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Potassium Inwardly-Rectifying Channel, Subfamily J, Member 2 (KCNJ2) (Cytoplasmic Domain) antibody

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Synonyms KCNJ2, ATFB9, HHBIRK1, HHIRK1, IRK1, KIR2.1, LQT7, SQT3, Kir2.1, Kcnf1, IRK-1
Cytoplasmic Domain
(37), (20), (17), (4), (4), (3), (2), (2), (1), (1), (1), (1), (1), (1), (1), (1), (1)
Human, Rat (Rattus), Mouse (Murine)
(67), (51), (32), (18), (4), (2)
(44), (41), (4)
(5), (4), (4), (4), (4), (4), (2), (2), (2), (2), (2), (2), (2), (2), (2), (2), (2), (1)
Immunohistochemistry (IHC), Western Blotting (WB)
(79), (38), (37), (37), (30), (5), (4), (3), (3), (2)
Pubmed 6 references available
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Quantity 100 μL
Shipping to United States ( )
Availability Will be delivered in 7 to 8 Business Days
Immunogen A synthetic peptide from the cytoplasmic domain of mouse KCNJ2 (HIRK1, IRK1, Kir2.1) conjugated to an immunogenic carrier protein was used as the immunogen. The antigen is homologous in rat and human.
Specificity Specific for KCNJ2.
Purification Whole serum
Alternative Name KCNJ2 (KCNJ2 Antibody Abstract)
Background Function: Probably participates in establishing action potential waveform and excitability of neuronal and muscle tissues. Inward rectifier potassium channels are characterized by a greater tendency to allow potassium to flow into the cell rather than out of it. Their voltage dependence is regulated by the concentration of extracellular potassium, as external potassium is raised, the voltage range of the channel opening shifts to more positive voltages. The inward rectification is mainly due to the blockage of outward current by internal magnesium. Can be blocked by extracellular barium or cesium.
Tissue specificity: Heart, brain, placenta, lung, skeletal muscle, and kidney. Diffusely distributed throughout the brain.
Subcellular location: Membrane, Multi-pass membrane protein. Involvement in disease: Defects in KCNJ2 are the cause of long QT syndrome type 7 (LQT7), also called Andersen syndrome or Andersen cardiodysrhythmic periodic paralysis. Long QT syndromes are heart disorders characterized by a prolonged QT interval on the ECG and polymorphic ventricular arrhythmias. They cause syncope and sudden death in response to excercise or emotional stress. LQT7 manifests itself as a clinical triad consisting of potassium-sensitive periodic paralysis, ventricular ectopy and dysmorphic features. Defects in KCNJ2 are the cause of short QT syndrome type 3 (SQT3). Short QT syndromes are heart disorders characterized by idiopathic persistently and uniformly short QT interval on ECG in the absence of structural heart disease in affected individuals. They cause syncope and sudden death. SQT3 has a unique ECG phenotype characterized by asymmetrical T waves. Also known as: Inward rectifier potassium channel 2, Potassium channel, inwardly rectifying subfamily J member 2, Inward rectifier K(+) channel Kir2.1, Cardiac inward rectifier potassium channel, IRK1.
Application Notes A dilution of 1 : 300 to 1 : 2000 is recommended.
The optimal dilution should be determined by the end user.
Not yet tested in other applications.
Restrictions For Research Use only
Format Lyophilized
Reconstitution Reconstitute in 100 µL of sterile water. Centrifuge to remove any insoluble material.
Handling Advice Avoid freeze and thaw cycles.
Storage 4 °C/-20 °C
Storage Comment Maintain the lyophilised/reconstituted antibodies frozen at -20°C for long term storage and refrigerated at 2-8°C for a shorter term. When reconstituting, glycerol (1:1) may be added for an additional stability. Avoid freeze and thaw cycles.
Expiry Date 12 months
Background publications Priori, Pandit, Rivolta et al.: "A novel form of short QT syndrome (SQT3) is caused by a mutation in the KCNJ2 gene." in: Circulation research, Vol. 96, Issue 7, pp. 800-7, 2005 (PubMed).

Plaster, Tawil, Tristani-Firouzi et al.: "Mutations in Kir2.1 cause the developmental and episodic electrical phenotypes of Andersen's syndrome." in: Cell, Vol. 105, Issue 4, pp. 511-9, 2001 (PubMed).

Derst, Karschin, Wischmeyer et al.: "Genetic and functional linkage of Kir5.1 and Kir2.1 channel subunits." in: FEBS letters, Vol. 491, Issue 3, pp. 305-11, 2001 (PubMed).

Tare, Prestwich, Gordienko et al.: "Inwardly rectifying whole cell potassium current in human blood eosinophils." in: The Journal of physiology, Vol. 506 ( Pt 2), pp. 303-18, 1998 (PubMed).

Raab-Graham, Radeke, Vandenberg: "Molecular cloning and expression of a human heart inward rectifier potassium channel." in: Neuroreport, Vol. 5, Issue 18, pp. 2501-5, 1995 (PubMed).

Wood, Tsai, Lee et al.: "Cloning and functional expression of a human gene, hIRK1, encoding the heart inward rectifier K+-channel." in: Gene, Vol. 163, Issue 2, pp. 313-7, 1995 (PubMed).

Catalog No. ABIN350393
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