• STJ73492 (1µg/ml) staining of Mouse Testes lysate (35µg protein in RIPA buffer). Detected by chemiluminescence.

Anti-BRD4 antibody (Internal) (STJ73492)

SKU:
STJ73492-100

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Host: Goat
Applications: Pep-ELISA/WB
Reactivity: Human/Mouse/Rat/Dog
Note: STRICTLY FOR FURTHER SCIENTIFIC RESEARCH USE ONLY (RUO). MUST NOT TO BE USED IN DIAGNOSTIC OR THERAPEUTIC APPLICATIONS.
Short Description: Goat polyclonal antibody anti-BRD4 (Internal) is suitable for use in ELISA and Western Blot research applications.
Clonality: Polyclonal
Conjugation: Unconjugated
Isotype: IgG
Formulation: 0.5 mg/ml in Tris saline, 0.02% sodium azide, pH7.3 with 0.5% bovine serum albumin. NA
Purification: Purified from goat serum by ammonium sulphate precipitation followed by antigen affinity chromatography using the immunizing peptide.
Concentration: 0.5 mg/mL
Dilution Range: WB-0.5-2µg/ml
ELISA-antibody detection limit dilution 1:8000.
Storage Instruction: Store at-20°C on receipt and minimise freeze-thaw cycles.
Gene Symbol: BRD4
Gene ID: 23476
Uniprot ID: BRD4_HUMAN
Immunogen Region: Internal
Accession Number: NP_490597.1; NP_055114.1
Specificity: This antibody is expected to recognize both reported isoforms (NP_490597.1; NP_055114.1).
Immunogen Sequence: PETSNPNKPKRQTNQ
Post Translational Modifications Phosphorylation by CK2 disrupt the intramolecular binding between the bromo domain 2 and the NPS region and promotes binding between the NPS and the BID regions, leading to activate the protein and promote binding to acetylated histones. In absence of phosphorylation, BRD4 does not localize to p53/TP53 target gene promoters, phosphorylation promoting recruitment to p53/TP53 target promoters.
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. Also recruits P-TEFb complex to distal enhancers, so called anti-pause enhancers in collaboration with JMJD6. BRD4 and JMJD6 are 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. 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. Isoform B: Acts as a chromatin insulator in the DNA damage response pathway. Inhibits DNA damage response signaling by recruiting the condensin-2 complex to acetylated histones, leading to chromatin structure remodeling, insulating the region from DNA damage response by limiting spreading of histone H2AX/H2A.x phosphorylation.
Protein Name Bromodomain-Containing Protein 4
Protein Hunk1
Database Links Reactome: R-HSA-9679191
Cellular Localisation Nucleus
Chromosome
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
Preferentially Localizes To Mitotic Chromosomes
While It Does Not Localize To Meiotic Chromosomes
Isoform B: Chromosome
Alternative Antibody Names Anti-Bromodomain-Containing Protein 4 antibody
Anti-Protein Hunk1 antibody
Anti-BRD4 antibody
Anti-HUNK1 antibody

Information sourced from Uniprot.org

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