IL2RA and type 1 diabetes mellitus: In the case of SNP group 1 of the IL2RA type 1 diabetes locus [1], three of the SNPs differentially bind common transcription factors (rs12722508*A, rs12722522*C and rs41295061*A) implying that there may be more than one SNP within SNP group 1 affecting IL2RA transcription.