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Recombinant Mouse Eukaryotic translation initiation factor 2-alpha kinase 1 (Eif2ak1)

  • 中文名稱:
    小鼠Eif2ak1重組蛋白
  • 貨號:
    CSB-YP007510MO
  • 規格:
  • 來源:
    Yeast
  • 其他:
  • 中文名稱:
    小鼠Eif2ak1重組蛋白
  • 貨號:
    CSB-EP007510MO
  • 規格:
  • 來源:
    E.coli
  • 其他:
  • 中文名稱:
    小鼠Eif2ak1重組蛋白
  • 貨號:
    CSB-EP007510MO-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:
    小鼠Eif2ak1重組蛋白
  • 貨號:
    CSB-BP007510MO
  • 規格:
  • 來源:
    Baculovirus
  • 其他:
  • 中文名稱:
    小鼠Eif2ak1重組蛋白
  • 貨號:
    CSB-MP007510MO
  • 規格:
  • 來源:
    Mammalian cell
  • 其他:

產品詳情

  • 純度:
    >85% (SDS-PAGE)
  • 基因名:
  • Uniprot No.:
  • 別名:
    Eif2ak1; HriEukaryotic translation initiation factor 2-alpha kinase 1; EC 2.7.11.1; Heme-controlled repressor; HCR; Heme-regulated eukaryotic initiation factor eIF-2-alpha kinase; Heme-regulated inhibitor; Hemin-sensitive initiation factor 2-alpha kinase
  • 種屬:
    Mus musculus (Mouse)
  • 蛋白長度:
    full length protein
  • 表達區域:
    1-619
  • 氨基酸序列
    MLGGSSVDGE RDTDDDAAGA VAAPPAIDFP AEVSDPKYDE SDVPAELQVL KEPLQQPTFP FLVANQLLLV SLLEHLSHVH EPNPLHSKQV FKLLCQTFIK MGLLSSFTCS DEFSSLRLHH NRAITHLMRS AKERVRQDPC QDNSYMQKIR SREIAFEAQT SRYLNEFEEL AILGKGGYGR VYKVRNKLDG QHYAIKKILI KSATKTDCMK VLREVKVLAG LQHPNIVGYH TAWIEHVHVV QPQDRVPIQL PSLEVLSEQE GDRDQGGVKD NESSSSIVFA ELTPEKEKPF GESEVKNENN NLVSYTANLV VRNSSESESS IELQEDGLTD LSVRPVVRHQ LPLGHSSELE GNFTSTDESS EGNLNLLGQT EVRYHLMLHI QMQLCELSLW DWITERNKRS REYVDEAACP YVMASVATKI FQELVEGVFY IHNMGIVHRD LKPRNIFLHG PDQQVKIGDF GLACADIIQN ADWTNRNGKG TRTHTSRVGT CLYASPEQLE GSQYDAKSDM YSLGVILLEL FQPFGTEMER ATVLTGVRTG RIPESLSKRC PVQAKYIQLL TGRNVSQRPS ALQLLQSELF QTTGNVNLTL QMKIIEQEKE IEELKKQLSL LSQDRGLKR
  • 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:
    Metabolic-stress sensing protein kinase that phosphorylates the alpha subunit of eukaryotic translation initiation factor 2 (EIF2S1/eIF-2-alpha) in response to various stress conditions. Key activator of the integrated stress response (ISR) required for adaptation to various stress, such as heme deficiency, oxidative stress, osmotic shock, mitochondrial dysfunction and heat shock. EIF2S1/eIF-2-alpha phosphorylation in response to stress converts EIF2S1/eIF-2-alpha in a global protein synthesis inhibitor, leading to a global attenuation of cap-dependent translation, while concomitantly initiating the preferential translation of ISR-specific mRNAs, such as the transcriptional activator ATF4, and hence allowing ATF4-mediated reprogramming. Acts as a key sensor of heme-deficiency: in normal conditions, binds hemin via a cysteine thiolate and histidine nitrogenous coordination, leading to inhibit the protein kinase activity. This binding occurs with moderate affinity, allowing it to sense the heme concentration within the cell: heme depletion relieves inhibition and stimulates kinase activity, activating the ISR. Thanks to this unique heme-sensing capacity, plays a crucial role to shut off protein synthesis during acute heme-deficient conditions. In red blood cells (RBCs), controls hemoglobin synthesis ensuring a coordinated regulation of the synthesis of its heme and globin moieties. It thereby plays an essential protective role for RBC survival in anemias of iron deficiency. Similarly, in hepatocytes, involved in heme-mediated translational control of CYP2B and CYP3A and possibly other hepatic P450 cytochromes. May also regulate endoplasmic reticulum (ER) stress during acute heme-deficient conditions. Also activates the ISR in response to mitochondrial dysHRI/EIF2AK1 protein kinase activity is activated upon binding to the processed form of DELE1 (S-DELE1), thereby promoting the ATF4-mediated reprogramming.
  • 基因功能參考文獻:
    1. HRI mediates the cellular confinement and killing of virulent L. monocytogenes. PMID: 29311243
    2. Heme-Regulated eIF2alpha Kinase Modulates Hepatic FGF21 and Is Activated by PPARbeta/delta Deficiency. Findings suggest that HRI is a potential target for regulating hepatic FGF21 levels. PMID: 27486236
    3. These findings indicate that the anti-proliferative actions of PKR on pancreatic beta-cells may contribute to the pathogenesis of type 2 diabetes. PMID: 24342611
    4. we suggest that Tyr193, Thr485 and Thr490 are essential residues in the catalysis. PMID: 21223507
    5. eukaryotic initiation factor 2alpha kinase is a protagonist of heme-mediated translational control of CYP2B enzymes and a modulator of basal endoplasmic reticulum stress tone. PMID: 20071449
    6. Study of the kinetics showed that the heme-regulated inhibitor (HRI) kinase reaction follows classical Michaelis-Menten kinetics with respect to ATP but sigmoidal kinetics and positive cooperativity with respect to the protein substrate. PMID: 16893190
    7. Results demonstrate that heme-regulated eIF2alpha kinase deficiency attenuates hepcidin expression and iron homeostasis in mice, indicating a potential role for HRI in the anemia of inflammation. PMID: 17932563

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  • 相關疾病:
    Defects in Eif2ak1 are a cause of hyperchromic anemia in animals suffering from iron deficiency. The number of red blood cells is decreased due to increased apoptosis of erythroid precursor cells, probably because globins misfold and aggregate in the absence of heme.
  • 亞細胞定位:
    Cytoplasm.
  • 蛋白家族:
    Protein kinase superfamily, Ser/Thr protein kinase family, GCN2 subfamily
  • 組織特異性:
    Expressed predominantly in erythroid cells, mature reticulocytes, as well as fetal liver nucleated erythroid cells. At much lower levels, expressed in hepatocytes and bone marrow-derived macrophages (at protein level).
  • 數據庫鏈接:


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