[consumersearch.com](https://www.consumersearch.com/home-garden/homemade-mouse-poison-antidotes-pet-accidentally-ingests?ad=dirN&qo=serpIndex&o=740007&origq=lysine+ingestion)Unbound peptides are removed via washing, and the captured PTM-containing peptides are eluted with dilute acid.
Among them we identified histone H3 lysine 27 acetylation (H3K27Ac) as a modification upregulated in CRC