Comment on

• Distinct and predictive chromatin signatures of transcriptional promoters and enhancers in the human genome.

  Heintzman ND, Stuart RK, Hon G, Fu Y, Ching CW, Hawkins RD, Barrera LO, Van Calcar S, Qu C, Ching KA, Wang W, Weng Z, Green RD, Crawford GE, Ren B. Heintzman ND, et al. Nat Genet. 2007 Mar;39(3):311-8. doi: 10.1038/ng1966. Epub 2007 Feb 4. Nat Genet. 2007. PMID: 17277777