J. Klassen

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Ion Activation Methods for Tandem Mass Spectrometry

K. Håkansson, J. Klassen, John S. Klassen, 2012 .

Influence of solution and gas phase processes on protein-carbohydrate binding affinities determined by nanoelectrospray Fourier transform ion cyclotron resonance mass spectrometry.

J. Klassen, John S. Klassen, Weijie Wang, 2003, Analytical chemistry.

Determination of protein-ligand association thermochemistry using variable-temperature nanoelectrospray mass spectrometry.

J. Klassen, E. Kitova, Rambod Daneshfar, 2004, Journal of the American Chemical Society.

Temperature-dependent cooperativity in donor-acceptor substrate binding to the human blood group glycosyltransferases.

M. Palcic, J. Klassen, N. Soya, 2008, Glycobiology.

Quantifying labile protein—Ligand interactions using electrospray ionization mass spectrometry

J. Klassen, Lan Liu, Amr El-Hawiet, 2010, Journal of the American Society for Mass Spectrometry.

Reliable Determinations of Protein–Ligand Interactions by Direct ESI-MS Measurements. Are We There Yet?

P. Schnier, J. Klassen, Amr El-Hawiet, 2012, Journal of The American Society for Mass Spectrometry.

The bundlin pilin protein of enteropathogenic Escherichia coli is an N‐acetyllactosamine‐specific lectin

G. Armstrong, G. Mulvey, J. Klassen, 2007, Cellular microbiology.

Detecting Protein–Glycolipid Interactions Using CaR-ESI-MS and Model Membranes: Comparison of Pre-loaded and Passively Loaded Picodiscs

G. Privé, J. Klassen, John S. Klassen, 2018, Journal of The American Society for Mass Spectrometry.

Characterizing the Size and Composition of Saposin A Lipoprotein Picodiscs.

Iain D. G. Campuzano, G. Privé, M. R. Richards, 2016, Analytical chemistry.

Screening Glycolipids Against Proteins in Vitro Using Picodiscs and Catch-and-Release Electrospray Ionization-Mass Spectrometry.

G. Privé, K. Ng, J. Klassen, 2016, Analytical chemistry.

Protein-glycolipid interactions studied in vitro using ESI-MS and nanodiscs: insights into the mechanisms and energetics of binding.

A. Boraston, J. Klassen, John S. Klassen, 2015, Analytical chemistry.

Protein-glycosphingolipid interactions revealed using catch-and-release mass spectrometry.

J. Klassen, C. Cairo, Yixuan Zhang, 2012, Analytical chemistry.

Assembly and stability of the shiga toxins investigated by electrospray ionization mass spectrometry.

G. Armstrong, T. Dingle, I. Sinelnikov, 2009, Biochemistry.

Picodiscs for facile protein-glycolipid interaction analysis.

G. Privé, J. Klassen, C. Cairo, 2015, Analytical chemistry.

An entropically efficient supramolecular inhibition strategy for Shiga toxins.

G. Armstrong, P. Kitov, J. Sadowska, 2008, Angewandte Chemie.

CUPRA-ZYME: An assay for measuring carbohydrate-active enzyme activities, pathways and substrate specificities.

K. Moremen, Matthew S Macauley, D. Chapla, 2020, Analytical chemistry.

Structural and biochemical characterization of the exopolysaccharide deacetylase Agd3 required for Aspergillus fumigatus biofilm formation

P. Howell, J. Klassen, D. Sheppard, 2020, Nature Communications.

Carbohydrate sulfation as a mechanism for fine-tuning Siglec ligands

Nitin, Chu-Wei Kuo, K. Khoo, 2021, bioRxiv.

DETERMINATIONS OF ION-MOLECULE EQUILIBRIA INVOLVING IONS PRODUCED BY ELECTROSPRAY. HYDRATION OF PROTONATED AMINES, DIAMINES, AND SOME SMALL PEPTIDES

P. Kebarle, J. Klassen, A. Blades, 1995 .

Hydration of gas-phase gramicidin S (M + 2H)2+ ions formed by electrospray: The transition from solution to gas-phase structure

E. Williams, J. Klassen, S. E. Rodriguez-Cruz, 1997 .

Reaction Enthalpies for M+L = M+ + L, Where M+ = Na+ and K+ and L = Acetamide, N-Methylacetamide, N,N-Dimethylacetamide, Glycine, and Glycylglycine, from Determinations of the Collision-Induced Dissociation Thresholds

P. Kebarle, J. Klassen, John S. Klassen, 1996 .

Crystal structures of human lysosomal EPDR1 reveal homology with the superfamily of bacterial lipoprotein transporters.

