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1. (Article ID: 1548)
Olsson U, Lycknert K, Stenutz R, Weintraub A, Widmalm G
Structural analysis of the O-antigen polysaccharide from Escherichia coli O152
Carbohydrate Research 340(1) (2005)
167-171
The structure of the O-antigen polysaccharide (PS) from Escherichia coli O152 has been determined. Component analysis together with (1)H, (13)C and (31)P NMR spectroscopy were used to elucidate the structure. Inter-residue correlations were determined by (1)H,(31)P COSY, (1)H,(1)H NOESY and (1)H,(13)C heteronuclear multiple-bond correlation experiments. The PS is composed of pentasaccharide repeating units with the following structure: The structure is similar to that of the O-antigen polysaccharide from E. coli O173. The cross-reactivity between E. coli O152 and E. coli O3 may be explained by structural similarities in the branching region of their O-antigen polysaccharides
NMR, structure, chemistry, correlation, structural, polysaccharide, O-antigen, repeating unit, analysis, O antigen, Escherichia, Escherichia coli, NMR spectroscopy, structural analysis, polysaccharides, region, spectroscopy, pentasaccharide, component, similarity, cross-reactivity, crossreactivity, organic, NOESY, COSY, heteronuclear
NCBI PubMed ID: 15620681Publication DOI: 10.1016/j.carres.2004.11.008Journal NLM ID: 0043535Publisher: Elsevier
Institutions: Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, Stockholm, Sweden, Karolinska Institute, Department of Laboratory Medicine, Division of Clinical Bacteriology, F-82 Karolinska University Hospital, Huddinge Stockholm, Sweden
Methods: NMR, composition analysis
The publication contains the following compound(s):
- Compound ID: 2721
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a-L-Fucp-(1-4)-+
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-3)-a-D-Glcp-(1--P--6)--a-D-Glcp-(1-2)-b-D-Glcp-(1-3)-b-D-GlcpNAc-(1- |
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Structure type: polymer chemical repeating unit
Compound class: O-polysaccharide, O-antigen
Reference(s) to other database(s): GTC:G35242RI, GlycomeDB:
25910
- Compound ID: 2741
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b-L-Rhap-(1-4)-+
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-3)-a-D-GlcpNAc-(1--P--6)--a-D-Glcp-(1-2)-b-D-Glcp-(1-3)-b-D-GlcpNAc-(1- |
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Structure type: polymer chemical repeating unit
Compound class: O-polysaccharide, O-antigen
Reference(s) to other database(s): GTC:G45685SL, GlycomeDB:
27635
- Compound ID: 4180
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b-L-RhapNAc-(1-4)-+ a-D-Glcp-(1-4)-+
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-3)-b-D-GlcpNAc-(1-3)-a-D-Galp-(1-3)-b-D-GlcpNAc-(1- |
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Structure type: suggested polymer biological repeating unit
Compound class: O-polysaccharide, O-antigen
Reference(s) to other database(s): GTC:G44739ZN, GlycomeDB:
28095
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