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N-terminal formylation of methionine is a unique protein modification found in prokaryotes, as well as in the mitochondria, chloroplasts, and even the cytosol of eukaryotic cells. Recent studies have revealed that human cells are capable of producing cytosolic proteins bearing N-terminal formylmethi...
ORGANISM(S): Homo Sapiens (human) 
Within a cell, protein-bound methionines can be oxidized by reactive oxygen species (ROS) or monooxygenases, and subsequently reduced by methionine sulfoxide reductases (Msrs). Methionine oxidation can result in structural damage or be the basis of functional regulation of enzymes. In addition to pa...
ORGANISM(S): Escherichia coli 
2024-11-06 | PXD048776 | Pride
The peptide deformylase inhibitor actinonin was used to treat Bacillus subtilis 168, and the proteome was analyzed using UPLC-MSE. The goal was to identify proteins that retain N-terminal formylation of the initial methionine after actinonin treatment that could be used to establish a microplate ass...
ORGANISM(S): Bacillus subtilis subsp. subtilis str. 168 
2026-02-11 | PXD064376 | Pride
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