G. Privé, J. Klassen, C. Cairo, 2019 .

Crystal structures of human lysosomal EPDR1 reveal homology with the superfamily of bacterial lipoprotein transporters

G. Privé, J. Klassen, C. Cairo, 2019, Communications Biology.

The observation of multivalent complexes of Shiga-like toxin with globotriaoside and the determination of their stoichiometry by nanoelectrospray Fourier-transform ion cyclotron resonance mass spectrometry.

P. Kitov, D. Bundle, J. Klassen, 2001, Glycobiology.

Neoglycolipids as Glycosphingolipid Surrogates for Protein Binding Studies Using Nanodiscs and Native Mass Spectrometry.

Y. St-Pierre, T. Lowary, J. Klassen, 2020, Analytical chemistry.

Quantifying Carbohydrate-Active Enzyme Activity with Glycoprotein Substrates Using Electrospray Ionization Mass Spectrometry and Center-of-Mass Monitoring.

W. Wakarchuk, K. Moremen, Matthew S Macauley, 2021, Analytical chemistry.

Screening natural libraries of human milk oligosaccharides against lectins using CaR-ESI-MS.

L. Bode, Franco H Falcone, P. Kitov, 2018, The Analyst.

Synthetic polyprenol-pyrophosphate linked oligosaccharides are efficient substrates for mycobacterial galactan biosynthetic enzymes.

T. Lowary, J. Klassen, R. Zheng, 2018, Organic & biomolecular chemistry.

Nonspecific protein-carbohydrate complexes produced by nanoelectrospray ionization. Factors influencing their formation and stability.

J. Klassen, Weijie Wang, E. Kitova, 2005, Analytical chemistry.

Catalytic Mechanism and Mode of Action of the Periplasmic Alginate Epimerase AlgG*

P. Howell, H. Robinson, J. Klassen, 2014, The Journal of Biological Chemistry.

Binding of Clostridium difficile toxins to human milk oligosaccharides.

G. Armstrong, T. Dingle, K. Ng, 2011, Glycobiology.

Sialic acid-containing glycolipids mediate binding and viral entry of SARS-CoV-2

S. Hsu, T. Hobman, Matthew S Macauley, 2021, Nature Chemical Biology.

Sialic acid-Dependent Binding and Viral Entry of SARS-CoV-2

S. Hsu, Matthew S Macauley, G. Boons, 2021, bioRxiv.

Applications of a catch and release electrospray ionization mass spectrometry assay for carbohydrate library screening.

J. Klassen, John S. Klassen, Amr El-Hawiet, 2012, Analytical chemistry.

Silent Encoding of Chemical Post-Translational Modifications in Phage-Displayed Libraries.

R. Derda, P. Kitov, J. Klassen, 2016, Journal of the American Chemical Society.

High-Throughput Label- and Immobilization-Free Screening of Human Milk Oligosaccharides Against Lectins.

Y. St-Pierre, J. Klassen, Amr El-Hawiet, 2017, Analytical chemistry.

Structural and binding characterization of the LacdiNAc-specific adhesin (LabA; HopD) exodomain from Helicobacter pylori

P. Gellert, G. S. Winkler, S. Stolnik, 2020, Current research in structural biology.

Unexpected structure of a C. difficile toxin A ligand necessitates an annotation correction in a popular screening library.

K. Ng, N. Razi, D. Bundle, 2011, Chemical communications.

Quantifying protein interactions with isomeric carbohydrate ligands using a catch and release electrospray ionization-mass spectrometry assay.

J. Klassen, Amr El-Hawiet, E. Kitova, 2013, Analytical chemistry.

Blackbody infrared radiative dissociation of oligonucleotide anions

P. Schnier, E. Williams, J. Klassen, 1998, Journal of the American Society for Mass Spectrometry.

Activation energies for dissociation of double strand oligonucleotide anions: evidence for watson-crick base pairing in vacuo.

