MIER1 and coronary artery disorder: Since most of studies have focused on ER1 and few papers have evaluated the role of ER2 in atherosclerotic diseases, in this study, we aimed to evaluate the association between two major SNPs of ER2 gene containing rs4986938 (AluI) and rs1256049 (RsaI) and the severity and the complexity of CAD expressed as SS.