|Application ||WB, FC, E|
|Description||This gene encodes a voltage-gated potassium channel required for repolarization phase of the cardiac action potential. This protein can form heteromultimers with two other potassium channel proteins, KCNE1 and KCNE3. Mutations in this gene are associated with hereditary long QT syndrome 1 (also known as Romano-Ward syndrome), Jervell and Lange-Nielsen syndrome, and familial atrial fibrillation. This gene exhibits tissue-specific imprinting, with preferential expression from the maternal allele in some tissues, and biallelic expression in others. This gene is located in a region of chromosome 11 amongst other imprinted genes that are associated with Beckwith-Wiedemann syndrome (BWS), and itself has been shown to be disrupted by chromosomal rearrangements in patients with BWS. Alternatively spliced transcript variants have been found for this gene.|
|Immunogen||Purified recombinant fragment of human KCNQ1 expressed in E. Coli. |
|Formulation||Ascitic fluid containing 0.03% sodium azide. |
|Other Names||Potassium voltage-gated channel subfamily KQT member 1, IKs producing slow voltage-gated potassium channel subunit alpha KvLQT1, KQT-like 1, Voltage-gated potassium channel subunit Kv7.1, KCNQ1, KCNA8, KCNA9, KVLQT1|
WB~~1/500 - 1/2000
FC~~1/200 - 1/400
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||KCNQ1 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
|Synonyms||KCNA8, KCNA9, KVLQT1|
|Function||Probably important in cardiac repolarization. Associates with KCNE1 (MinK) to form the I(Ks) cardiac potassium current. Elicits a rapidly activating, potassium-selective outward current. Muscarinic agonist oxotremorine-M strongly suppresses KCNQ1/KCNE1 current in CHO cells in which cloned KCNQ1/KCNE1 channels were coexpressed with M1 muscarinic receptors. May associate also with KCNE3 (MiRP2) to form the potassium channel that is important for cyclic AMP-stimulated intestinal secretion of chloride ions, which is reduced in cystic fibrosis and pathologically stimulated in cholera and other forms of secretory diarrhea.|
|Cellular Location||Cell membrane; Multi-pass membrane protein Cytoplasmic vesicle membrane; Multi- pass membrane protein|
|Tissue Location||Abundantly expressed in heart, pancreas, prostate, kidney, small intestine and peripheral blood leukocytes Less abundant in placenta, lung, spleen, colon, thymus, testis and ovaries|
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1. Biochem Biophys Res Commun. 2009 May 29;383(2):206-9. 2. J Biol Chem. 2009 Jun 12;284(24):16452-62.
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