Comment on

• Identification of 67 histone marks and histone lysine crotonylation as a new type of histone modification.

  Tan M, Luo H, Lee S, Jin F, Yang JS, Montellier E, Buchou T, Cheng Z, Rousseaux S, Rajagopal N, Lu Z, Ye Z, Zhu Q, Wysocka J, Ye Y, Khochbin S, Ren B, Zhao Y. Tan M, et al. Cell. 2011 Sep 16;146(6):1016-28. doi: 10.1016/j.cell.2011.08.008. Cell. 2011. PMID: 21925322 Free PMC article.