P. Schnier, E. Williams, J. Klassen, 1998, Journal of the American Chemical Society.

The small RbcS-like domains of the beta-carboxysome structural protein, CcmM, bind RubisCO at a site distinct from that binding the RbcS subunit.

Kimber, J. Klassen, John S. Klassen, 2019 .

The small RbcS-like domains of the β-carboxysome structural protein CcmM bind RubisCO at a site distinct from that binding the RbcS subunit

J. Klassen, John S. Klassen, M. Kimber, 2018, The Journal of Biological Chemistry.

Quantifying protein-ligand interactions by direct electrospray ionization-MS analysis: evidence of nonuniform response factors induced by high molecular weight molecules and complexes.

J. Klassen, John S. Klassen, E. Kitova, 2013, Analytical chemistry.

Determination of protein-oligosaccharide binding by nanoelectrospray fourier-transform ion cyclotron resonance mass spectrometry.

J. Klassen, Weijie Wang, E. Kitova, 2003, Methods in enzymology.

Blackbody infrared radiative dissociation of nonspecific protein-carbohydrate complexes produced by nanoelectrospray ionization: The nature of the noncovalent interactions

J. Klassen, John S. Klassen, Weijie Wang, 2005, Journal of the American Society for Mass Spectrometry.

Screening Anti-Cancer Drugs against Tubulin using Catch-and-Release Electrospray Ionization Mass Spectrometry

J. Tuszynski, Philip Winter, J. Klassen, 2016, Journal of The American Society for Mass Spectrometry.

Dissociation Kinetics of the Streptavidin–Biotin Interaction Measured Using Direct Electrospray Ionization Mass Spectrometry Analysis

J. Klassen, John S. Klassen, E. Kitova, 2012, Journal of The American Society for Mass Spectrometry.

Mapping Protein–Ligand Interactions in the Gas Phase Using a Functional Group Replacement Strategy. Comparison of CID and BIRD Activation Methods

J. Klassen, E. Kitova, Lu Deng, 2013, Journal of The American Society for Mass Spectrometry.

Kinetic stability of the streptavidin-biotin interaction enhanced in the gas phase.

A. Broom, E. Meiering, M. R. Richards, 2012, Journal of the American Chemical Society.

Nonspecific interactions between proteins and charged biomolecules in electrospray ionization mass spectrometry

J. Klassen, N. Soya, E. Kitova, 2010, Journal of the American Society for Mass Spectrometry.

Method for distinguishing specific from nonspecific protein-ligand complexes in nanoelectrospray ionization mass spectrometry.

J. Klassen, John S. Klassen, Weijie Wang, 2006, Analytical chemistry.

FREE ENERGIES OF HYDRATION IN THE GAS PHASE OF THE ANIONS OF SOME OXO ACIDS OF C, N, S, P, CL, AND I

P. Kebarle, J. Klassen, A. Blades, 1995 .

Screening Carbohydrate Libraries for Protein Interactions Using the Direct ESI-MS Assay. Applications to Libraries of Unknown Concentration

J. Klassen, John S. Klassen, Amr El-Hawiet, 2014, Journal of The American Society for Mass Spectrometry.

Quantifying ligand binding to large protein complexes using electrospray ionization mass spectrometry.

C. Szymanski, J. Klassen, D. Arutyunov, 2012, Analytical chemistry.

Quantifying Protein-Fatty Acid Interactions Using Electrospray Ionization Mass Spectrometry

J. Klassen, John S. Klassen, Lan Liu, 2011, Journal of the American Society for Mass Spectrometry.

Retention of bioactive ligand conformation in a gaseous protein-trisaccharide complex.

D. Bundle, J. Klassen, Weijie Wang, 2002, Journal of the American Chemical Society.

Gas phase stabilization of noncovalent protein complexes formed by electrospray ionization.

