

| Catalog No. | HB186022 |
|---|---|
| Description |
Recombinant Human KCNA4 Protein, N-His (HB186022) expressed in E. coli, spanning Glu176-Pro300. Purity: >90% by SDS-PAGE.
Highlights
|
| Expression system | E. coli |
| Accession | P22459 |
| Protein length | Glu176-Pro300 |
| Applications | ELISA, Immunogen, SDS-PAGE, WB, Bioactivity testing in progress |
| Species | Homo sapiens (Human) |
| Nature | Recombinant |
| Endotoxin level | Please contact with the lab for this information. |
| Purity | >90% as determined by SDS-PAGE. |
| Predicted molecular weight | 17.43 kDa |
| Form | Lyophilized |
| Storage buffer | Lyophilized from a solution in PBS pH 7.4, 1 mM EDTA, 4% Trehalose, 1% Mannitol. Please refer to the specific buffer information in the hardcopy of datasheet or the lot-specific COA. |
| Reconstitution | Reconstitute in sterile water for a stock solution. A copy of datasheet will be provided with the products, please refer to it for details. |
| Shipping | In general, proteins are provided as lyophilized powder/frozen liquid. They are shipped out with dry ice/blue ice unless customers require otherwise. |
| Stability and Storage | Use a manual defrost freezer and avoid repeated freeze thaw cycles. Store at 2 to 8°C for frequent use. Store at -20 to -80°C for twelve months from the date of receipt. |
| Alternate Names | HPCN2, KCNA4, KCNA4L, Potassium voltage-gated channel subfamily A member 4, Voltage-gated K(+) channel HuKII, Voltage-gated potassium channel HBK4, Voltage-gated potassium channel HK1, Voltage-gated potassium channel subunit Kv1.4 |
| Background | Potassium voltage-gated channel subfamily A member 4 is a ~73 kDa protein. Voltage-gated potassium channel that mediates transmembrane potassium transport in excitable membranes. Forms tetrameric potassium-selective channels through which potassium ions pass in accordance with their electrochemical gradient. The channel alternates between opened and closed conformations in response to the voltage difference across the membrane. Can form functional homotetrameric channels and heterotetrameric channels that contain variable proportions of KCNA1, KCNA2, KCNA4, KCNA5, and possibly other family members as well; channel properties depend on the type of alpha subunits that are part of the channel. Channel properties are modulated by cytoplasmic beta subunits that regulate the subcellular location of the alpha subunits and promote rapid inactivation. 1. Ramaswami, M. et al. (1990) Molecular and cellular neurosciences 1, 214-23. PMID: 19912772 2. Po, S. et al. (1993) Circulation research 72, 1326-36. PMID: 8495559 3. Imbrici, P. et al. (2006) The European journal of neuroscience 24, 3073-83. PMID: 17156368 |
| Note | For research use only |



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