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Supplemental Files accompanying manuscript “PEPPI-MS: polyacrylamide gel-based prefractionation for analysis of intact proteoforms and protein complexes by mass spectrometry”.
ORGANISM(S): Escherichia Coli Str. K-12 Substr. Mg1655 (ncbitaxon:511145) 
2020-04-08 | MSV000085258 | MassIVE
We developed a novel sample preparation method by combining Passively Eluting Proteins from Polyacrylamide gels as Intact species for MS (PEPPI-MS) fractionation with Anion-Exchange disc-assisted Sequential sample Preparation (AnExSP) purification, and evaluated its performance in TDP analysis by co...
ORGANISM(S): Homo sapiens (Human) 
2022-09-26 | PXD034353 | Pride
In this study, we developed a complete, robust, and simple sample preparation workflow named PEPPI-SP3 for top-down proteomics by combining PEPPI-MS with the magnetic bead-based protein purification approach used in SP3 (single-pot, solid-phase-enhanced sample preparation), now one of the standard s...
ORGANISM(S): Homo Sapiens (human) 
Precise prefractionation of proteome samples is a potent method for realizing in depth analysis in top-down proteomics. PEPPI MS (Passively Eluting Proteins from Polyacrylamide gels as Intact species for MS), a gel-based sample fractionation method, enables high-resolution proteome fractionation bas...
ORGANISM(S): Homo Sapiens (ncbitaxon:9606) 
Top-down proteomics of human serum is hindered by extreme dynamic range and cumbersome prefractionation. Here we establish a fully solution-based protein precipitation–solid-phase extraction (PP–SPE) workflow for deep, low-molecular-weight-biased proteoform profiling. Using systematically optimized ...
ORGANISM(S): Homo Sapiens 
Middle-down proteomics is an analytical approach whereby protein samples are digested with proteases such as Glu-C to generate large peptides (>3 kDa) that are then analyzed by mass spectrometry. This method is useful for characterizing high-molecular-weight proteins that are difficult to detect by ...
ORGANISM(S): Homo sapiens (Human) 
2024-11-20 | PXD041358 | Pride
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