Recombinant Human AT-rich interactive domain-containing protein 4B(ARID4B),partial

In Stock
Code CSB-EP702965HU
Size US$388
  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
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Product Details

Greater than 85% as determined by SDS-PAGE.
Target Names
Uniprot No.
Research Area
Alternative Names
ARID4B; BRCAA1; RBBP1L1; RBP1L1; SAP180AT-rich interactive domain-containing protein 4B; ARID domain-containing protein 4B; 180 kDa Sin3-associated polypeptide; Sin3-associated polypeptide p180; Breast cancer-associated antigen BRCAA1; Histone deacetylase complex subunit SAP180; Retinoblastoma-binding protein 1-like 1
Homo sapiens (Human)
Expression Region
Target Protein Sequence
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight
32.8 kDa
Protein Length
Tag Info
N-terminal 6xHis-tagged
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.
Tris-based buffer,50% glycerol
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
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.

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Target Background

Acts as a transcriptional repressor. May function in the assembly and/or enzymatic activity of the Sin3A corepressor complex or in mediating interactions between the complex and other regulatory complexes. Plays a role in the regulation of epigenetic modifications at the PWS/AS imprinting center near the SNRPN promoter, where it might function as part of a complex with RB1 and ARID4A. Involved in spermatogenesis, together with ARID4A, where it functions as a transcriptional coactivator for AR (androgen receptor) and enhances expression of genes required for sperm maturation. Regulates expression of the tight junction protein CLDN3 in the testis, which is important for integrity of the blood-testis barrier. Plays a role in myeloid homeostasis where it regulates the histone methylation state of bone marrow cells and expression of various genes involved in hematopoiesis. May function as a leukemia suppressor.
Gene References into Functions
  1. miR-519b-3p directly binds to the 3' UTR of ARID4B mRNA whose expression was inversely correlated with miR-519b-3p expression. PMID: 29477868
  2. ARID4B overexpression presented in most of primary brain tumors, rather than non-neoplastic brain tissue, and correlated with WHO grades in meningiomas and gliomas. PMID: 27451434
  3. ARID4B was significantly elevated in the serum of excessive alcohol users. PMID: 25704570
  4. Consistent with our genetic analysis and in vivo experiments in our mouse model system, ARID4B expression was also an independent predictor of distant metastasis-free survival in breast cancer patients with ER+ tumors PMID: 22693453
  5. Immunohistochemistry analysis showed that the antigen epitope exhibited positive expression in 65% (39 of 60) breast cancer specimens and negative expression in 60 non-cancerous tissues. A novel breast cancer antigen epitope, SSKKQKRSHK, is identified PMID: 15247124

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Subcellular Location
Nucleus. Cytoplasm.
Tissue Specificity
Highly expressed in the testis and in breast, lung, colon, pancreatic and ovarian cancers. Expressed at low levels in the thymus, prostate and ovary.
Database Links

HGNC: 15550

OMIM: 609696

KEGG: hsa:51742

STRING: 9606.ENSP00000264183

UniGene: Hs.575782

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