WNK4 and Gordon syndrome: Furthermore, for four pseudohypoaldosteronism type II (PHAII; Gordon's syndrome) pedigrees characterized by Mendelian inheritance of the disease, four different mutations, possibly leading to increased salt reabsorption and intravascular volume were found in PRKWNK4 (WNK lysine deficient protein kinase 4) at 17q21-22 [5].