ERAP2 and inflammatory bowel disease: Among IBD-associated GWAS SNPs, variants were associated with differences in the expression of endoplasmic reticulum aminopeptidase 2 (ERAP2) and scm-like with four MBT domains 1 (SFMBT1) (Figure 2A; Table 2), similar to results in an eQTL mapping study of the human ileum [49].