P. Schnier, J. Klassen, Lan Liu, 2009, Analytical chemistry.

The TPR domain of PgaA is a multifunctional scaffold that binds PNAG and modulates PgaB-dependent polymer processing

R. Pomès, P. Howell, J. Klassen, 2022, PLoS pathogens.

From alpha to beta: identification of amino acids required for the N‐acetyllactosamine‐specific lectin‐like activity of bundlin

G. Armstrong, R. Humphries, J. Strecker, 2009, Molecular microbiology.

Afﬁnities of Shiga toxins 1 and 2 for univalent and oligovalent Pk-trisaccharide analogs measured by electrospray ionization mass spectrometry

G. Armstrong, P. Kitov, G. Mulvey, 2007 .

Stability of the homopentameric b subunits of shiga toxins 1 and 2 in solution and the gas phase as revealed by nanoelectrospray fourier transform ion cyclotron resonance mass spectrometry

P. Marcato, G. Armstrong, G. Mulvey, 2005, Journal of the American Society for Mass Spectrometry.

Quantifying Biomolecular Interactions Using Slow Mixing Mode (SLOMO) Nanoflow ESI-MS

N. Doucet, Y. St-Pierre, L. Mahal, 2022, ACS central science.

Substrate recognition of the membrane-associated sialidase NEU3 requires a hydrophobic aglycone.

D. Bundle, J. Klassen, C. Cairo, 2011, Biochemistry.

Stabilizing protein-ligand complexes in ESI–MS using solution additives: Comparing the effects of amino acids and imidazole

Yuyu Yao, J. Klassen, E. Kitova, 2017 .

Influence of Sulfolane on ESI-MS Measurements of Protein–Ligand Affinities

Yuyu Yao, M. R. Richards, J. Klassen, 2016, Journal of The American Society for Mass Spectrometry.

Comparative study of substrate and product binding to the human ABO(H) blood group glycosyltransferases.

M. Palcic, J. Klassen, John S. Klassen, 2009, Glycobiology.

Identifying nonspecific ligand binding in electrospray ionization mass spectrometry using the reporter molecule method

J. Klassen, John S. Klassen, E. Kitova, 2009, Journal of the American Society for Mass Spectrometry.

Localizing Carbohydrate Binding Sites in Proteins Using Hydrogen/Deuterium Exchange Mass Spectrometry

K. Ng, J. Klassen, Jingjing Zhang, 2015, Journal of The American Society for Mass Spectrometry.

Influence of coulombic repulsion on the dissociation pathways and energetics of multiprotein complexes in the gas phase

I. Sinelnikov, J. Klassen, John S. Klassen, 2007, Journal of the American Society for Mass Spectrometry.

Thermal decomposition of a gaseous multiprotein complex studied by blackbody infrared radiative dissociation. Investigating the origin of the asymmetric dissociation behavior.

J. Klassen, N. Felitsyn, John S. Klassen, 2001, Analytical chemistry.

Elucidating the intermolecular interactions within a desolvated protein-ligand complex. An experimental and computational study.

J. Klassen, Mikyung Seo, John S. Klassen, 2008, Journal of the American Chemical Society.

Equivalency of binding sites in protein-ligand complexes revealed by time-resolved tandem mass spectrometry.

M. Palcic, J. Klassen, E. Kitova, 2007, Journal of the American Chemical Society.

Partitioning of solvent effects and intrinsic interactions in biological recognition.

D. Bundle, J. Klassen, E. Kitova, 2004, Angewandte Chemie.

Arrhenius activation parameters for the loss of neutral nucleobases from deprotonated oligonucleotide anions in the gas phase

J. Klassen, John S. Klassen, Rambod Daneshfar, 2003, Journal of the American Society for Mass Spectrometry.

A versatile soluble siglec scaffold for sensitive and quantitative detection of glycan ligands

J. Julien, Matthew S Macauley, J. Klassen, 2020, Nature Communications.

Evidence that water can reduce the kinetic stability of protein-hydrophobic ligand interactions.

P. Schnier, J. Klassen, Lan Liu, 2010, Journal of the American Chemical Society.

The SARS-CoV-2 spike N-terminal domain engages 9-O-acetylated α2-8-linked sialic acids

R. Sanders, Zeshi Li, G. Boons, 2022, bioRxiv.

Investigating the Influence of Membrane Composition on Protein-Glycolipid Binding Using Nanodiscs and Proxy Ligand Electrospray Ionization Mass Spectrometry.

