2pfi

Structural highlights

Disease

CLCKA_HUMAN Defects in CLCNKA are a cause of Bartter syndrome type 4B (BS4B) [MIM:613090. A digenic, recessive disorder characterized by impaired salt reabsorption in the thick ascending loop of Henle with pronounced salt wasting, hypokalemic metabolic alkalosis, and varying degrees of hypercalciuria. Bartter syndrome type 4B is associated with sensorineural deafness.^{[1] [2]}

Function

CLCKA_HUMAN Voltage-gated chloride channel. Chloride channels have several functions including the regulation of cell volume; membrane potential stabilization, signal transduction and transepithelial transport. May be important in urinary concentrating mechanisms.

Evolutionary Conservation

Checkto colour the structure by Evolutionary Conservation, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

See Also

• Ion channels 3D structures

References

1. ↑ Nozu K, Inagaki T, Fu XJ, Nozu Y, Kaito H, Kanda K, Sekine T, Igarashi T, Nakanishi K, Yoshikawa N, Iijima K, Matsuo M. Molecular analysis of digenic inheritance in Bartter syndrome with sensorineural deafness. J Med Genet. 2008 Mar;45(3):182-6. doi: 10.1136/jmg.2007.052944. PMID:18310267 doi:10.1136/jmg.2007.052944
2. ↑ Schlingmann KP, Konrad M, Jeck N, Waldegger P, Reinalter SC, Holder M, Seyberth HW, Waldegger S. Salt wasting and deafness resulting from mutations in two chloride channels. N Engl J Med. 2004 Mar 25;350(13):1314-9. PMID:15044642 doi:10.1056/NEJMoa032843