The antibody recognizes the C-term of KCNJ2.
The KIR2 subunit family includes 2. 1, 2. 2, 2. 3 and 2. 4. Unlike G protein-coupled KIR3 subunits, KIR2. 1 requires both phosphorylation by PKA and ATP hydrolysis for functional activity. KIR2. 1 is expressed in the superior and inferior collicula and the pontine region of the brain, where it moderates synaptic transmission, like many other potassium channels. In the placenta, KIR2. 1 is expressed throughout gestation in cytotrophoblast cells. In the kidney, KIR2. 1 colocalizes with KIR5. 1 in the proximal tubule. KIR2. 1, 2. 2 and 2. 3 associate with the membrane-associated guanylate kinase synapseassociated protein 97 in the cerebellum and heart. Phosphorylation of KIR2. 2 by protein kinase A inhibits the associates with SAP97.
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Protein Aliases: Cardiac inward rectifier potassium channel; HHIRK 1; HIRK 1; hIRK1; Inward rectifier K; Inward rectifier K(+) channel Kir2.1; inward rectifier K+ channel KIR2.1; Inward rectifier potassium channel 2; IRK 1; IRK-1; IRK2; LQT 7; Potassium channel, inwardly rectifying subfamily J member 2; potassium channel, inwardly rectifying subfamily J, member 2; potassium inwardly-rectifying channel, subfamily J, member 2; RBL-IRK1; SQT 3
Gene Aliases: ATFB9; HHBIRK1; HHIRK1; IRK1; Kcnf1; KCNJ2; KIR2.1; LQT7; SQT3