Overview of oxytocin receptor (OXTR) and methylation sites. Note. Gene structure of OXTR (chr3: 8792095–8811300; hg19). MT2 (chr3: 8761543–8761138; Kusui et al., 2001). The location of 27 CpG sites in this study are indicated below. Assayed CpG sites correspond to the following genomic positions: chr3: 8811028 (CpG1), chr3: 8811010/8811005 (CpG2,3), chr3: 8810999 (CpG4), chr3: 8810995/8810993 (CpG5,6), chr3: 8810981 (CpG7), chr3: 8810974/8810971 (CpG8,9), chr3: 8810958 (CpG10), 8810936/8810930 (CpG11,12), chr3: 8810924 (CpG13), chr3: 8810890 (CpG14), chr3: 8810875 (CpG15), chr3: 8810863 (CpG16), chr3: 8810856 (CpG17), chr3: 8810833 (CpG18), chr3: 8810808/8810798 (CpG19,20), chr3: 8810775 (CpG21), chr3: 8810734 (CpG22), chr3: 8810709 (CpG23), chr3: 8810700 (CpG24), chr3: 8810682/8810680 (CpG25,26), chr3: 8810648 (CpG27)