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Rabbit Polyclonal Kv1.4/RK3 antibody. Suitable for WB and reacts with Rat, Human samples. Cited in 2 publications.


Images

Western blot - Anti-Kv1.4/RK3 antibody (AB16718), expandable thumbnail

Publications

Key facts

Isotype
IgG
Host species
Rabbit
Storage buffer

Preservative: 0.08% Sodium azide
Constituents: PBS

Form
Liquid
Clonality
Polyclonal

Immunogen

  • The exact immunogen used to generate this antibody is proprietary information.

Reactivity data

Select an application
Product promiseTestedExpectedPredictedNot recommended
WB
Human
Tested
Mouse
Predicted
Rat
Tested
Cow
Predicted

Tested
Tested

Species
Rat
Dilution info
1.00000-10.00000 µg/mL
Notes

Detects a band of approximately 76 KDa in HEK293 lysate and 90 kDa in rat hippocampal membranes.

Species
Human
Dilution info
1.00000-10.00000 µg/mL
Notes

Detects a band of approximately 76 KDa in HEK293 lysate and 90 kDa in rat hippocampal membranes.

Predicted
Predicted

Species
Mouse, Cow
Dilution info
-
Notes

-

Associated Products

Select an associated product type

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Target data

Function

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 (PubMed:19912772, PubMed:8495559). 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 (PubMed:8495559). 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 (PubMed:19912772, PubMed:8495559). Likewise, a heterotetrameric channel formed by KCNA1 and KCNA4 shows rapid inactivation (PubMed:17156368).

Alternative names

Recommended products

Rabbit Polyclonal Kv1.4/RK3 antibody. Suitable for WB and reacts with Rat, Human samples. Cited in 2 publications.

Key facts

Isotype
IgG
Form
Liquid
Clonality
Polyclonal
Immunogen
  • The exact immunogen used to generate this antibody is proprietary information.
Purification technique
Precipitation Ammonium Sulphate
Concentration
Loading...

Storage

Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle

Notes

Abcam is leading the way to address reproducibility in scientific research with our highly validated recombinant monoclonal and recombinant multiclonal antibodies. Search & select one of Abcam's thousands of recombinant alternatives to eliminate batch-variability and unnecessary animal use.

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Abcam antibodies are extensively validated in a wide range of species and applications, so please check the reagent specifications meet your scientific needs before purchasing. If you have any questions or bespoke requirements, simply visit the Contact Us page to send us an inquiry or contact our Support Team ahead of purchase.

Supplementary info

This supplementary information is collated from multiple sources and compiled automatically.
Activity summary

Kv1.4 also known as RK3 functions as a voltage-gated potassium channel. It allows for potassium ions to move across the cell membrane in response to changes in membrane potential. This channel has a molecular mass around 75 kDa. Kv1.4 is mainly expressed in cardiac and neuronal tissues where it plays an important role in action potential repolarization. Its expression ensures proper electrical signaling in these tissues.

Biological function summary

The Kv1.4 channel contributes to the regulation of action potentials in both the heart and nervous system. It is part of a larger complex of potassium channels that work together to fine-tune neuronal excitability and muscle contraction. The function of Kv1.4 is essential for maintaining the balance of excitation and inhibition in cells impacting how electrical signals are transmitted.

Pathways

Kv1.4 has a significant role in the cardiac action potential pathway and the neural signaling pathway. In the cardiac pathway it interacts with other potassium channels like Kv1.2 and Kv1.1 to ensure the timely repolarization of the cardiac action potential. In neural tissues Kv1.4 affects neurotransmitter release and neuronal firing rates interacting with proteins such as synaptotagmin in the synaptic vesicle fusion process.

Associated diseases and disorders

Kv1.4 mutations and dysregulation are connected to cardiac arrhythmias and epilepsy. Altered Kv1.4 function can disrupt the cardiac rhythm leading to arrhythmogenic conditions. In epilepsy abnormal Kv1.4 activity may lead to imbalanced neuronal excitability which can contribute to seizure disorders. Kv1.4 interacts with other proteins like Nav1.1 in these disease states to exacerbate or mitigate symptoms.

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1 product image

  • Western blot - Anti-Kv1.4/RK3 antibody (ab16718), expandable thumbnail

    Western blot - Anti-Kv1.4/RK3 antibody (ab16718)

    Western blots using ab16718.

    1: HEK293 cells transfected with Kv1.4/RK3.

    2: Rat hippocampal membrane.

    The size difference observed can probably be explained by differential post-translational processing.

    All lanes: Western blot - Anti-Kv1.4/RK3 antibody (ab16718)

    Predicted band size: 73 kDa

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Product protocols

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