M. R. Richards, J. Klassen, S. Sipione, 2017, Analytical chemistry.

Thermal decomposition of multiply charged T-rich oligonucleotide anions in the gas phase. Influence of internal solvation on the arrhenius parameters for neutral base loss

J. Klassen, Rambod Daneshfar, 2006, Journal of the American Society for Mass Spectrometry.

Thermal dissociation of streptavidin homotetramer in the gas phase: Subunit loss versus backbone fragmentation

I. Sinelnikov, J. Klassen, John S. Klassen, 2013 .

Human Neuraminidase Isoenzymes Show Variable Activities for 9- O-Acetyl-sialoside Substrates.

M. R. Richards, J. Klassen, C. Cairo, 2018, ACS chemical biology.

An inactive Dispersin B probe for monitoring PNAG production in biofilm formation.

J. Klassen, John S. Klassen, M. Nitz, 2020, ACS chemical biology.

Genetically-encoded fragment-based discovery (GE-FBD) of glycopeptide ligands with differential selectivity for antibodies related to mycobacterial infections.

R. Derda, T. Lowary, J. Klassen, 2018, Organic & biomolecular chemistry.

Bioactive recognition sites may not be energetically preferred in protein-carbohydrate complexes in the gas phase.

J. Klassen, Weijie Wang, E. Kitova, 2003, Journal of the American Chemical Society.

Thermal dissociation of protein-oligosaccharide complexes in the gas phase: mapping the intrinsic intermolecular interactions.

D. Bundle, J. Klassen, E. Kitova, 2002, Journal of the American Chemical Society.

Method for stabilizing protein-ligand complexes in nanoelectrospray ionization mass spectrometry.

J. Klassen, John S. Klassen, E. Kitova, 2007, Analytical chemistry.

Effects of single amino acid substitution on the dissociation of multiply charged multiprotein complexes in the gas phase

G. Armstrong, I. Sinelnikov, J. Klassen, 2007, Journal of the American Society for Mass Spectrometry.

Determination of ion-ligand bond energies and ion fragmentation energies of electrospray-produced ions by collision-induced dissociation threshold measurements

P. Kebarle, J. Klassen, A. Blades, 1995 .

Thermochemistry of Singly and Multiply Charged Ions Produced by Electrospray

P. Kebarle, J. Klassen, A. Blades, 1998 .

Structure and Stability of Carbohydrate–Lipid Interactions. Methylmannose Polysaccharide–Fatty Acid Complexes

D. Tieleman, P. Mayer, M. R. Richards, 2016, Chembiochem : a European journal of chemical biology.

Carbohydrate-lipid interactions: affinities of methylmannose polysaccharides for lipids in aqueous solution.

T. Lowary, J. Klassen, John S. Klassen, 2012, Chemistry.

Affinities of Shiga toxins 1 and 2 for univalent and oligovalent Pk-trisaccharide analogs measured by electrospray ionization mass spectrometry.

G. Armstrong, P. Kitov, G. Mulvey, 2007, Glycobiology.

Discovery of light-responsive ligands through screening of a light-responsive genetically encoded library.

Wadim L. Matochko, R. Derda, P. Kitov, 2014, ACS chemical biology.

Exploiting Bacterial Glycosylation Machineries for the Synthesis of a Lewis Antigen-containing Glycoprotein*

R. Whittal, J. Klassen, M. Feldman, 2011, The Journal of Biological Chemistry.

Structure of the AlgKX modification and secretion complex required for alginate production and biofilm attachment in Pseudomonas aeruginosa

P. Howell, J. Klassen, Qingju Zhang, 2022, Nature communications.

P. aeruginosa SGNH Hydrolase-Like Proteins AlgJ and AlgX Have Similar Topology but Separate and Distinct Roles in Alginate Acetylation

P. Howell, J. Whitney, H. Robinson, 2014, PLoS pathogens.

Ligand specificity of CS-35, a monoclonal antibody that recognizes mycobacterial lipoarabinomannan: a model system for oligofuranoside-protein recognition.

