This gene encodes a member of the WNK family of serine-threonine protein kinases. The kinase is part of the tight junction complex in kidney cells, and regulates the balance between NaCl reabsorption and K(+) secretion. The kinase regulates the activities of several types of ion channels, cotransporters, and exchangers involved in electrolyte flux in epithelial cells. Mutations in this gene result in pseudohypoaldosteronism type IIB.
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Protein Aliases: Protein kinase lysine-deficient 4; Protein kinase with no lysine 4; protein kinase, lysine deficient 4; protein kinase, lysine-deficient 4; RP23-281C18.8; Serine/threonine-protein kinase WNK4; WNK4 Ser/Thr kinase
Gene Aliases: 2010002J11Rik; Ac2-059; PHA2B; PRKWNK4; WNK4
Molecular Function: non-receptor serine/threonine protein kinase