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ProteomicsSelective enrichment of N-terminal proline peptides via hydrazide chemistry for proteomics analysis
A challenge for shotgun proteomics is the identification of low abundance proteins, which is always hampered owing to the extreme complexity of protein digests and highly dynamic concentration range of proteins. To reduce the complexity of the peptide mixture, we developed a novel method to selectiv...
ORGANISM(S): Homo Sapiens 
2021-10-18 | PXD029178 |
ProteomicsInvestigating N-terminal shedding of GPR125 in GPR125 overexpressing HEK293T cells using N- and C-terminal enrichment and different cleavage strategies
The study was conducted to elucidate potential cleavage sites of GPR125 which are known to undergo N-terminal shedding through autoproteolysis in a region different to other GRPs. To do these different enzymatic strategies as well as enrichment of both N-terminal and C-terminal peptides, was conduct...
ORGANISM(S): Homo sapiens (Human) 
2026-08-31 | PXD083139 | Pride
Gpr125 Scx C-terminal Lysate Hek293t Enrichment Lc-msms Adra3 N-terminal Medium 
ProteomicsArabidopsis thaliana N-terminal proteome,LC-MS
An extended ChaFRADIC workflow was applied to analyze the N-terminal proteome of Arabidopsis thaliana seedlings. Using iTRAQ protein labeling, a multi-enzyme digestion approach including trypsin, GluC, and subtilisin, a total of 200 μg per enzyme were used, and only 1/3 of each ChaFRADIC-enriched fr...
ORGANISM(S): Arabidopsis thaliana (Mouse-ear cress) 
2015-07-21 | PXD001855 | Pride
Arabidopsis thaliana Chafradic Itraq reagent Enrichment of n-terminal peptide 
ProteomicsAn OMICS perspective on N-terminal Methionine Excision
Excision of the N-terminal initiator methionine (iMet) from nascent peptide chains is an essential and omnipresent protein modification carried out by Methionine aminopetidases (MetAPs) and accounting for a major source of N-terminal proteoform diversity. While MetAP2 is known to be implicated in pr...
ORGANISM(S): Homo sapiens (Human) 
2018-01-10 | PXD006638 | Pride
Metap Metap1 Shotgun N-terminal proteomics Imet excision 
ProteomicsMetabolic regulation of N-terminal acetylation in yeast
N-terminal (Nt) acetylation, catalyzed by N-terminal acetyltransferases (NATs), has emerged as an important co-translational modification in eukaryotes, and involves the transfer of the acetyl moiety from acetyl-CoA (Ac-CoA) to the α-amino group of a nascent polypeptide. Here, we report the first gl...
ORGANISM(S): Saccharomyces cerevisiae (Baker's yeast) 
2018-09-07 | PXD004326 | Pride
Metabolism Acetyl coenzyme a Saccharomyces cerevisiae N-terminal acetylation N-terminomics 
ProteomicsN-terminomics Proteogenomics - N-terminal proteomics assisted profiling of the unexplored translation initiation landscape in Arabidopsis thaliana
Proteogenomics is a research field where proteome data is used to improve gene annotation. To achieve this, customized protein databases are constructed to match proteomic data. We perform a proteogenomic analysis using N-terminal COFRADIC data in order to identify novel translational initiation sta...
ORGANISM(S): Arabidopsis thaliana (Mouse-ear cress) 
2017-04-24 | PXD004896 | Pride
Arabidopsis thaliana Proteogenomics N-terminal cofradic Ribosome profiling Positional proteomics Ribo-seq 
ProteomicsSW480 N-terminal peptide analysis
N-terminal peptide analysis of SW480 cell line for Nt-formylation.
ORGANISM(S): Homo sapiens (Human) 
2023-07-20 | PXD039053 | Pride
Sw480 N-terminome Human Inrich 
ProteomicsDiscovering the N-terminal Methylome by the Repurposing of Proteomic Datasets
Protein ⍺-N-methylation is a cryptic and relatively unexplored post-translational modification involving the covalent addition of methyl groups to the free a-amino group at protein N-termini. To systematically explore the extent of ⍺-N-terminal methylation in yeast and humans, we utilized a repurpos...
ORGANISM(S): Saccharomyces cerevisiae (Baker's yeast) 
2021-05-26 | PXD022833 | Pride
Proteomics Post-translational modification Repurposing ⍺-n-terminal methylation 
ProteomicstipNrich, a tip-based N-terminal proteome enrichment method
Protein N-termini provide valuable information such as half-life of protein, but one of hurdles to study N-terminome is that it requires large amount of sample, but this requirement might be problematic for analyzing the limited samples such as low number of cells of clinical biopsies. In this regar...
ORGANISM(S): Bos taurus (Bovine) Mus musculus (Mouse) Escherichia coli Bacillus subtilis 
2022-12-05 | PXD027961 | Pride
Human plasma Recombinant single proteins Protein mixture Lc-ms/ms 
ProteomicsN-terminal proteome analysis on breast cell line
N-terminal peptide enrichment for ATE1 knockdown mutant breast cell line. Immortalized human breast cell line HMEC, and breast cancer cell line T47D were used.
ORGANISM(S): Homo sapiens (Human) 
2025-09-15 | PXD035443 | Pride
Human Breast N-terminome Cancer 
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