D. Schriemer, C. Rademacher, Hashem A. Taha, 2007, Journal of the American Chemical Society.

Evaluation of a focused virtual library of heterobifunctional ligands for Clostridium difficile toxins.

K. Ng, P. Kitov, D. Bundle, 2015, Organic & biomolecular chemistry.

Nanodiscs and electrospray ionization mass spectrometry: a tool for screening glycolipids against proteins.

J. Klassen, Aneika C. Leney, John S. Klassen, 2014, Analytical chemistry.

Hydration of gas-phase ions formed by electrospray ionization

E. Williams, J. Klassen, Evan R. Williams, 1999, Journal of the American Society for Mass Spectrometry.

Deuterium kinetic isotope effects on the dissociation of a protein-fatty acid complex in the gas phase.

P. Schnier, Alex Brown, J. Klassen, 2012, Journal of the American Chemical Society.

Gangliosides are Ligands for Human Noroviruses

M. Xia, Xi Jiang, J. Klassen, 2014, Journal of the American Chemical Society.

Gas Phase Ion-Molecule Equilibria Involving Ions Produced by Electrospray. Hydration of Doubly Protonated Diamines

P. Kebarle, J. Klassen, A. Blades, 1994 .

Fucosylated Human Milk Oligosaccharide Foraging within the Species Bifidobacterium pseudocatenulatum Is Driven by Glycosyl Hydrolase Content and Specificity

C. Lebrilla, C. Slupsky, S. Wickramasinghe, 2021, Applied and environmental microbiology.

Chirality recognition of the protonated serine dimer and octamer by infrared multiphoton dissociation spectroscopy.

Guochun Yang, Yunjie Xu, J. Klassen, 2013, Physical chemistry chemical physics : PCCP.

Identifying specific small-molecule interactions using electrospray ionization mass spectrometry.

J. Klassen, John S. Klassen, N. Soya, 2011, Analytical chemistry.

Dissociation energies of deoxyribose nucleotide dimer anions measured using blackbody infrared radiative dissociation

P. Schnier, E. Williams, J. Klassen, 1999, Journal of the American Society for Mass Spectrometry.

Affinities of recombinant norovirus P dimers for human blood group antigens.

M. Xia, Xi Jiang, P. Kitov, 2013, Glycobiology.

Detecting Protein–Glycolipid Interactions Using Glycomicelles and CaR-ESI-MS

J. Klassen, John S. Klassen, E. Kitova, 2016, Journal of The American Society for Mass Spectrometry.

The Peptidisc, a simple method for stabilizing membrane proteins in detergent-free solution

Jun Yu Li, J. Beatty, L. Fabre, 2018, eLife.

CRISPR-Click Enables Dual-Gene Editing with Modular Synthetic sgRNAs.

Elena Kitova, Hansol Park, Eiman Osman, 2021, Bioconjugate chemistry.

Bioengineered Norovirus S60 Nanoparticles as a Multifunctional Vaccine Platform.

M. Xia, Xi Jiang, Pengwei Huang, 2018, ACS nano.

Recognition of human milk oligosaccharides by bacterial exotoxins.

J. Klassen, Amr El-Hawiet, E. Kitova, 2015, Glycobiology.

Screening Oligosaccharide Libraries against Lectins Using the Proxy Protein Electrospray Ionization Mass Spectrometry Assay.

J. Klassen, John S. Klassen, E. Kitova, 2016, Analytical chemistry.

Tulane virus recognizes sialic acids as cellular receptors

M. Xia, Xi Jiang, Pengwei Huang, 2015, Scientific Reports.

Mass Spectrometry-based Shotgun Glycomics for Discovery of Natural Ligands of Glycan-binding Proteins.

Matthew S Macauley, J. Klassen, John S. Klassen, 2020, Analytical chemistry.

Blackbody Infrared Radiative Dissociation of Protonated Oligosaccharides

J. Klassen, Elena N Kitova, John S Klassen, 2011, Journal of the American Society for Mass Spectrometry.

Droplet Electrospray Mass Spectrometry

P. Kebarle, N. Dovichi, J. Klassen, 1994 .

Energetics of lipid binding in a hydrophobic protein cavity.

