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One or more keywords matched the following items that are connected to
Spectrometry, Mass, Electrospray Ionization
Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
Tandem Mass Spectrometry
Rapid screening for S-adenosylmethionine-dependent methylation products by enzyme-transferred isotope patterns analysis.
Structure elucidation of highly polar basic degradants by on-line hydrogen/deuterium exchange hydrophilic interaction chromatography coupled to tandem mass spectrometry.
Discovery of undefined protein cross-linking chemistry: a comprehensive methodology utilizing 18O-labeling and mass spectrometry.
Desulfurization of cysteine-containing peptides resulting from sample preparation for protein characterization by mass spectrometry.
Identifying Unknown Enzyme-Substrate Pairs from the Cellular Milieu with Native Mass Spectrometry.
Detection and quantitation of succinimide in intact protein via hydrazine trapping and chemical derivatization.
Detection of Alkynes via Click Chemistry with a Brominated Coumarin Azide by Simultaneous Fluorescence and Isotopic Signatures in Mass Spectrometry.
Discovery and characterization of a photo-oxidative histidine-histidine cross-link in IgG1 antibody utilizing ¹8O-labeling and mass spectrometry.
Integrated proteomic analysis of major isoaspartyl-containing proteins in the urine of wild type and protein L-isoaspartate O-methyltransferase-deficient mice.
Analysis of isoaspartic Acid by selective proteolysis with Asp-N and electron transfer dissociation mass spectrometry.
Chemical methods for the detection of protein N-homocysteinylation via selective reactions with aldehydes.
Chemo-enzymatic detection of protein isoaspartate using protein isoaspartate methyltransferase and hydrazine trapping.
Mildly acidic conditions eliminate deamidation artifact during proteolysis: digestion with endoprotease Glu-C at pH 4.5.
Arginine modifications by methylglyoxal: discovery in a recombinant monoclonal antibody and contribution to acidic species.
Protein isoaspartate methyltransferase-mediated 18O-labeling of isoaspartic acid for mass spectrometry analysis.
Discovery of a chemical modification by citric acid in a recombinant monoclonal antibody.
Protein Modification: Isoaspartic Acid