Recombinant Human Potassium channel subfamily K member 5(KCNK5)

Code CSB-CF012073HU
Size Pls inquire
Source in vitro E.coli expression system
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Product Details

Target Names KCNK5
Uniprot No. O95279
Alternative Names KCNK5; TASK2; Potassium channel subfamily K member 5; Acid-sensitive potassium channel protein TASK-2; TWIK-related acid-sensitive K(+ channel 2
Species Homo sapiens (Human)
Expression Region 1-499
Protein Length Full length protein
Tag Info The following tags are available.
N-terminal His-tagged
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer before Lyophilization Tris/PBS-based buffer, 6% Trehalose, pH 8.0
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
and FAQs
Protein FAQs
Storage Condition Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet Please contact us to get it.

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Target Background

pH-dependent, voltage insensitive, outwardly rectifying potassium channel. Outward rectification is lost at high external K(+) concentrations.
Gene References into Functions
  1. mutations in the promoter region of the TWIK-related acid-sensitive K(+) channel 2 (TASK-2) gene did not result in hypertension or primary aldosteronism (PA) during long-term follow-up in healthy participants thus they do not seem to be a factor in causing PA by themselves. PMID: 29293917
  2. As a novel finding, our study suggests a role for KCNK5 in the regulation of platelet size and maturity. Furthermore, our findings confirm an association between the SH2B3-locus and platelet count. PMID: 28865245
  3. In human aldosterone-producing adrenocortical cancer cell lines, roxithromycin inhibited KCNJ5MUT-induced induction of CYP11B2 (encoding aldosterone synthase) expression and aldosterone production. PMID: 28604387
  4. HLA-DQB1*06:02 does not seem to be associated with hypoxic ventilatory response or hypercapnic ventilatory response; however there are point wise, uncorrected significant associations between two TASK2/KCNK5 variants (rs2815118 and rs150380866) and hypercapnic ventilatory response PMID: 28045995
  5. These results therefore provide further structural and functional insights into the possible pathophysiological effects of this missense variant in TASK-2. PMID: 27228168
  6. Results show that up-regulated KCNK5 in activated human T cells does not play a volume regulatory role, due to decreased Cl- permeability suggesting that the KCNK5 upregulation might play a role in hyperpolarization of the cell membrane leading to increased Ca2+ influx and proliferation of T cells. PMID: 26909737
  7. Potassium channel TASK2 drives human NK-cell proliferation and cytolytic function. PMID: 26140335
  8. Mutant genes (CELA1, HSPG2, and KCNK5) in Balkan endemic nephropathy patients encode proteins involved in basement membrane/extracellular matrix and vascular tone, tightly connected to process of angiogenesis. PMID: 24949484
  9. The TASK-2 channel lower expression represents a hallmark of aldosterone-producing adenoma causing aldosteronism and is associated with a higher expression of hsa-miR-23 and hsa-miR-34. PMID: 24285684
  10. Potassium channels, in particular K2P channels, are expressed and functional in the apical membrane of airway epithelial cells PMID: 21964404
  11. Disease activity in rheumatoid arthritis patients correlates strongly with K(2P)5.1 expression levels in CD4+ T lymphocytes in the peripheral blood PMID: 21314928
  12. 17beta-estradiol induces the expression of KCNK5 via ERalpha(+) in breast cancer cells, and this channel plays a role in regulating proliferation in these cell lines. PMID: 21680658
  13. Data suggest that the cytokine receptor-coupled JAK/STAT pathway is upstream of the swelling-induced phosphorylation and activation of TASK-2 in Ehrlich ascites tumor cells. PMID: 20631251
  14. We here identify and characterize K2P5.1 as a critical player of T-cell effector function; selective targeting of K(2P)5.1 may hold therapeutic promise for multiple sclerosis and putatively other T-cell-mediated disorders. PMID: 20582984
  15. TASK-2 does not possess a histidine residue at homologous position. Inclusion of such a residue failed to produce expected increase in pH sensitivity; instead, a slight decrease was observed PMID: 12634929
  16. TASK-2 is not highly expressed in cerebellum PMID: 15197476
  17. KCNK5 is involved K(+)-channel in regulatory volume decrease in human spermatozoa, and channel activity is regulated beyond the extent of protein expression. PMID: 18157847

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Subcellular Location Membrane; Multi-pass membrane protein.
Protein Families Two pore domain potassium channel (TC 1.A.1.8) family
Tissue Specificity Abundant expression in kidney, also detected in liver, placenta and small intestine. In the kidney, expression is restricted to the distal tubules and collecting ducts. Not expressed in proximal tubules or glomeruli.
Database Links

HGNC: 6280

OMIM: 603493

KEGG: hsa:8645

STRING: 9606.ENSP00000352527

UniGene: Hs.444448

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