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. Author manuscript; available in PMC: 2016 Jan 25.
Published in final edited form as: Nat Protoc. 2013 Sep 19;8(10):1950–1960. doi: 10.1038/nprot.2013.120

Figure 1.

Figure 1

Enrichment of K-ε-GG peptides using anti-K-ε-GG antibody. After the anti-K-ε-GG antibody has been chemically cross-linked to a Protein A beads using DMP, each of the eight bRP fractions are individually enriched for K-ε-GG peptides using the anti-K-ε-GG antibody which recognizes the di-glycyl remnant remaining on modified lysine residues following trypsin digestion.