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2016
Richards, Michele R., Campuzano, Iain D. G., Kitova, Elena N., Klassen, John S., Li, Jun, Privé, Gilbert G., Xiong, Zi Jian, Bagal, Dhanashri
Saposin A (SapA) lipoprotein discs, also known as picodiscs (PDs), represent an attractive method to solubilize glycolipids for protein interaction studies in aqueous solution. Recent electrospray ionization mass spectrometry (ESI-MS) data suggest that the size and composition of...
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2016
Klassen, John S., Campuzano, Iain D. G., Bagal, Dhanashri, Privé, Gilbert G., Kitova, Elena N., Xiong, Zi Jian, Richards, Michele R., Li, Jun
Saposin A (SapA) lipoprotein discs, also known as picodiscs (PDs), represent an attractive method to solubilize glycolipids for protein interaction studies in aqueous solution. Recent electrospray ionization mass spectrometry (ESI-MS) data suggest that the size and composition of...
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Identifying nonspecific ligand binding in electrospray ionization mass spectrometry using the reporter molecule method
Download2009
Sun, Nian, Klassen, John S., Kitova, Elena N., Sun, Jiangxiao
The application of the reporter molecule (Mrep) method for identifying nonspecific complexes in the ES-MS analysis of protein-ligand and DNA-ligand interactions in vitro is described. To test the reliability of the method, it was applied to the ES-MS analysis of protein-carbohydrate complexes...
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Nonspecific interactions between proteins and charged biomolecules in electrospray ionization mass spectrometry
Download2010
Soya, Naoto, Klassen, John S., Kitova, Elena N., Sun, Nian
An investigation of the nonspecific association of small charged biomolecules and proteins in electrospray ionization mass spectrometry (ES-MS) is described. Aqueous solutions containing pairs of proteins and a small acidic or basic biomolecule that does not interact specifically with either of...
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Nonspecific interactions between proteins and charged biomolecules in electrospray ionization mass spectrometry
Download2010
Kitova, Elena N., Sun, Nian, Klassen, John S., Soya, Naoto
An investigation of the nonspecific association of small charged biomolecules and proteins in electrospray ionization mass spectrometry (ES-MS) is described. Aqueous solutions containing pairs of proteins and a small acidic or basic biomolecule that does not interact specifically with either of...
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Protein-glycolipid interactions studied in vitro using ESI-MS and nanodiscs: Insights into the mechanisms and energetics of binding
Download2015
Han, Ling Han, Kitova, Elena N., Klassen, John S., Pluvinage, Benjamin, Lin, Hong, Nikjah, Sanaz, Li, Jun, Boraston, Alisdair B.
Electrospray ionization-mass spectrometry (ESI-MS) analysis combined with the use of nanodiscs (NDs) to solubilize glycolipids (GLs) has recently emerged as a promising analytical method for detecting protein–GL interactions in vitro and, when applied to libraries of GLs, ranking their...
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Protein-glycolipid interactions studied in vitro using ESI-MS and nanodiscs: Insights into the mechanisms and energetics of binding
Download2015
Nikjah, Sanaz, Boraston, Alisdair B., Lin, Hong, Kitova, Elena N., Li, Jun, Pluvinage, Benjamin, Han, Ling Han, Klassen, John S.
Electrospray ionization-mass spectrometry (ESI-MS) analysis combined with the use of nanodiscs (NDs) to solubilize glycolipids (GLs) has recently emerged as a promising analytical method for detecting protein–GL interactions in vitro and, when applied to libraries of GLs, ranking their...
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Quantifying labile protein-ligand interactions using electrospray ionization mass spectrometry
Download2010
El-Hawiet, Amr, Klassen, John S., Kitova, Elena N., Liu, Lan
A new electrospray ionization mass spectrometry (ES-MS) approach for quantifying protein—ligand complexes that are prone to in-source (gas-phase) dissociation is described. The method, referred to here as the reference ligand ES-MS method, is based on the direct ES-MS assay and competitive ligand...
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Quantifying labile protein-ligand interactions using electrospray ionization mass spectrometry
Download2010
El-Hawiet, Amr, Liu, Lan, Klassen, John S., Kitova, Elena N.
A new electrospray ionization mass spectrometry (ES-MS) approach for quantifying protein—ligand complexes that are prone to in-source (gas-phase) dissociation is described. The method, referred to here as the reference ligand ES-MS method, is based on the direct ES-MS assay and competitive ligand...
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Screening oligosaccharide libraries against lectins using the proxy protein electrospray ionization mass spectrometry assay
Download2016
Kitova, Elena N., Klassen, John S., Fan, Xuxin, Privé, Gilbert G., Cairo, Christopher W., Xiong, Zi Jian, Ng, Kenneth K. S., Zou, Chunxia, Eugenio, Luiz, Li, Jun
An electrospray ionization mass spectrometry (ESI-MS) assay for screening carbohydrate libraries against lectins is described. The assay is based on the proxy protein ESI-MS method, which combines direct ESI-MS protein–ligand binding measurements and competitive protein binding, to simultaneously...