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

Details for Product anti-KCNJ2 Antibody No. ABIN350394, Supplier: Log in to see
Antigen
  • ATFB9
  • HHBIRK1
  • HHIRK1
  • IRK-1
  • IRK1
  • Kcnf1
  • KCNJ2
  • Kir2.1
  • KIR2.1
  • LQT7
  • SQT3
Epitope
Cytoplasmic Domain
36
19
17
4
3
3
2
2
1
1
1
1
1
1
1
1
Reactivity
Human, Rat (Rattus), Mouse (Murine)
66
52
34
19
3
2
1
Host
Rabbit
43
41
4
Clonality
Polyclonal
Conjugate
This KCNJ2 antibody is un-conjugated
5
4
4
4
4
4
2
2
2
2
2
2
2
2
2
2
2
Application
Immunohistochemistry (IHC), Western Blotting (WB)
78
37
36
36
29
5
3
3
3
2
Supplier
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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 antigen. The peptide is homologous in rat and human.
Isotype IgG
Specificity Specific for KCNJ2.
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 concentration of 10-50 µg/ml is recommended.
The optimal concentration 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, Berenfeld, Ronchetti, Dhamoon, Napolitano, Anumonwo, di Barletta, Gudapakkam, Bosi, Stramba-Badiale, Jalife: "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).

Derst, Karschin, Wischmeyer, Hirsch, Preisig-Mueller, Rajan, Engel, Grzeschik, Daut, Karschin: "Genetic and functional linkage of Kir5.1 and Kir2.1 channel subunits." in: FEBS letters, Vol. 491, Issue 3, pp. 305-11, 2001 (PubMed).

Plaster, Tawil, Tristani-Firouzi, Canuun, Bendahhou, Tsunoda, Donaldson, Iannaccone, Brunt, Barohn, Clark, Deymeer, George, Fish, Hahn, Nitu, Ozdemir, Serdaroglu, Subramony, Wolfe, Fu, Ptuacek: "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).

Tare, Prestwich, Gordienko, Parveen, Carver, Robinson, Bolton: "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, Vogeli: "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).

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