Fig. 2. Nε-acetylation of lysine residues and AGE formation occur in α-crystallin.
Water-soluble protein from aged donor lenses (70, 73 and 86 year old) was immunoprecipitated (IP) with either a Nε-acetyllysine antibody (A) or a CML antibody (B) or an argpyrimidine antibody (C) and immunoblotted (IB) with αA- and αB-crystallin polyclonal antibodies.