Recombinant Human Chromobox protein homolog 8 (CBX8)

In Stock
Code CSB-EP864026HU
MSDS
Size $306
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
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Product Details

Purity
Greater than 85% as determined by SDS-PAGE.
Target Names
CBX8
Uniprot No.
Research Area
Epigenetics and Nuclear Signaling
Alternative Names
Polycomb 3 homolog;Pc3;hPc3;Rectachrome 1
Species
Homo sapiens (Human)
Source
E.coli
Expression Region
1-389aa
Target Protein Sequence
MELSAVGERVFAAEALLKRRIRKGRMEYLVKWKGWSQKYSTWEPEENILDARLLAAFEEREREMELYGPKKRGPKPKTFLLKAQAKAKAKTYEFRSDSARGIRIPYPGRSPQDLASTSRAREGLRNMGLSPPASSTSTSSTCRAEAPRDRDRDRDRDRERDRERERERERERERERERERGTSRVDDKPSSPGDSSKKRGPKPRKELPDPSQRPLGEPSAGLGEYLKGRKLDDTPSGAGKFPAGHSVIQLARRQDSDLVQCGVTSPSSAEATGKLAVDTFPARVIKHRAAFLEAKGQGALDPNGTRVRHGSGPPSSGGGLYRDMGAQGGRPSLIARIPVARILGDPEEESWSPSLTNLEKVVVTDVTSNFLTVTIKESNTDQGFFKEKR
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight
50.8 kDa
Protein Length
Full Length
Tag Info
N-terminal 10xHis-tagged and C-terminal Myc-tagged
Form
Liquid or 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.
Buffer
If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. If the delivery form is lyophilized powder, the buffer before lyophilization is 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°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°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
3-7 business days
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA
Please contact us to get it.

Customer Reviews and Q&A

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Target Background

Function
Component of a Polycomb group (PcG) multiprotein PRC1-like complex, a complex class required to maintain the transcriptionally repressive state of many genes, including Hox genes, throughout development. PcG PRC1 complex acts via chromatin remodeling and modification of histones; it mediates monoubiquitination of histone H2A 'Lys-119', rendering chromatin heritably changed in its expressibility.
Gene References into Functions
  1. CBX8 functions as an oncogene to upregulate EGR1 and miR-365-3p to stimulate the AKT/beta-catenin pathway in hepatocellular carcinoma.CBX8 expression is increased and associated with poor outcomes in hepatocellular carcinoma. PMID: 29066512
  2. CBX8 binds with the Snai1 promoter, represses Snai1 transcription and suppresses esophageal carcinoma metastasis. PMID: 28912889
  3. The data suggest that high expression of CBX8 plays a critical oncogenic role in aggressiveness of urothelial carcinoma cells of the bladder through promoting cancer cell proliferation by repressing the p53 pathway, and CBX8 could be used as a novel predictor for muscle invasive bladder cancer patients. PMID: 28837252
  4. CBX8 binds to H3K27me3 at bivalent promoters during germinal center formation, and recruits a novel PRC1-BCOR complex at BCL6 binding sites to specifically silence genes in the germinal center and promote lymphomagenesis PMID: 27505670
  5. CBX8 plates roles in epigenetic regulation in DNA damage response. PMID: 27555324
  6. IGF1 can promote the colon cancer cell line, HCT116 cell, proliferation via promoting Cbx8 expression PMID: 25398592
  7. The difference in the SUZ12 and CBX8 genes expression were significantly divergent between tumors and their marginal tissues. PMID: 26837964
  8. These data suggest that CBX8 modulates SIPS through the RB-E2F1 pathway in CML cells and provide important insight into its application in CML treatment. PMID: 26718407
  9. Low CBX8 expression was associated with distant metastasis in colorectal cancer. PMID: 25360999
  10. CBX8 might emerge as an oncogene for promoting the proliferation of tumor cells and raising the resistance of neoplasms to chemotherapy. PMID: 25197352
  11. The presence of CBX8-GFP in the same focus had a minor impact on BMI1 and RING1 recovery kinetics. PMID: 24460908
  12. Interaction with CBX8 precludes AF9-DOT1L binding. PMID: 23891621
  13. CBX8 cooperated with SIRT1 for suppressing p53 acetylation induced by Sirtinol and etoposide/TSA. Upon ectopic expression, CBX8 or SIRT1 repressed the expression of p21(WAF1) by inhibiting p53 binding to the promoter. PMID: 23474493
  14. CBX8 plays an essential role in MLL-AF9 transcriptional regulation and leukemogenesis. PMID: 22094252
  15. CBX8 is an essential component of one of the polycomb repressive complexes, which directly regulate the expression of numerous target genes, including the INK4A-ARF locus, involved in cell-fate decisions. PMID: 17332741

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Subcellular Location
Nucleus.
Database Links

HGNC: 15962

OMIM: 617354

KEGG: hsa:57332

STRING: 9606.ENSP00000269385

UniGene: Hs.387258

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