Recombinant Human Activator of apoptosis harakiri(HRK)

Code CSB-CF010741HU
Size Pls inquire
Source in vitro E.coli expression system
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Product Details

Target Names HRK
Uniprot No. O00198
Alternative Names HRK; BID3; Activator of apoptosis harakiri; BH3-interacting domain-containing protein 3; Neuronal death protein DP5
Species Homo sapiens (Human)
Expression Region 1-91
Protein Length Full length protein
Tag Info The following tags are available.
N-terminal His-tagged
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.
Form Lyophilized powder
Buffer before Lyophilization Tris/PBS-based buffer, 6% Trehalose, pH 8.0
Reconstitution 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.
and FAQs
Protein FAQs
Storage Condition Store at -20°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life 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.
Lead Time 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.
Notes 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.

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Target Background

(From Uniprot)
Promotes apoptosis.
Gene References into Functions
  1. The apoptosis phenotype was partly dependent on HRK upregulation, as HRK knockdown significantly abrogated the sensitization. KDM2B-silenced tumors exhibited slower growth in vivo. Taken together, our findings suggest a novel mechanism, where the key apoptosis components are under epigenetic control of KDM2B in glioblastoma multiforme cells. PMID: 28661478
  2. miR-23a-3p, miR-23b-3p, and miR-149-5p, were downregulated by cytokines and selected for further studies. These miRNAs were found to regulate the expression of the proapoptotic Bcl-2 proteins DP5 and PUMA and consequent human beta-cell apoptosis. PMID: 27737950
  3. our findings suggest that induction of the BH3-only protein Hrk is a critical step in 2-ME activation of the JNK-induced apoptotic pathway, targeting mitochondria by liberating proapoptotic protein Bak. PMID: 23580416
  4. SUZ12 promotes the proliferation of human EOC cells by inhibiting apoptosis and HRK is a novel SUZ12 target gene whose upregulation contributes to apoptosis induced by SUZ12 knockdown. PMID: 22964433
  5. Diva binds peptides derived from the BH3 domain of several other proapoptotic Bcl-2 proteins, including mouse Harakiri, Bid, Bak and Bmf. PMID: 23192964
  6. The BH3-only protein harakiri (HRK) is transactivated by ATF4 in severe hypoxia through direct binding of ATF4 to the promoter region. PMID: 23090478
  7. Data suggest that DP5 and PUMA/BBC3 (p53 up-regulated modulator of apoptosis/bcl-2-binding component 3) contribute to palmitate-induced apoptosis of pancreatic beta-cells via lipotoxic endoplasmic reticulum stress. PMID: 22773666
  8. These results are used to propose a tentative structural model of how Harakiri works. PMID: 21731739
  9. analysis of a novel interaction between Bcl-2 members Diva and Harakiri PMID: 21209886
  10. Hrk is involved in the induction of apoptosis in RGCs after optic nerve transection. PMID: 11796190
  11. apoptosis inducers as diverse as oncoprotein inhibitors and cell death receptor activators trigger Hrk expression via blockade of DREAM in leukemia cells PMID: 12217801
  12. Data report that human oocytes and fragmenting preimplantation embryos possess transcripts encoding Harakiri and caspase-3. PMID: 12606589
  13. HRK is a target of epigenetic inactivation in colorectal and gastric cancer PMID: 14695142
  14. The interaction between HRK and cellular protein p32 was studied. HRK-induced apoptosis was suppresssed by the expression of p32 mutants lacking the N-terminal sequences 74-282 and the C-terminal sequences 1-221. PMID: 15031724
  15. HRK appears to be inactivated principally by promoter hypermethylation in prostate cancers and decreased expression may play an important role in tumor progression by modulating apoptotic cell death PMID: 18008329
  16. in response to PAHs, Ahr-mediated activation of the harakiri, BCL2 interacting protein (contains only BH3 domain), was necessary for execution of cell death. PMID: 18037991
  17. Aberrant 5'-CpG methylation status and loss of heterozygosity on 12q13.1 are associated with HRK expression in human malignancies, including prostate cancers, astrocytic tumors and primary central nervous system lymphomas. Review. PMID: 19641496

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Subcellular Location Membrane, Single-pass membrane protein, Mitochondrion
Database Links

HGNC: 5185

OMIM: 603447

KEGG: hsa:8739

STRING: 9606.ENSP00000257572

UniGene: Hs.26605


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