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KCNJ4 Protein (AA 171-445) (His tag)

Crystallography grade KCNJ4 Origin: Human Host: Escherichia coli (E. coli) Recombinant >95 % as determined by SDS PAGE, Size Exclusion Chromatography and Western Blot. ELISA, WB, Crys, SDS
Catalog No. ABIN3082545
  • Target See all KCNJ4 Proteins
    KCNJ4 (Potassium Inwardly-Rectifying Channel, Subfamily J, Member 4 (KCNJ4))
    Protein Type
    Recombinant
    Protein Characteristics
    AA 171-445
    Origin
    • 2
    • 2
    Human
    Source
    • 2
    • 1
    • 1
    Escherichia coli (E. coli)
    Purification tag / Conjugate
    This KCNJ4 protein is labelled with His tag.
    Application
    ELISA, Western Blotting (WB), Crystallization (Crys), SDS-PAGE (SDS)
    Sequence
    IMAKMARPKK RAQTLLFSHH AVISVRDGKL CLMWRVGNLR KSHIVEAHVR AQLIKPYMTQ EGEYLPLDQR DLNVGYDIGL DRIFLVSPII IVHEIDEDSP LYGMGKEELE SEDFEIVVIL EGMVEATAMT TQARSSYLAS EILWGHRFEP VVFEEKSHYK VDYSRFHKTY EVAGTPCCSA RELQESKITV LPAPPPPPSA FCYENELALM SQEEEEMEEE AAAAAAVAAG LGLEAGSKEE AGIIRMLEFG SHLDLERMQA SLPLDNISYR RESAI
    Sequence without tag. Tag location is at the discretion of the manufacturer. If you have a special request, please contact us.
    Characteristics
    • Made in Germany - from design to production - by highly experienced protein experts.
    • Human KCNJ4 Protein (raised in E. Coli) purified by multi-step, protein-specific process to ensure crystallization grade.
    • State-of-the-art algorithm used for plasmid design (Gene synthesis).

    This protein is a made to order protein and will be made for the first time for your order. Our experts in the lab will ensure that you receive a correctly folded protein.

    The big advantage of ordering our made-to-order proteins in comparison to ordering custom made proteins from other companies is that there is no financial obligation in case the protein cannot be expressed or purified.

    In the unlikely event that the protein cannot be expressed or purified we do not charge anything (other companies might charge you for any performed steps in the expression process for custom-made proteins, e.g. fees might apply for the expression plasmid, the first expression experiments or purification optimization).

    When you order this made-to-order protein you will only pay upon receival of the correctly folded protein. With no financial risk on your end you can rest assured that our experienced protein experts will do everything to make sure that you receive the protein you ordered.

    The concentration of our recombinant proteins is measured using the absorbance at 280nm. The protein's absorbance will be measured in several dilutions and is measured against its specific reference buffer.

    The concentration of the protein is calculated using its specific absorption coefficient. We use the Expasy's protparam tool to determine the absorption coefficient of each protein.

    Purification
    Two step purification of proteins expressed in bacterial culture:
    1. In a first purification step, the protein is purified from the cleared cell lysate using three different His-tag capture materials: high yield, EDTA resistant, or DTT resistant. Eluate fractions are analyzed by SDS-PAGE.
    2. Protein containing fractions of the best purification are subjected to second purification step through size exclusion chromatography. Eluate fractions are analyzed by SDS-PAGE and Western blot.
    Purity
    >95 % as determined by SDS PAGE, Size Exclusion Chromatography and Western Blot.
    Sterility
    0.22 μm filtered
    Endotoxin Level
    Endotoxin has not been removed. Please contact us if you require endotoxin removal.
    Grade
    Crystallography grade
    Top Product
    Discover our top product KCNJ4 Protein
  • Application Notes
    In addition to the applications listed above we expect the protein to work for functional studies as well. As the protein has not been tested for functional studies yet we cannot offer a guarantee though.
    Comment

    In cases in which it is highly likely that the recombinant protein with the default tag will be insoluble our protein lab may suggest a higher molecular weight tag (e.g. GST-tag) instead to increase solubility. We will discuss all possible options with you in detail to assure that you receive your protein of interest.

    Restrictions
    For Research Use only
  • Format
    Liquid
    Buffer
    100 mM NaCL, 20 mM Hepes, 10% glycerol. pH value is at the discretion of the manufacturer.
    Handling Advice
    Avoid repeated freeze-thaw cycles.
    Storage
    -80 °C
    Storage Comment
    Store at -80°C.
    Expiry Date
    Unlimited (if stored properly)
  • Target
    KCNJ4 (Potassium Inwardly-Rectifying Channel, Subfamily J, Member 4 (KCNJ4))
    Alternative Name
    KCNJ4 (KCNJ4 Products)
    Synonyms
    KCNJ4 Protein, CKIR2.3 Protein, HIR Protein, HIRK2 Protein, HRK1 Protein, IRK-3 Protein, IRK3 Protein, Kir2.3 Protein, Kcnf2 Protein, MB-IRK3 Protein, Hirk2 Protein, potassium voltage-gated channel subfamily J member 4 Protein, potassium inwardly-rectifying channel, subfamily J, member 4 Protein, KCNJ4 Protein, Kcnj4 Protein
    Background
    Inward rectifier potassium channels are characterized by a greater tendency to allow potassium to flow into the cell rather than out of it. Their voltage dependence is regulated by the concentration of extracellular potassium, as external potassium is raised, the voltage range of the channel opening shifts to more positive voltages. The inward rectification is mainly due to the blockage of outward current by internal magnesium. Can be blocked by extracellular barium and cesium (By similarity). {ECO:0000250}.
    Molecular Weight
    31.9 kDa Including tag.
    UniProt
    P48050
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