptors on the host cell. Variation in specificity for different glycoconjugates between the isolates, that may reflect variation in host tropism, has been correlated to three different classes of papG. Truncated variants of the class I, II and III papG adhesins were produced as fusion protein in E. coli and analysed for carbohydrate binding. The results showed that both carbohydrate binding and specificity of the papG adhesin resided in a linear part of the N-terminus of the protein. |
| Links | |
| Keywords |
Adhesins, Escherichia coli/chemistry; Adhesins, Escherichia coli/genetics; Adhesins, Escherichia coli/metabolism; Adult; Base Sequence; Binding Sites; Carbohydrate Metabolism; Chromatography, Affinity; Escherichia coli/chemistry; Escherichia coli/genetics; Escherichia coli/metabolism; Fimbriae Proteins; Fimbriae, Bacterial/chemistry; Hemagglutination; Humans; Male; Molecular Sequence Data; Peptide Fragments/chemistry; Peptide Fragments/metabolism; Recombinant Fusion Proteins/chemistry; Structure-Activity Relationship |
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