POU5F1 and psoriasis: According to the analysis of genotype data in this study, rs130065 (r2 = 0.93, D′ = 0.99) and rs1265181 (r2 = 0.99, D′ = 1) are highly correlated with rs3130457, a SNP in POU5F1 that is completely tagged to the classical HLA-C*0602 allele that has been consistently associated with psoriasis in multiple populations.