> Antigen, Antibodies, ELISA, Western Blot > Primary Antibody > Polyclonal Antibodies > BRD4 AntibodyBrand |
Leading Biology | Catalog Number |
APR00337G |
Product Type |
Polyclonal Antibodies | Field of Research |
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Product Overview |
We constantly strive to ensure we provide our customers with the best antibodies. As a result of this work we offer this antibody in purified format.
We are in the process of updating our datasheets. If you have any questions regarding this update, please feel free to contact our technical support team.
This product is a high quality BRD4 Antibody.
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Molecular Weight |
152219 Da
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Cellular Localization |
Antigen Cellular Localization:
Nucleus. Chromosome. Note=Associates with acetylated chromatin. Released from chromatin upon deacetylation of histones that can be triggered by different signals such as activation of the JNK pathway or nocodazole treatment
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Host |
Rabbit
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Species Reactivity |
Human, Mouse, Rat
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Target |
BRD4
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Isotype |
Rabbit IgG
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Symbol |
HUNK1
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GeneID |
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UniProt ID |
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Function |
Chromatin reader protein that recognizes and binds acetylated histones and plays a key role in transmission of epigenetic memory across cell divisions and transcription regulation. Remains associated with acetylated chromatin throughout the entire cell cycle and provides epigenetic memory for postmitotic G1 gene transcription by preserving acetylated chromatin status and maintaining high-order chromatin structure. During interphase, plays a key role in regulating the transcription of signal-inducible genes by associating with the P- TEFb complex and recruiting it to promoters: BRD4 is required to form the transcriptionally active P-TEFb complex by displacing negative regulators such as HEXIM1 and 7SKsnRNA complex from P- TEFb, thereby transforming it into an active form that can then phosphorylate the C-terminal domain (CTD) of RNA polymerase II. Promotes phosphorylation of 'Ser-2' of the C-terminal domain (CTD) of RNA polymerase II. According to a report, directly acts as an atypical protein kinase and mediates phosphorylation of 'Ser-2' of the C-terminal domain (CTD) of RNA polymerase II; these data however need additional evidences in vivo (PubMed:22509028). In addition to acetylated histones, also recognizes and binds acetylated RELA, leading to further recruitment of the P-TEFb complex and subsequent activation of NF-kappa-B. Also acts as a regulator of p53/TP53-mediated transcription: following phosphorylation by CK2, recruited to p53/TP53 specific target promoters.
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Summary |
The acetylation of histone lysine residues plays a crucial role in the epigenetic regulation of gene transcription. A bromodomain is a protein domain that recognizes acetylated lysine residues such as those on the N-terminal tails of histones. This recognition is often a prerequisite for protein-histone association and chromatin remodeling. These domains function in the linking of protein complexes to acetylated nucleosomes, thereby controlling chromatin structure and gene expression. Thus, bromodomains serve as “readers” of histone acetylation marks regulating the transcription of target promoters. The BET family of proteins, defined by tandem Bromodomains and an Extra Terminal domain, include BRD2, BRD3, BRD4, and BRDT. The BET proteins play a key role in many cellular processes, including inflammatory gene expression, mitosis, and viral/host interactions. The isolated individual or tandem bromodomains of BRD2 and BRD4 have been shown to bind acetylated histone tails, serving to couple histone acetylation marks to the transcriptional regulation of target promoters. Small molecule inhibitors of these interactions hold promise as useful therapeutics for human disease.
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Form |
Liquid |
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Storage & Stability |
Store at +4°C short term. For long-term storage, aliquot and store at -20°C or below. Stable for 12 months at -20°C. Avoid repeated freeze-thaw cycles.
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Applications |
WB
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Images |
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Specification |
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Quantity |
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Leading Biology Inc.
2600 Hilltop DR, Building G, B Suite C138
Richmond, CA, 94806
Tel: 1-661-524(LBI)-0262
Email: info@leadingbiology.com
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