Fig. 1From: Association of Ala589Ser polymorphism of WNK4 gene with essential hypertension in a high-risk Chinese populationDetection of Ala589Ser polymorphism of WNK4 gene using PCR-RFLP. PCR products were digested with AlwNI. Wild-type (A589) was cut into 180 and 112 bp, whereas variant type (S589) was uncutBack to article page