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1. (Article ID: 4850)
Kaszowska M, Niedziela T, Maciejewska A, Lukasiewicz J, Jachymek W, Lugowski C
Core oligosaccharide of Escherichia coli B-the structure required for bacteriophage T4 recognition
Carbohydrate Research 413 (2015)
51-54
The structure of Escherichia coli B strain PCM 1935 core oligosaccharide has been investigated by (1)H and (13)C NMR spectroscopy, MALDI-TOF MS and ESI MS(n). It was concluded that the core oligosaccharide is a pentasaccharide with the following structure: ESI MS/MS analysis revealed that the glycine (a minor component) is linked to the →3,7)-l-α-d-Hepp-(1→ residue.
Lipopolysaccharide, NMR, core oligosaccharide, MALDI-TOF, ESI MS, glycine, Escherichia coli B
NCBI PubMed ID: 26091777Publication DOI: 10.1016/j.carres.2015.04.023Journal NLM ID: 0043535Publisher: Elsevier
Correspondence: marta.kaszowska
iitd.pan.wroc.pl
Institutions: Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland
Methods: 13C NMR, 1H NMR, 31P NMR, ESI-MS, mild acid hydrolysis, MALDI-TOF MS
The publication contains the following compound(s):
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2. (Article ID: 10483)
Kawashima K, Mimaki Y, Sashida Y
Schubertosides A-D, new (22S)-hydroxycholestane glycosides from Allium schubertii
Chemical and Pharmaceutical Bulletin 39 (1991)
2761-2763
Four new (22S)-hydroxycholestane glycosides, schubertosides A - D, have been isolated from the bulbs of Allium schubertii. Their structures were determined by spectroscopic analaysis and hydrolysis. The advanced Mosher's method was applied to determined the C-22 absolute configuration.
Liliaceae, Allium schubertii, (22S)-hydroxycholestane glycoside, schubertoside
Journal NLM ID: 0377775WWW link: http://ci.nii.ac.jp/naid/110003628963Publisher: Pharmaceutical Society Of Japan
Institutions: Tokyo College of Pharmacy, Tokyo, Japan
Methods: 13C NMR, 1H NMR, EI-MS, acid hydrolysis, enzymatic digestion, SI-MS
The publication contains the following compound(s):
- Compound ID: 25740
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a-L-Rhap-(1-3)-a-D-Galp-(1-16)-Subst
Subst = 16β,22S-dihydroxycholest-4-en-3-one = SMILES CC(C)CC{22}[C@H](O)[C@@H](C)[C@H]1{16}[C@@H](O)C[C@@]2([H])[C@]3([H])CCC4=CC(CC[C@]4(C)[C@@]3([H])CC[C@]12C)=O |
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Structure type: oligomer
; 725 [M+H]+
C39H64O12
Trivial name: schubertoside A
Compound class: saponin glycoside
Reference(s) to other database(s): CCSD:
31066, CBank-STR:3842
- Compound ID: 25741
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a-L-Rhap-(1-3)-a-D-Galp-(1-16)-Subst
Subst = cholest-5-ene-3β,16β,22S-triol = SMILES CC(C)CC{22}[C@H](O)[C@@H](C)[C@H]1{16}[C@@H](O)C[C@@]2([H])[C@]3([H])CC=C4C{3}[C@@H](O)CC[C@]4(C)[C@@]3([H])CC[C@]12C |
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Structure type: oligomer
; 749 [M+Na]+
C39H66O12
Trivial name: schubertoside B
Compound class: saponin glycoside
Reference(s) to other database(s): CCSD:
31067, CBank-STR:3841
- Compound ID: 25742
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a-D-Glcp-(1-3)-+
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a-L-Rhap-(1-3)-a-D-Galp-(1-16)-Subst
Subst = cholest-5-ene-3β,16β,22S-triol = SMILES CC(C)CC{22}[C@H](O)[C@@H](C)[C@H]1{16}[C@@H](O)C[C@@]2([H])[C@]3([H])CC=C4C{3}[C@@H](O)CC[C@]4(C)[C@@]3([H])CC[C@]12C |
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Structure type: oligomer
; 911 [M+Na]+
C45H76O17
Trivial name: schubertoside C
Compound class: saponin glycoside
Reference(s) to other database(s): CCSD:
31068, CBank-STR:5777
- Compound ID: 25743
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a-L-Rhap-(1-1)-+
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a-L-Rhap-(1-3)-a-D-Galp-(1-16)-Subst
Subst = cholest-5-ene-1β,3β,16β,22S-tetrol = SMILES CC(C)CC{22}[C@H](O)[C@@H](C)[C@H]1{16}[C@@H](O)C[C@@]2([H])[C@]3([H])CC=C4C{3}[C@@H](O)C{1}[C@@H](O)[C@]4(C)[C@@]3([H])CC[C@]12C |
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Structure type: oligomer
; 890 [M+2H]+
C45H76O17
Trivial name: schubertoside D
Compound class: saponin glycoside
Reference(s) to other database(s): CCSD:
31069, CBank-STR:5277
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