Entrez Summary: This gene encodes a kidney-specific sodium-potassium-chloride cotransporter that is expressed on the luminal membrane of renal epithelial cells of the thick ascending limb of Henle's loop and the macula densa. It plays a key role in concentrating urine and accounts for most of the NaCl resorption. It is sensitive to such diuretics as furosemide and bumetanide. Some Bartter-like syndromes result from defects in this gene. Alternative splicing results in multiple transcript variants encoding distinct isoforms. Additional splice variants have been described but their biological validity in humans has not been experimentally proven.[provided by RefSeq, May 2010].
UniProt Summary: Electrically silent transporter system. Mediates sodium and chloride reabsorption. Plays a vital role in the regulation of ionic balance and cell volume.
Pfam DomainsGO Terms
Pfam Domains
AA permease N
AA permease
GO Terms
sodium:chloride symporter activity
sodium:potassium:chloride symporter activity
sodium ion transmembrane transporter activity
potassium:chloride symporter activity
chloride ion homeostasis
monovalent inorganic anion homeostasis
cell volume homeostasis
potassium ion homeostasis
sodium ion homeostasis
potassium ion import across plasma membrane
anion homeostasis
inorganic cation import across plasma membrane
inorganic ion import across plasma membrane
chloride transmembrane transport
sodium ion transmembrane transport
import across plasma membrane
chloride transport
inorganic anion transmembrane transport
monovalent inorganic cation homeostasis
sodium ion transport
inorganic anion transport
potassium ion transmembrane transport
potassium ion transport
regulation of cell size
anion transmembrane transport
apical plasma membrane
regulation of cellular component size
monovalent inorganic cation transport
regulation of anatomical structure size
inorganic cation transmembrane transport
anion transport
cation transmembrane transport
metal ion homeostasis
metal ion transport
inorganic ion transmembrane transport
import into cell
cation homeostasis
inorganic ion homeostasis
ion homeostasis
cation transport
cellular homeostasis
ion transmembrane transport
chemical homeostasis
transmembrane transport
ion transport
homeostatic process
membrane
CRISPR Data
Compound HitMost Correlated Genes in ChemogenomicsTissues where Essential in the Avana Dataset (DepMap 20Q1)