La yodoacetamida actúa como alquilante de los restos de cisteína en la secuenciación peptídica. Es un inhibidor irreversible de enzimas que tienen cisteína en el sitio activo. Reacciona mucho más despacio con los restos de histidina, pero esta actividad es responsable de la inhibición de las ribonucleasas.
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Cysteines (Cys) made acidic by the protein environment are generally sensitive to pro-oxidant molecules. Glutathionylation is a post-translational modification that can occur by spontaneous reaction of reduced glutathione (GSH) with oxidized Cys as sulfenic acids (-SOH). The reverse reaction (deglutathionylation)
Large oncosomes (LO) are atypically large (1-10 µm diameter) cancer-derived extracellular vesicles (EVs), originating from the shedding of membrane blebs and associated with advanced disease. We report that 25% of the proteins, identified by a quantitative proteomics analysis, are differentially
Bypass of foregut secreted factors promoting insulin resistance is hypothesized to be one of the mechanisms by which resolution of type 2 diabetes (T2D) follows roux-en-y gastric bypass (GBP) surgery. To identify insulin resistance-associated proteins and metabolites which decrease more
Diagnosis of muscular dystrophies is currently based on invasive methods requiring muscle biopsies or blood tests. The aim of the present study was to identify urinary biomarkers as a diagnostic tool for muscular dystrophies. Here, the urinary proteomes of Duchenne
Arthritis research & therapy, 17, 9-9 (2015-01-21)
Smoking is a well-established risk factor for rheumatoid arthritis (RA), and it has been proposed that smoking-induced citrullination renders autoantigens immunogenic. To investigate this mechanism, we examined human lung tissue from 40 subjects with defined smoking status, with or without
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