Chromatography columns, pipet tips, reagents, and kits to fractionate, isolate, purify, clean up and recover total or post-translational modification (PTM)-specific classes of processed peptide fragments for proteomics analysis by mass spectrometry (MS).
For optimizing purification of histidine-tagged proteins using Immobilized Metal Affinity Chromatography (IMAC) when Ni2+ is not the best choice of metal ion