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Lee S, Kwon S, Kwon C, Jung S
Low-energy collision-activated dissociation electrospray ionization tandem mass spectrometric analysis of sinorhizobial succinoglycan monomers
Carbohydrate Research 344(9) (2009)
1127-1129
|
Pyr-(2-6:2-4)-b-D-Glcp-(1-3)-b-D-Glcp-(1-3)-b-D-Glcp-(1-6)-b-D-Glcp-(1-6)-b-D-Glcp-(1-4)-b-D-Glcp6Ac-(1-4)-b-D-Glcp-(1-3)-b-D-Galp |
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Rhizobium meliloti 1021
(later renamed to: Sinorhizobium meliloti 1021)
(NCBI TaxID 266834,
species name lookup)
Taxonomic group: bacteria / Proteobacteria
(Phylum: Proteobacteria)
NCBI PubMed ID: 19398097Journal NLM ID: 0043535Publisher: Elsevier
Correspondence: S. Jung <shjung
konkuk.ac.kr>
Institutions: Department of Biomolecular Mass Spectrometry, Seoul Medical Science Institute, Seoul, Republic of Korea
Succinoglycan monomers (M1, M2, and M3) are octasaccharides with acetyl, pyruvyl, and/or succinyl groups as substituents derived from Sinorhizobium meliloti 1021. The dissociation patterns of the octasaccharides caused by low-energy collision-activated dissociation (CAD) were investigated using triple quadrupole tandem mass spectrometry (MS) equipped with an electrospray ionization (ESI) source with increasing collision energy (CE) in negative ion mode. None of the succinoglycan monomers were fragmented at a CE of -25eV. When the CE was applied to -50 or -70eV, the loss of the terminal Gal residue and/or the succinyl group of the monomers was observed in the product ion scan mode. Interestingly, the acetyl and the pyruvyl groups in the succinoglycan monomers were not lost even when a CE of -70eV was applied, indicating that the substituents are more stable than the succinyl group in the octasaccharides.
Succinoglycan monomers, Collision-activated dissociation, Electrospray ionization tandem mass spectrometer, Octasaccharides, Sinorhizobium meliloti 1021
Structure type: oligomer
Location inside paper: p.1127, fig.1, M1
Trivial name: succinoglycan
Contained glycoepitopes: IEDB_135614,IEDB_136044,IEDB_137472,IEDB_141794,IEDB_141806,IEDB_142488,IEDB_146664,IEDB_153543,IEDB_158555,IEDB_190606,IEDB_241101,IEDB_983931,SB_165,SB_166,SB_187,SB_192,SB_195,SB_7,SB_88
Methods: ESI-MS, CE-MS, CAD-MS/MS, ESI-CAD-MS
Related record ID(s): 24076, 24077
NCBI Taxonomy refs (TaxIDs): 266834
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There is only one chemically distinct structure:
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Lee S, Kwon S, Kwon C, Jung S
Low-energy collision-activated dissociation electrospray ionization tandem mass spectrometric analysis of sinorhizobial succinoglycan monomers
Carbohydrate Research 344(9) (2009)
1127-1129
|
Suc-(1-6)-+
|
Pyr-(2-6:2-4)-b-D-Glcp-(1-3)-b-D-Glcp-(1-3)-b-D-Glcp-(1-6)-b-D-Glcp-(1-6)-b-D-Glcp-(1-4)-b-D-Glcp6Ac-(1-4)-b-D-Glcp-(1-3)-b-D-Galp |
Show graphically |
Rhizobium meliloti 1021
(later renamed to: Sinorhizobium meliloti 1021)
(NCBI TaxID 266834,
species name lookup)
Taxonomic group: bacteria / Proteobacteria
(Phylum: Proteobacteria)
NCBI PubMed ID: 19398097Journal NLM ID: 0043535Publisher: Elsevier
Correspondence: S. Jung <shjung
konkuk.ac.kr>
Institutions: Department of Biomolecular Mass Spectrometry, Seoul Medical Science Institute, Seoul, Republic of Korea
Succinoglycan monomers (M1, M2, and M3) are octasaccharides with acetyl, pyruvyl, and/or succinyl groups as substituents derived from Sinorhizobium meliloti 1021. The dissociation patterns of the octasaccharides caused by low-energy collision-activated dissociation (CAD) were investigated using triple quadrupole tandem mass spectrometry (MS) equipped with an electrospray ionization (ESI) source with increasing collision energy (CE) in negative ion mode. None of the succinoglycan monomers were fragmented at a CE of -25eV. When the CE was applied to -50 or -70eV, the loss of the terminal Gal residue and/or the succinyl group of the monomers was observed in the product ion scan mode. Interestingly, the acetyl and the pyruvyl groups in the succinoglycan monomers were not lost even when a CE of -70eV was applied, indicating that the substituents are more stable than the succinyl group in the octasaccharides.
