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MetabolomicsProtein-metabolite interactomics of carbohydrate metabolism reveal regulation of lactate dehydrogenase

Metabolic networks are interconnected and influence diverse cellular processes. The protein-metabolite interactions that mediate these networks are frequently low affinity and challenging to systematically discover. We developed mass spectrometry integrated with equilibrium dialysis for the disco...

2023-08-07 | MTBLS7237 | MetaboLights
ProteomicsGlobal quantification of intact proteins via chemical isotope labeling and mass spectrometry
Although thousands of intact proteins can be feasibly identified in recent years, global quantification of intact proteins is still challenging. Herein, we develop a high-throughput strategy for global intact protein quantification based on chemical isotope labeling. The isotope incorporation effici...
ORGANISM(S): Saccharomyces cerevisiae (Baker's yeast) 
2019-04-30 | PXD012526 | Pride
Intact protein quantification Ptop Chemical isotope labeling Highest isotopic peak Mass spectrometry 
ProteomicsGlycosylation Profiling of Neoplastic Biomarker Alpha Fetoprotein Through Intact Mass Protein Analysis
Glycosylation is an important post-translational modification (PTM) mechanism of proteins, that modulates protein function. Measurement of clinically adopted cancer protein biomarkers is commonly performed using affinity-based techniques, which often suffer from poor specificity and inability to dis...
ORGANISM(S): Homo sapiens (Human) 
2023-01-11 | PXD038602 | Pride
Intact proteins Hepatocellular carcinoma 
ProteomicsHuman serum N-linked intact glycopeptides LC-MS/MS
Large-scale identification of N-linked intact glycopeptides by liquid chromatography coupled tandem mass spectrometry (LC-MS/MS) in human serum is challenging due to the wide dynamic range of serum protein abundances, the lack of a complete serum N-Glycan database and the existence of non-specifical...
ORGANISM(S): Armoracia rusticana Homo sapiens (Human) Gallus gallus (Chicken) 
2020-04-21 | PXD015622 | Pride
N-linked intact glycopeptide Co-elution Spectral library search Human serum Isotopic distribution 
UnknownTop-Down and Intact Protein Mass Spectrometry Data Visualization for Proteoform Analysis Using VisioProt-MS.
Not available
S-EPMC6698994 | biostudies-literature
ProteomicsWavelength Dependence of Intact Protein Extraction Using Femtosecond Laser Ablation
Raw files for the paper named: Wavelength Dependence of Intact Protein Extraction Using Femtosecond Laser Ablation
ORGANISM(S): Mastigocladopsis Repens Rhodopsin Equine Myoglobin Lysozyme From Chicken Egg White 
2025-03-04 | MSV000097234 | MassIVE
ProteomicsOptimization of Higher-Energy Collisional Dissociation Fragmentation Energies for Intact Protein-level Tandem Mass Tag Labeling
Isobaric chemical tag labeling (e.g., iTRAQ and TMT) is a commonly used approach in quantitative proteomics research. Typically, peptides are covalently labeled with isobaric chemical tags, and quantification is enabled through detection of low-mass reporter ions generated after MS2 fragmentation. R...
ORGANISM(S): Homo sapiens (Human) 
2023-01-17 | PXD037491 | Pride
Protein-level tmt labeling  top-down proteomics  quantitative proteomics  hcd 
TranscriptomicsSuv39h-dependent H3K9me3 represses intact retrotransposons in mouse embryonic stem cells
Heterochromatin is required to restrict aberrant expression of retrotransposons, but it remains poorly defined due to the underlying repeat-rich sequences. We dissected Suv39h-dependent histone H3 lysine 9 trimethylation (H3K9me3) by genome-wide ChIP-sequencing in mouse embryonic stem cells (ESCs). ...
ORGANISM(S): Mus musculus 
2014-06-26 | E-GEOD-57092 | biostudies-arrayexpress
ProteomicsGlycosylation Profiling of Neoplastic Biomarker Alpha Fetoprotein Through Intact Mass Protein Analysis
Alpha fetoprotein (AFP) is a circulating cancer biomarker implicated in multiple neoplastic malignancies, including hepatocellular carcinoma (HCC). AFP glycoforms with core fucosylation structure (AFP-L3) are used clinically as a biomarker, to predict risk of developing HCC and to monitor its recur...
ORGANISM(S): Homo sapiens (Human) 
2023-01-11 | PXD038606 | Pride
Afp-l3 proteforms Core fucose Fucosylation High-resolution mass spectrometry Intact protein analysis 
ProteomicsIntact Protein extraction using Liquid extraction surface analysis (LESA)
Development of a new technique of extraction of intact protein on localized region of tissue section using liquide extraction surface analysis.
ORGANISM(S): Rattus norvegicus (Rat) 
2016-03-14 | PXD001925 | Pride
Lesa Intact proteins extraction 
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