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ProteomicsExtending the coverage of Lys-C/trypsin-based bottom-up proteomics using cysteine S-aminoethylation
In this study, S-aminoethylation of Cys (AE-Cys) was carried out with 2-bromoethylamine to form pseudo-Lys, which was then digested with Lys-C or trypsin to improve proteome coverage in bottom-up proteomics. A model study with bovine serum albumin showed that the C-terminal side of Cys was successfu...
ORGANISM(S): Homo Sapiens (human) Bos Taurus 
2023-09-27 | PXD045433 | JPOST Repository
ProteomicsAll under acidic bottom-up proteomics using protease type XIII from Aspergillus Saitoi
Bottom-up proteomics is a powerful technique for comprehensive analysis of proteins by cleaving them into peptides with proteases and analysing them by liquid chromatography/tandem mass spectrometry. Trypsin is the gold standard protease for bottom-up proteomics, however its cleavage specificity lim...
ORGANISM(S): Homo Sapiens (human) 
2025-11-28 | PXD064095 | JPOST Repository
ProteomicsTargeted Quantitation of Host Cell Proteins by Capillary LC/IMS/MS/MS in Combination with Rapid Digestion on Immobilized Trypsin Column Under Native Conditions
Host cell protein (HCP) impurities are considered a critical quality attribute of biopharmaceuticals because of their potential to compromise safety and efficacy, and LC/MS-based analytical methods have been developed to identify and quantify individual proteins instead of employing enzyme-linked im...
ORGANISM(S): Cricetulus Griseus 
2025-05-02 | PXD053135 | JPOST Repository
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