Table 1.

hnRNP K protein spots (no. 1–4 in control gel, no. 1 and 3 in 4 h recovery gel) in silver-stained gels (Fig. 2A) were cut out of the gel and analyzed by MS and PTM analysis was performed. Identified modifications were listed with their scores.

N.D, modified peptides were not detected; amino acids in red, modified residues; C, carbamidomethylation; M, oxidation.