<p><b>Copyright information:</b></p><p>Taken from "Solution structure of the second bromodomain of Brd2 and its specific interaction with acetylated histone tails"</p><p>http://www.biomedcentral.com/1472-6807/7/57</p><p>BMC Structural Biology 2007;7():57-57.</p><p>Published online 12 Sep 2007</p><p>PMCID:PMC2065866.</p><p></p>the unacetylated peptide H4-U. Combined chemical shift perturbation was calculated using the equation, , and R = [peptide]/[bromodomain]