In this study, we developed a rapid trypsin digest kit that, at elevated temperatures, yielded reliable, reproducible results in less than 2 hours on a wide variety of substrates for mass spectrometry.
Explore various strategies for deglycosylating N-linked glycans involving PNGase F, PNGase A (Glycopeptidase A), and even native and sequential deglycosylation with endoglycosidases like Endoglycosidase H, Endoglycosidase F, and exoglycosidases.
The use of PNGase Fast denaturing buffer and enzyme yielded results similar to a conventional 20-hour protocol with overnight digest while reducing workflow time to about 1 hour with a 15-minute digest.
O-Linked glycans are usually attached to the peptide chain through serine or threonine residues. O-Linked glycosylation is a true post-translational event and does not require a consensus sequence. The most common type of O-linked glycans contain an initial GalNAc residue
Absolute Quantification (Protein-AQUA™™) is a targeted quantitative proteomics technique that exhibits robust efficacy and is being increasingly utilized for a wide variety of quantitative proteomics studies.
Comparative analysis of different columns in resolving medium-sized fragments of monoclonal antibodies, after digestion using dithiothreitol (DTT) or IdeS (a protease), by Reversed-Phase Chromatography.
Step-by-step workflows for the intact mass analysis, peptide mapping, and N-glycan analysis of the monoclonal antibody― adalimumab, for an accurate characterization of the critical quality attributes (CQAs) to ensure drug safety and efficacy. Read more.