Found 2 structures.
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1. Compound ID: 24608
Structure type: oligomer
Contained glycoepitopes: IEDB_114704,IEDB_115013,IEDB_130645,IEDB_130651,IEDB_131186,IEDB_134624,IEDB_135818,IEDB_136044,IEDB_136095,IEDB_136906,IEDB_137472,IEDB_141794,IEDB_144987,IEDB_149176,IEDB_149558,IEDB_151528,IEDB_153201,IEDB_156492,IEDB_156493,IEDB_167072,IEDB_190606,IEDB_221845,IEDB_241097,IEDB_742245,IEDB_742246,IEDB_742247,IEDB_742248,IEDB_885812,IEDB_918313,IEDB_918314,SB_163,SB_165,SB_166,SB_187,SB_195,SB_31,SB_62,SB_7,SB_87,SB_88
The structure is contained in the following publication(s):
- Article ID: 10067
Lau JM, McNeil M, Darvill AG, Albersheim P "Treatment of rhamnogalacturonan I with lithium in ethylenediamine" -
Carbohydrate Research 168 (1987) 245-274
Rhamnogalacturonan I is a pectic polysaccharide that is solubilized from the walls of suspension-cultured sycamore cells (Acer pseudoplatanus) by the action of a highly purified endo-1,4-α-polygalacturonanase. Rhamnogalacturonan I has a linear backbone consisting of the diglycosyl repeating unit, →4)-α-d-GalpA-(1→2)-α-l-Rhap-(1→. Approximately half of the α-l-rhamnosyl residues of the backbone are branched at O-4. Selective cleavage at the galactosyluronic acid residues of the backbone by treatment of rhamnogalacturonan I wit lithium in ethylenediamine resulted in the release of the neutral glycosyl-residue sidechains that had been attached to the backbone. Various analytical techniques, including combined liquid chromatography-mass spectrometry, combined gas-liquid chromatography-mass spectrometry, and 1H-nuclear magnetic resonance spectroscopy, were used to determine the structure of the side chains. The majority of the sidechains were isolated as oligoglycosylalditols, with rhamnitol at the “reducing” end. Terminal 2-, 4-, or 6-linked galactosyl residues were found attached to O-4 of the rhamnitol residues The 2-, 4-, and 6-linked galactosyl residues had terminal or 2-linked arabinosyl, or additional galactosyl, residues attached to them. Based on the results of fast-atom-bombardment mass spectrometry, the side chains were found to range in size from one to fourteen glycosyl residues. The side-chain structures suggest that there are four or more distinct families of side chains attached to the backbone of rhamnogalacturonan I.
Publication DOI: 10.1016/0008-6215(87)80029-0Journal NLM ID: 0043535Publisher: Elsevier
Institutions: Department of Chemistry, University of Colorado, Boulder, and Complex Carbohydrate Research Center and School of Chemical Sciences, University of Georgia, Athens, GA, U.S.A.
Methods: gel filtration, 1H NMR, GLC-MS, FAB-MS
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2. Compound ID: 24612
Structure type: oligomer
Contained glycoepitopes: IEDB_114704,IEDB_115013,IEDB_130645,IEDB_130651,IEDB_131186,IEDB_134624,IEDB_135818,IEDB_136044,IEDB_136095,IEDB_136906,IEDB_137472,IEDB_141492,IEDB_141794,IEDB_144987,IEDB_149176,IEDB_149558,IEDB_151528,IEDB_153201,IEDB_156489,IEDB_156491,IEDB_156492,IEDB_156493,IEDB_156494,IEDB_167072,IEDB_190606,IEDB_221845,IEDB_241097,IEDB_742245,IEDB_742246,IEDB_742247,IEDB_742248,IEDB_885812,IEDB_918313,IEDB_918314,SB_163,SB_165,SB_166,SB_187,SB_195,SB_31,SB_62,SB_7,SB_87,SB_88
The structure is contained in the following publication(s):
- Article ID: 10067
Lau JM, McNeil M, Darvill AG, Albersheim P "Treatment of rhamnogalacturonan I with lithium in ethylenediamine" -
Carbohydrate Research 168 (1987) 245-274
Rhamnogalacturonan I is a pectic polysaccharide that is solubilized from the walls of suspension-cultured sycamore cells (Acer pseudoplatanus) by the action of a highly purified endo-1,4-α-polygalacturonanase. Rhamnogalacturonan I has a linear backbone consisting of the diglycosyl repeating unit, →4)-α-d-GalpA-(1→2)-α-l-Rhap-(1→. Approximately half of the α-l-rhamnosyl residues of the backbone are branched at O-4. Selective cleavage at the galactosyluronic acid residues of the backbone by treatment of rhamnogalacturonan I wit lithium in ethylenediamine resulted in the release of the neutral glycosyl-residue sidechains that had been attached to the backbone. Various analytical techniques, including combined liquid chromatography-mass spectrometry, combined gas-liquid chromatography-mass spectrometry, and 1H-nuclear magnetic resonance spectroscopy, were used to determine the structure of the side chains. The majority of the sidechains were isolated as oligoglycosylalditols, with rhamnitol at the “reducing” end. Terminal 2-, 4-, or 6-linked galactosyl residues were found attached to O-4 of the rhamnitol residues The 2-, 4-, and 6-linked galactosyl residues had terminal or 2-linked arabinosyl, or additional galactosyl, residues attached to them. Based on the results of fast-atom-bombardment mass spectrometry, the side chains were found to range in size from one to fourteen glycosyl residues. The side-chain structures suggest that there are four or more distinct families of side chains attached to the backbone of rhamnogalacturonan I.
Publication DOI: 10.1016/0008-6215(87)80029-0Journal NLM ID: 0043535Publisher: Elsevier
Institutions: Department of Chemistry, University of Colorado, Boulder, and Complex Carbohydrate Research Center and School of Chemical Sciences, University of Georgia, Athens, GA, U.S.A.
Methods: gel filtration, 1H NMR, GLC-MS, FAB-MS
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