P. Schnier, J. Klassen, Lan Liu, 2012, Journal of the American Chemical Society.

Functional Characterization of Bacterial Oligosaccharyltransferases Involved in O-Linked Protein Glycosylation

J. Klassen, M. Feldman, John S. Klassen, 2007, Journal of bacteriology.

Quantifying Protein-Carbohydrate Interactions Using Liquid Sample Desorption Electrospray Ionization Mass Spectrometry

Yuyu Yao, J. Klassen, John S. Klassen, 2014, Journal of The American Society for Mass Spectrometry.

Measuring Positive Cooperativity Using the Direct ESI-MS Assay. Cholera Toxin B Subunit Homopentamer Binding to GM1 Pentasaccharide

J. Klassen, Elena N Kitova, John S Klassen, 2013, Journal of The American Society for Mass Spectrometry.

Quantifying carbohydrate-protein interactions by electrospray ionization mass spectrometry analysis.

J. Klassen, E. Kitova, Amr M. El-Hawiet, 2012, Biochemistry.

The retaining β-Kdo glycosyltransferase WbbB uses a double-displacement mechanism with an intermediate adduct rearrangement step

C. Whitfield, T. Lowary, J. Klassen, 2022, Nature Communications.

Trapping and characterization of covalent intermediates of mutant retaining glycosyltransferases.

M. Palcic, J. Klassen, John S. Klassen, 2011, Glycobiology.

SARS-CoV-2 Spike N-Terminal Domain Engages 9-O-Acetylated α2–8-Linked Sialic Acids

R. Sanders, Zeshi Li, G. Boons, 2023, ACS chemical biology.

Optogenetic control with a photocleavable protein, PhoCl

Sine Yaganoglu, Wei Zhang, Periklis Pantazis, 2017, Nature Methods.

Structural Basis for Antibody Recognition in the Receptor-binding Domains of Toxins A and B from Clostridium difficile*

J. Tanha, K. Ng, J. Klassen, 2013, The Journal of Biological Chemistry.

Functional properties of the carboxy-terminal host cell-binding domains of the two toxins, TcdA and TcdB, expressed by Clostridium difficile.

G. Armstrong, T. Dingle, M. Palcic, 2008, Glycobiology.

Direct quantification of protein-metal ion affinities by electrospray ionization mass spectrometry.

J. Klassen, E. Kitova, Lu Deng, 2010, Analytical chemistry.

Multipronged ESI-MS Approach for Studying Glycan-Binding Protein Interactions with Glycoproteins.

J. Klassen, John S. Klassen, E. Kitova, 2019, Analytical chemistry.

Mass Spectrometry-Based Shotgun Glycomics Using Labeled Glycan Libraries.

Matthew S Macauley, L. Mahal, P. Kitov, 2022, Analytical chemistry.

Human Milk Oligosaccharide Specificities of Human Galectins. Comparison of Electrospray Ionization Mass Spectrometry and Glycan Microarray Screening Results.

Y. St-Pierre, P. Kitov, J. Klassen, 2017, Analytical chemistry.

Influence of Labeling on the Glycan Affinities and Specificities of Glycan-Binding Proteins. A Case Study Involving a C-terminal Fragment of Human Galectin 3.

R. Derda, P. Kitov, J. Klassen, 2019, Glycobiology.

Evidence for the preservation of specific intermolecular interactions in gaseous protein-oligosaccharide complexes.

D. Bundle, J. Klassen, E. Kitova, 2002, Journal of the American Chemical Society.

Dissociation of Multisubunit Protein–Ligand Complexes in the Gas Phase. Evidence for Ligand Migration

J. Klassen, Yixuan Zhang, John S. Klassen, 2013, Journal of The American Society for Mass Spectrometry.

Electrospray Ionization-Induced Protein Unfolding

Margaret A. Johnson, K. Ng, J. Klassen, 2012, Journal of The American Society for Mass Spectrometry.

Affinities of human histo-blood group antigens for norovirus capsid protein complexes.

Xi Jiang, A. Boraston, J. Klassen, 2015, Glycobiology.

