| Cat.No.: | PE-3123 |
| Product Name: | BRD3-Tndm (His) |
| Description: | Human recombinant BRD3, tandem construct comprising bromodomains 1 and 2, expressed in E. coli. BRD3, like other human members of the BET family of chromatin-binding proteins (BRD2, BRD4, BRDT), comprises two bromodomains, protein modules that bind epsilon-N-acetyllysine residues. Recent results suggest an important role for BRD3 in linking acetylation of both histones and non-histone proteins to gene transcription. When overexpressed in 293 cells, BRD3, along with BRD2, binds the hyperacetylated chromatin of transcribed genes, regions enriched in acetylated histone H4 lysine-5 (H4K5Ac), H4K12Ac, H3K14Ac, but deficient in H4K16Ac and H3K9me. In an in vitro RNA polymerase II transcription system, binding of either BRD3 or BRD2 to a chromatin template assembled with hyperacetylated histones enabled transcription through the nucleosomes. Although BRD3-2 (BRD3 bromodomain 2) has been shown to bind tetracetylated histone H4 tail sequence (H4K5AcK8AcK12AcK16Ac), the interaction is weaker than that of BRD3-1. The BET family inhibitor, I-BET151, has shown efficacy in mouse models of MLL-fusion leukemias, displacing BRD3 and BRD4 from chromatin and inhibiting transcription of genes, e.g. BCL2, upregulated by the MLL-fusions. |
| Storage: | Store at 4℃ if entire vial will be used within 2-4 weeks. Store at -20℃ or -80℃ for longer periods of time. Avoid multiple freeze-thaw cycles. |
| Molecular Weight: | 50.0 kDa |
| Species: | Human |
| Formulation: | Solution of purified recombinant protein in 50 mM Tris/HCl, pH 7.5, 150 mM NaCl, 1.0 mM TCEP, 10% glycerol (v/v). |
| Accession#: | NM_007371 |
| Tag: | His |
| Protein Length: | 1-434 |
| Warning: | This product is for research use only. Not for use in diagnostic or therapeutic procedures. |
| Product Types | ||
| ◆ Synthetic Peptides | ||
| SP-0001 | Bromodomain Non-Acetylated Ligand 4 | Inquiry |
| SP-0002 | Bromodomain Non-Acetylated Ligand 3 | Inquiry |
| SP-0003 | Bromodomain Non-Acetylated Ligand 1 | Inquiry |
| SP-0004 | Bromodomain Ligand 3 | