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  4. Recombinant Rat Potassium voltage-gated channel subfamily A member 4 (Kcna4), partial

Recombinant Rat Potassium voltage-gated channel subfamily A member 4 (Kcna4), partial

  • 中文名稱：
    大鼠Kcna4重組蛋白
  • 貨號：
    CSB-YP012009RA1
  • 規格：
  • 來源：
    Yeast
  • 其他：
  • 中文名稱：
    大鼠Kcna4重組蛋白
  • 貨號：
    CSB-EP012009RA1
  • 規格：
  • 來源：
    E.coli
  • 其他：
  • 中文名稱：
    大鼠Kcna4重組蛋白
  • 貨號：
    CSB-EP012009RA1-B
  • 規格：
  • 來源：
    E.coli
  • 共軛：
    Avi-tag Biotinylated

    E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.

  • 其他：
  • 中文名稱：
    大鼠Kcna4重組蛋白
  • 貨號：
    CSB-BP012009RA1
  • 規格：
  • 來源：
    Baculovirus
  • 其他：
  • 中文名稱：
    大鼠Kcna4重組蛋白
  • 貨號：
    CSB-MP012009RA1
  • 規格：
  • 來源：
    Mammalian cell
  • 其他：

產品詳情

  • 純度：
    >85% (SDS-PAGE)
  • 基因名：
    Kcna4
  • Uniprot No.：
  • 別名：
    Kcna4; Potassium voltage-gated channel subfamily A member 4; RCK4; RHK1; RK3; Voltage-gated potassium channel subunit Kv1.4
  • 種屬：
    Rattus norvegicus (Rat)
  • 蛋白長度：
    Partial
  • 蛋白標簽：
    Tag?type?will?be?determined?during?the?manufacturing?process.
    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.
  • 產品提供形式：
    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.
  • 復溶：
    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.
  • 儲存條件：
    Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
  • 保質期：
    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.
  • 貨期：
    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.
  • 注意事項：
    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.

產品評價

靶點詳情

  • 功能：
    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. In vivo, membranes probably contain a mixture of heteromeric potassium channel complexes, making it difficult to assign currents observed in intact tissues to any particular potassium channel family member. Homotetrameric KCNA4 forms a potassium channel that opens in response to membrane depolarization, followed by rapid spontaneous channel closure. Likewise, a heterotetrameric channel formed by KCNA1 and KCNA4 shows rapid inactivation.
  • 基因功能參考文獻：
    1. Four prolines and four lysines in a Kv1.4 homotetramer might provide a binding site for a putative endoplasmic reticulum-export molecule to ensure high cell surface protein expression of the channel. PMID: 28054303
    2. synaptotagmin I is an interacting protein of Kv1.4 channel. PMID: 24423395
    3. Kv1.4 K(+) channels are potently regulated by intracellular free heme; heme binds to the N-terminal inactivation domain and thereby impairs the inactivation process PMID: 24082096
    4. Endogenous H2S generating enzyme cystathionine-beta-synthetase was co-localized well with Kv1.1 and Kv1.4 in trigeminal ganglion neurons. PMID: 23413915
    5. Immunocytochemistry indicated that protein expression for Kv1.4 increased between 1 wk and 4-5 wk of age. PMID: 21451062
    6. N-type inactivation prevention (NIP) domain function was shown to require positioning of Kv1.6 adjacent to the Kv1.4 subunit. PMID: 21352098
    7. NMR assignments for 48 kDa tetramer of the T1 domain of Kv1.4 [Kv1.4] PMID: 19888682
    8. Kv1.4 channels are widely distributed in the rat brain and activation of this channel would have different modulatory effects on neuronal excitability. PMID: 14615029
    9. preventing N-glycosylation of Kv1.4 decreased its protein stability, induced its high partial intracellular retention, and decreased its cell surface protein levels PMID: 14688283
    10. Kv3.4 subunit immunoreactivity (Kv3.4-IR) was widespread, with dense, punctate staining in many regions including the intermediolateral cell column (IML) and the dorsal vagal nucleus (DVN), nucleus ambiguus (NA) and nucleus tractus solitarius (NTS). PMID: 15207333
    11. These results suggest that diffusible factors coordinate the pregnancy-associated changes in molecular compositions of myometrial Kv4-KChIP channel complexes. PMID: 15454398
    12. Immunohistochemical co-expression of carbonic anhydrase II with Kv1.4 and TRPV1 in rat small-diameter trigeminal ganglion neurons. PMID: 15885224
    13. Taken together, elevation of the neuronal transmission stimulates the phosphorylation of Kv1.4 at Ser229 via the Ca2+ influx through NMDA receptor. PMID: 16000151
    14. these results demonstrate that Kv4alpha subunits encode IA channels and that IA plays a pivotal role in shaping the waveforms of individual action potentials and in controlling repetitive firing in visual cortical pyramidal neurons. PMID: 16207878
    15. Continuum electrostatics was used to investigate the interactions of Kv1.4 mutants H508 or K532 with K(+) sites in the pore. PMID: 17359997
    16. Temporomandibular joint(TMJ) inflammation reduces expression of Kv1.4 subunits in small-/medium sized (Adelta-/C-) trigeminal ganglion neurons and this may contribute to trigeminal inflammatory allodynia in TMJ disorder. PMID: 17584507
    17. Removal of the fast N-type inactivation gate, delta (6-46), reveals a steric interference of internal TEA with an internally located slow inactivation gate in Xenopus oocytes expression system. PMID: 19029372
    18. Bladder inflammation increases bladder afferent neuron excitability by decreasing expression of Kv1.4 alpha-subunits. PMID: 19279288
    19. Both arachidonic acid and Trolox potently modulate Kv1.4 and Kv4.2 channel alpha-subunits, thereby presumably tuning presynaptic transmitter release and postsynaptic somatodendritic excitability in synaptic transmission and plasticity. PMID: 19453640

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  • 亞細胞定位：
    Cell membrane; Multi-pass membrane protein. Cell projection, axon.
  • 蛋白家族：
    Potassium channel family, A (Shaker) (TC 1.A.1.2) subfamily, Kv1.4/KCNA4 sub-subfamily
  • 組織特異性：
    Detected in brain (at protein level). Heart and brain.
  • 數據庫鏈接：


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