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Structural effect of Lys120 acetylation. Superposition of the crystal structures of AcK120DBD (gray; PDB ID code 2YBG, this work) and nonacetylated DBD (blue; PDB ID code 2OCJ) in their DNA-free form shows that acetylation of Lys120 has no significant effect on the conformation of the L1 loop in the unbound DBD. Both structures are shown as cartoon representation, with the position of residue 120 highlighted in red. The figure was generated using PyMOL (www.pymol.org).