The αTSR Domain of Plasmodium Circumsporozoite Protein Bound Heparan Sulfates and Elicited High Titers of Sporozoite Binding Antibody After Displayed by Nanoparticles

G. Boons, M. Xia, Pengwei Huang, 2023, International journal of nanomedicine.

Delivering Transmembrane Peptide Complexes to the Gas Phase Using Nanodiscs and Electrospray Ionization

M. R. Richards, J. Klassen, John S. Klassen, 2017, Journal of The American Society for Mass Spectrometry.

Identifying Carbohydrate Ligands of a Norovirus P Particle using a Catch and Release Electrospray Ionization Mass Spectrometry Assay

Xi Jiang, J. Klassen, E. Kitova, 2013, Journal of The American Society for Mass Spectrometry.

Crystal structures of human lysosomal EPDR1 reveal homology with the superfamily of bacterial lipoprotein transporters

G. Privé, J. Klassen, C. Cairo, 2019, Communications Biology.

Siglec-6 mediates the uptake of extracellular vesicles through a noncanonical glycolipid binding pocket

R. Derda, Matthew S Macauley, L. Mahal, 2023, Nature communications.

Magnetic field assisted programming of particle shapes and patterns.

Yuyu Yao, M. Serpe, J. Klassen, 2015, Soft matter.

Quantifying the binding stoichiometry and affinity of histo-blood group antigen oligosaccharides for human noroviruses

Xi Jiang, M. R. Richards, J. Klassen, 2018, Glycobiology.

Af fi nities of recombinant norovirus P dimers for human blood group antigens

M. Xia, Xi Jiang, P. Kitov, 2013 .

How Choice of Model Membrane Affects Protein-Glycosphingolipid Interactions: Insights from Native Mass Spectrometry.

M. Overduin, Matthew S Macauley, J. Klassen, 2022, Analytical chemistry.

Probing Hetero-Multivalent Protein-Glycosphingolipid Interactions using Native Mass Spectrometry and Nanodiscs.

P. Kitov, J. Klassen, John S. Klassen, 2020, Analytical chemistry.

Collision-Induced Dissociation Threshold Energies of Protonated Glycine, Glycinamide, and Some Related Small Peptides and Peptide Amino Amides

P. Kebarle, J. Klassen, Paul Kebarle, 1997 .

Energetics of Intermolecular Hydrogen Bonds in a Hydrophobic Protein Cavity

P. Schnier, J. Klassen, Lan Liu, 2014, Journal of The American Society for Mass Spectrometry.

Hydrophobic protein-ligand interactions preserved in the gas phase.

P. Schnier, J. Klassen, John S. Klassen, 2009, Journal of the American Chemical Society.

Genetically encoded fragment-based discovery of glycopeptide ligands for carbohydrate-binding proteins.

Amika Sood, Oksana O Gerlits, Leighton Coates, 2015, Journal of the American Chemical Society.

Native Mass Spectrometry Quantitation of α2-3-Linked N-Acetylneuraminic Acid Content of Prostate-Specific Antigen: An Accurate Liquid Biopsy for Clinically Significant Prostate Cancer.

L. Mahal, J. Klassen, D. Vesprini, 2023, Analytical chemistry.

Absolute Affinities from Quantitative Shotgun Glycomics Using Concentration-Independent (COIN) Native Mass Spectrometry

T. Hobman, Matthew S Macauley, Y. St-Pierre, 2023, ACS central science.

A quantitative, high-throughput method identifies protein–glycan interactions via mass spectrometry

Matthew S Macauley, P. Kitov, J. Klassen, 2019, Communications Biology.

Sliding Window Adduct Removal Method (SWARM) for Enhanced Electrospray Ionization Mass Spectrometry Binding Data

P. Kitov, J. Klassen, John S. Klassen, 2019, Journal of The American Society for Mass Spectrometry.

Crystal structures of human lysosomal EPDR1 reveal homology with the superfamily of bacterial lipoprotein transporters

G. Privé, J. Klassen, C. Cairo, 2019, Communications Biology.

Pseudomonas aeruginosa AlgF is a protein-protein interaction mediator required for acetylation of the alginate exopolysaccharide

P. A. Chong, S. Tammam, P. Howell, 2023, bioRxiv.

Mycobacteriophage cell binding proteins for the capture of mycobacteria

C. Szymanski, S. Evoy, T. Lowary, 2014, Bacteriophage.