PCDHGA4 and obesity due to melanocortin 4 receptor deficiency: Along with this, 366 CpG islands were identified for 326 genes that were related to obesity, among which the gene PCDHGA4 (protocadherin γ subfamily A, 4) demonstrated the highest number of target IDs—52 target IDs that were differentially methylated between NW and OW/OB children.