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1. (Article ID: 999)
Molinaro A, Bedini E, Ferrara R, Lanzetta R, Parrilli M, Evidente A, Lo CP, Iacobellis NS
Structural determination of the O-specific chain of the lipopolysaccharide from the mushrooms pathogenic bacterium Pseudomonas tolaasii
Carbohydrate Research 338(11) (2003)
1251-1257
The complete structure of the O-specific polysaccharide of the lipopolysaccharide isolated from the cultivated mushrooms pathogen Pseudomonas tolaasii is described. The structural determination, achieved by chemical and spectroscopical analyses, indicates a novel tetrasaccharide repeating unit built up of two units of 2-acetamido-2,6-di-deoxy-glucopyranose (quinovosamine, QuipNAc) and two units of 2- acetamido-2-deoxy-gulopyranuronamide (GulpNAcAN), one of which is acetylated at C-3 position:
Lipopolysaccharide, structure, tetrasaccharide, structural, polysaccharide, repeating unit, Pseudomonas, chain, determination, structural determination, bacteria, O-specific, O-specific polysaccharide, chemical, position, pathogen, acetylated, mushroom, pathogenic bacteria, mushrooms, pathogenic, quinovosamine
NCBI PubMed ID: 12747869Journal NLM ID: 0043535Publisher: Elsevier
Correspondence: molinaro
unina.it
Institutions: Dipartimento di Chimica Organica e Biochimica, Universita di Napoli 'Federico II', Complesso Universitario Monte Sant' Angelo, Via Cintia 4, 80126, Napoli, Italy
Methods: NMR
The publication contains the following compound(s):
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2. (Article ID: 10477)
Shinozaki Y, Tobita T, Mizutani M, Matsuzaki T
Isolation and identification of two new diterpene glycosides from Nicotiana tabacum
Bioscience, Biotechnology, and Biochemistry 60 (1996)
903-905
Two new diterpene glycosides containing 20-hydroxygeranyllinalool were isolated and identified from Nicotiana tabacum. These compounds consisted of five molecules of glucose and/or rhamnose. The locations of the aglycone and glycosides in the molecules were determined by 2D-NMR with the HMBC technique. The structures were (6E,10E,14Z)-20-hydroxygeranyllinalyl-3-O-[α-L-rhamnopyranosyl(1→4)]-β-D-glucopyranoside-20-O-[β-D-glucopyranosyl(1→2)]-[α-L-rhamnopyranosyl(1→6)]-β-D-glucopyranoside and (6E,10E,14Z)-20-hydroxygeranyllinalyl-3-O-[α-L-rhamnopyranosyl(1→4)]-β-D-glycopyranoside-20-O-[α-L-rhamnopyranosyl(1→4)]-[α-L-rhamnopyranosyl(1→6)]-β-D-glucopyranoside.
NCBI PubMed ID: 8704321Publication DOI: 10.1271/bbb.60.903Journal NLM ID: 9205717Publisher: Japan Society for Bioscience, Biotechnology, and Agrochemistry
Institutions: Product Technology Development Division, Japan Tobacco Inc., Tokyo, Japan
Methods: 13C NMR, FAB-MS, 3H NMR
The publication contains the following compound(s):
- Compound ID: 25722
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a-L-Rhap-(1-4)-b-D-Glcp-(1-3)-+
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a-L-Rhap-(1-6)-+ |
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b-D-Glcp-(1-2)-b-D-Glcp-(1-20)-Subst
Subst = 6E,10E,14Z-20-hydroxy-geranyllinalool = SMILES C=C{3}C(C)(O)CC/C=C(C)/CC/C=C(C)/CC/C=C({20}CO)/C |
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Structure type: oligomer
Reference(s) to other database(s): CCSD:
3063, CBank-STR:185
- Compound ID: 25723
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a-L-Rhap-(1-4)-b-D-Glcp-(1-3)-+
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a-L-Rhap-(1-6)-+ |
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a-L-Rhap-(1-4)-b-D-Glcp-(1-20)-Subst
Subst = 6E,10E,14Z-20-hydroxy-geranyllinalool = SMILES C=C{3}C(C)(O)CC/C=C(C)/CC/C=C(C)/CC/C=C({20}CO)/C |
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Structure type: oligomer
Compound class: saponin glycoside
Reference(s) to other database(s): CCSD:
3085, CBank-STR:190
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