Top-down proteomics

DS Roberts, JA Loo, YO Tsybin, X Liu, S Wu… - Nature Reviews …, 2024 - nature.com
Proteoforms, which arise from post-translational modifications, genetic polymorphisms and
RNA splice variants, play a pivotal role as drivers in biology. Understanding proteoforms is …

Online mixed-bed ion exchange chromatography for native top-down proteomics of complex mixtures

MS Fischer, HT Rogers, EA Chapman… - Journal of Proteome …, 2024 - ACS Publications
Native top-down mass spectrometry (nTDMS) allows characterization of protein structure
and noncovalent interactions with simultaneous sequence mapping and proteoform …

Biofunctionalized dissolvable hydrogel microbeads enable efficient characterization of native protein complexes

X Shao, M Tian, J Yin, H Duan, Y Tian, H Wang… - Nature …, 2024 - nature.com
The characterization of protein complex is vital for unraveling biological mechanisms in
various life processes. Despite advancements in biophysical tools, the capture of non …

Native Top-Down Mass Spectrometry for Characterizing Sarcomeric Proteins Directly from Cardiac Tissue Lysate

EA Chapman, BH Li, B Krichel, HJ Chan… - Journal of the …, 2024 - ACS Publications
Native top-down mass spectrometry (nTDMS) has emerged as a powerful structural biology
tool that can localize post-translational modifications (PTMs), explore ligand-binding …

Conformational and Structural Characterization of Knotted Proteins

K Jeanne Dit Fouque, JC Molano-Arevalo, F Leng… - Biochemistry, 2024 - ACS Publications
Knotted proteins are fascinating natural biomolecules whose backbones entangle
themselves in a knot. Their particular knotted configurations provide them with a wide range …

In-depth Characterization of S-Glutathionylation in Ventricular Myosin Light Chain 1 Across Species by Top-Down Proteomics

EA Chapman, HT Rogers, Z Gao, HJ Chan, F Alvarado… - bioRxiv, 2024 - biorxiv.org
S-glutathionylation (SSG) is increasingly recognized as a critical signaling mechanism in the
heart, yet SSG modifications in cardiac sarcomeric proteins remain understudied. Here we …