Kir2.1 Polyclonal antibody

Kir2.1 Polyclonal Antibody for WB, IHC, ELISA

Host / Isotype

Rabbit / IgG


human, mouse, rat and More (1)





Cat no : 19965-1-AP


HHBIRK1, HHIRK1, hIRK1, IRK 1, IRK1, KCNJ2, Kir2.1, LQT7, SQT3

Tested Applications

Positive WB detected inA549 cells
Positive IHC detected inhuman brain tissue
Note: suggested antigen retrieval with TE buffer pH 9.0; (*) Alternatively, antigen retrieval may be performed with citrate buffer pH 6.0

Recommended dilution

Western Blot (WB)WB : 1:200-1:1000
Immunohistochemistry (IHC)IHC : 1:20-1:200
It is recommended that this reagent should be titrated in each testing system to obtain optimal results.
Sample-dependent, Check data in validation data gallery.

Product Information

19965-1-AP targets Kir2.1 in WB, IHC, ELISA applications and shows reactivity with human, mouse, rat samples.

Tested Reactivity human, mouse, rat
Cited Reactivityhuman, mouse, rat, rabbit
Host / Isotype Rabbit / IgG
Class Polyclonal
Type Antibody
Immunogen Peptide
Full Name potassium inwardly-rectifying channel, subfamily J, member 2
Calculated Molecular Weight 48 kDa
Observed Molecular Weight 50 kDa, 60 kDa
GenBank Accession NumberNM_000891
Gene Symbol KCNJ2
Gene ID (NCBI) 3759
Conjugate Unconjugated
Form Liquid
Purification MethodAntigen affinity purification
Storage Buffer PBS with 0.02% sodium azide and 50% glycerol pH 7.3.
Storage ConditionsStore at -20°C. Stable for one year after shipment. Aliquoting is unnecessary for -20oC storage. 20ul sizes contain 0.1% BSA.

Background Information

KCNJ2, also named as HHBIRK1, HHIRK1, IRK1, KIR2.1, LQT7 and SQT3, belongs to the inward rectifier-type potassium channel family. KCNJ2 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. KCNJ2 can be blocked by extracellular barium or cesium. Defects in KCNJ2 are the cause of long QT syndrome type 7 (LQT7). Defects in KCNJ2 are the cause of short QT syndrome type 3 (SQT3). The antibody recognizes the C-term of KCNJ2.


Product Specific Protocols
WB protocol for Kir2.1 antibody 19965-1-APDownload protocol
IHC protocol for Kir2.1 antibody 19965-1-APDownload protocol
Standard Protocols
Click here to view our Standard Protocols



Nat Commun

Kir2.1-mediated membrane potential promotes nutrient acquisition and inflammation through regulation of nutrient transporters.

Authors - Weiwei Yu

Stem Cell Res Ther

Overexpression of KCNJ2 enhances maturation of human-induced pluripotent stem cell-derived cardiomyocytes

Authors - Jingjun Zhou

J Mol Cell Cardiol

Altered long non-coding RNA expression profile in rabbit atria with atrial fibrillation: TCONS_00075467 modulates atrial electrical remodeling by sponging miR-328 to regulate CACNA1C.

Authors - Zhan Li

J Cell Mol Med

Long noncoding RNA TCONS-00106987 promotes atrial electrical remodelling during atrial fibrillation by sponging miR-26 to regulate KCNJ2.

Authors - Juanjuan Du

Funct Integr Genomics

Knockdown of circZMIZ1 enhances the anti-tumor activity of CD8+ T cells to alleviate hepatocellular carcinoma

Authors - Xi Li

Hypertens Res

Administration of USP7 inhibitor p22077 alleviates Angiotensin II (Ang II)-induced atrial fibrillation in Mice

Authors - Yu Wang