2.10. Protein identification using mass spectrometry (MS)
Protein spot excision, tryptic digestion, and identification using
tandem mass spectrometry were performed according to Joseph
et al. (2012). The spots of interest were excised from the gel using
pipette tips, washed two times for 30-min with 50 mmol/L
NH4HCO3/500 ml/L CH3CN for destaining, vortexed, and dried in a