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Displayed structure 1
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1. Compound ID: 18178
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a-Manp-(1-2)-a-Manp-(1-2)-a-Manp-(1-2)-a-Manp-(1-2)-a-Manp-(1-2)-a-Manp-(1-2)-a-Manp-(1-2)-+
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a-Manp-(1-2)-a-Manp-(1-2)-a-Manp-(1-2)-a-Manp-(1-2)-a-Manp-(1-2)-a-Manp-(1-2)-+ |
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a-Manp-(1-2)-a-Manp-(1-2)-a-Manp-(1-2)-a-Manp-(1-2)-a-Manp-(1-2)-+ | |
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a-Manp-(1-2)-a-Manp-(1-2)-a-Manp-(1-2)-a-Manp-(1-2)-+ | | |
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a-Manp-(1-2)-a-Manp-(1-2)-a-Manp-(1-2)-+ | | | |
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a-Manp-(1-2)-a-Manp-(1-2)-+ | | | | |
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a-Manp-(1-2)-+ | | | | | |
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-6)-a-Manp-(1-6)-a-Manp-(1-6)-a-Manp-(1-6)-a-Manp-(1-6)-a-Manp-(1-6)-a-Manp-(1-6)-a-Manp-(1-6)-a-Manp-(1- |
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Structure type: polymer chemical repeating unit
; 2500
Compound class: cell wall polysaccharide, mannan
Contained glycoepitopes: IEDB_130701,IEDB_136104,IEDB_1394182,IEDB_140116,IEDB_141793,IEDB_141795,IEDB_141828,IEDB_141829,IEDB_141830,IEDB_141831,IEDB_141832,IEDB_141833,IEDB_141834,IEDB_143632,IEDB_144983,IEDB_152206,IEDB_153220,IEDB_153762,IEDB_153763,IEDB_164480,IEDB_76933,IEDB_857732,IEDB_857735,IEDB_983930,SB_136,SB_191,SB_196,SB_198,SB_44,SB_67,SB_72
The structure is contained in the following publication(s):
- Article ID: 7123
Prieto A, Leal JA, Giménez-Abián MI, Canales A, Jiménez-Barbero J, Bernabé M "Isolation and structural determination of a unique polysaccharide containing mannofuranose from the cell wall of the fungus Acrospermum compressum" -
Glycoconjugate Journal 24(8) (2007) 421-428
The alkali-extractable and water-soluble fungal polysaccharide F1SS isolated from the cell wall of Acrospermum compressum has been studied by methylation analyses, reductive cleavage and 1D- and 2D-NMR spectroscopy. The polysaccharide consists of a regular disaccharide repeating unit with the structure: [structure: see text]. The mannan core was obtained by mild hydrolysis of the polysaccharide F1SS and its structure was deduced to be composed of a skeleton of α-(1→6)-mannopyranan, with around 1 out of 11 residues substituted at position 2 by short chains (one to six units) of 2-substituted mannopyranoses. DOSY experiments provided molecular sizes of 60 kDa and 2.5 kDa for the polysaccharide F1SS and the Mannan core, respectively. This is the first report of a fungal mannofuranose-containing cell wall polysaccharide.
NMR spectroscopy, cell wall polysaccharide, fungi, Acrospermaceae, mannofuranose
NCBI PubMed ID: 17473982Publication DOI: 10.1007/s10719-007-9032-5Journal NLM ID: 8603310Publisher: Kluwer Academic Publishers
Correspondence: Manuel Bernabé
Institutions: Centro de Investigaciones Biológicas. CSIC, Ciudad Universitaria, Madrid, Spain, Departamento de Química Orgánica Biológica, Instituto de Química Orgánica. CSIC, Madrid, Spain
Methods: 13C NMR, 1H NMR, methylation, NMR-2D, partial acid hydrolysis, GC-MS, acid hydrolysis, GLC, GC, composition analysis, extraction, reductive cleavage
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