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. 2009 Jul 31;9:98. doi: 10.1186/1471-2229-9-98

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Copyright © 2009 Wu et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Identification of acetylation sites in histone H4. A. MALDI-TOF mass spectrum showing the acetylation (m/z 658.37) at Lysine 8 of histone H4. B and C. MALDI-TOF mass spectrum showing the acetylation (m/z 729.42 and 1456.92 respectively) at Lysine 12 of histone H4. Ac: acetylation.