Succinoglycan monomers, Collision-activated dissociation, Electrospray ionization tandem mass spectrometer, Octasaccharides, Sinorhizobium meliloti 1021
Structure type: oligomer
Location inside paper: p.1127, fig.1, M2
Trivial name: succinoglycan
Contained glycoepitopes: IEDB_135614,IEDB_136044,IEDB_137472,IEDB_141794,IEDB_141806,IEDB_142488,IEDB_146664,IEDB_153543,IEDB_158555,IEDB_190606,IEDB_241101,IEDB_983931,SB_165,SB_166,SB_187,SB_192,SB_195,SB_7,SB_88
Methods: ESI-MS, CE-MS, CAD-MS/MS, ESI-CAD-MS
Related record ID(s): 23761, 24077, 24078
NCBI Taxonomy refs (TaxIDs): 266834
Show glycosyltransferases
There is only one chemically distinct structure:
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Lee S, Kwon S, Kwon C, Jung S
Low-energy collision-activated dissociation electrospray ionization tandem mass spectrometric analysis of sinorhizobial succinoglycan monomers
Carbohydrate Research 344(9) (2009)
1127-1129
|
Suc-(1-6)-+ Suc-(1-6)-+
| |
Pyr-(2-6:2-4)-b-D-Glcp-(1-3)-b-D-Glcp-(1-3)-b-D-Glcp-(1-6)-b-D-Glcp-(1-6)-b-D-Glcp-(1-4)-b-D-Glcp6Ac-(1-4)-b-D-Glcp-(1-3)-b-D-Galp |
Show graphically |
Rhizobium meliloti 1021
(later renamed to: Sinorhizobium meliloti 1021)
(NCBI TaxID 266834,
species name lookup)
Taxonomic group: bacteria / Proteobacteria
(Phylum: Proteobacteria)
NCBI PubMed ID: 19398097Journal NLM ID: 0043535Publisher: Elsevier
Correspondence: S. Jung <shjung
konkuk.ac.kr>
Institutions: Department of Biomolecular Mass Spectrometry, Seoul Medical Science Institute, Seoul, Republic of Korea
Succinoglycan monomers (M1, M2, and M3) are octasaccharides with acetyl, pyruvyl, and/or succinyl groups as substituents derived from Sinorhizobium meliloti 1021. The dissociation patterns of the octasaccharides caused by low-energy collision-activated dissociation (CAD) were investigated using triple quadrupole tandem mass spectrometry (MS) equipped with an electrospray ionization (ESI) source with increasing collision energy (CE) in negative ion mode. None of the succinoglycan monomers were fragmented at a CE of -25eV. When the CE was applied to -50 or -70eV, the loss of the terminal Gal residue and/or the succinyl group of the monomers was observed in the product ion scan mode. Interestingly, the acetyl and the pyruvyl groups in the succinoglycan monomers were not lost even when a CE of -70eV was applied, indicating that the substituents are more stable than the succinyl group in the octasaccharides.
Succinoglycan monomers, Collision-activated dissociation, Electrospray ionization tandem mass spectrometer, Octasaccharides, Sinorhizobium meliloti 1021
Structure type: oligomer
Location inside paper: p.1127, fig.1, M3
Trivial name: succinoglycan
Contained glycoepitopes: IEDB_135614,IEDB_136044,IEDB_137472,IEDB_141794,IEDB_141806,IEDB_142488,IEDB_146664,IEDB_153543,IEDB_158555,IEDB_190606,IEDB_241101,IEDB_983931,SB_165,SB_166,SB_187,SB_192,SB_195,SB_7,SB_88
Methods: ESI-MS, CE-MS, CAD-MS/MS, ESI-CAD-MS
Related record ID(s): 23761, 24076
NCBI Taxonomy refs (TaxIDs): 266834
Show glycosyltransferases
There is only one chemically distinct structure:
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