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MetabolomicsIntegrating two chromatographies in a co-fractionation mass spectrometry approach improved protein-metabolite interactions (PMIs) mapping capabilities and revealed novel protein-ligand pairings in Escherichia coli.
The protein-metabolite interactome remains understudied. We previously developed a co-fractionation mass-spectrometry-based approach called PROMIS to address this gap. PROMIS relies on size separation chromatography of protein-metabolite complexes from lysates, followed by proteomics and metabolomic...
2025-04-25 | MTBLS9098 | MetaboLights
ProteomicsIn-depth proteome analysis of human ascites using high-pH peptide fractionation
For in-depth profiling, ascites from patients with benign disease or gastric cancer were subjected to high-resolution mass spectromtery analysis. By high-pH peptide fractionation, 3481 protein groups were identified in 72 LC-MS/MS runs.
ORGANISM(S): Homo sapiens (Human) 
2018-04-16 | PXD003351 | Pride
Ascites High-ph peptide fractionation Gastric cancer 
Proteomicsmouse microglia using High-pH fractionation and LC-MS/MS
To build a reference proteome, we established a BV-2 microglial proteome to a depth of 5494 unique protein groups using a novel strategy that combined FASP, StageTip-based high pH fractionation, and high-resolution mass spectrometry quickly and cost-efficiently. By bioinformatics analysis, the BV-2 ...
ORGANISM(S): Mus musculus (Mouse) 
2013-09-11 | PXD000168 | Pride
Mouse High-ph fractionation Microglia Lc-ms/ms 
MetabolomicsMulti-omics analysis of differential expression profiles in Vibrio natriegens strain VCOD-2 under optimal and high-salinity conditions

This study employs integrated multi-omics analysis to systematically investigate the proteome and metabolome of marine bacterium Vibrio natriegens strain VCOD-2 (ATCC 14048) under optimal salinity (3% NaCl) and high-salinity stress (8% NaCl) conditions, aiming to reveal the molecular me...

2026-03-18 | MTBLS14070 | MetaboLights
ProteomicsMining Missing Membrane Proteins by High-pH Reverse Phase StageTip Fractionation and Validation by Multiple Reaction Monitoring Mass Spectrometry
Several significant efforts have been made in the past decade to map all human proteome. However, more than 3000 proteins are grouped as missing having no evidence of translation. Membrane protein annotation of the current missing proteins list showed 34%to be missing membrane proteins, which are ch...
ORGANISM(S): Homo sapiens (Human) 
2015-07-27 | PXD002224 | Pride
High-ph reverse phase Stagetip Missing proteins Lung cancer 
ProteomicsImproved detection of tryptic immunoglobulin variable region peptides by chromatographic and gas-phase fractionation techniques.
Circulating antibodies provide valuable information about an individual’s immune status and constitute a significant portion of the human plasma proteome. Proteomic analysis of plasma is challenged by the large dynamic concentration range of plasma proteins, including antibodies. Peptide fractionati...
ORGANISM(S): Homo sapiens (Human) 
2024-08-09 | PXD046072 | Pride
Peptide fractionation Antibody Mass spectrometry Immune repertoire Multi-dimensional chromatography Ion-mobility Bottom-up proteomics De novo sequencing Plasma proteomics 
ProteomicsPre-fractionation extends, but creates a bias in the detectable HLA class Ι ligandome
HLA class Ι molecules on the cell surface enable CD8+ T lymphocytes to recognize cellular alterations in the form of antigens, including mutations, protein copy number alterations, aberrant post-translational modifications or pathogen proteins. At any given moment, tens of thousands of different sel...
ORGANISM(S): Homo sapiens (Human) 
2019-02-25 | PXD011257 | Pride
Hla class ι ligandome  hla class ι peptide ligands  high ph reversed phase  strong cation exchange  pre-fractionation 
ProteomicsProteomic profiling of Serratia marcescens (ATCC13880) by high-resolution mass spectrometry
Serratia marcescens (S. marcescens), an opportunistic human pathogen, has been identified as a major cause of nosocomial infection and outbreaks. The purpose of this analysis is to examine the S. marcescens (ATCC 13880) protein profile using a high resolution mass spectrometry (MS). S. marcescens AT...
ORGANISM(S): Serratia marcescens subsp. marcescens ATCC 13880 
2020-06-17 | PXD011776 | Pride
Antibiotic resistance Gram negative bacteria Serratia Lc-ms/ms Orbitrap fusion 
UnknownPreparative supercritical fluid chromatography for lipid class fractionation-a novel strategy in high-resolution mass spectrometry based lipidomics.
Not available
S-EPMC7118041 | biostudies-literature
ProteomicsAnalytical guidelines for co-fractionation mass spectrometry obtained through global profiling of gold standard Saccharomyces cerevisiae protein complexes
Co-fractionation mass spectrometry (CF-MS) is a technique with potential to characterise endogenous and unmanipulated protein complexes on an unprecedented scale. However this potential has been offset by a lack of guidelines for best-practice CF-MS data collection and analysis. To obtain such guide...
ORGANISM(S): Saccharomyces cerevisiae (Baker's yeast) 
2020-08-24 | PXD019513 | Pride
Protein correlation profiling Co-fractionation mass spectrometry Protein complexes Reference complex profiling Protein-protein interactions 
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