5-hmC in the brain is abundant in synaptic genes and shows differences at the exon-intron boundary. - Khare T; Pai S; Koncevicius K; Pal M; Kriukiene E; Liutkeviciute Z; Irimia M; Jia P; Ptak C; Xia M; Tice R; Tochigi M; et al. (Nature structural & molecular biology, 2012)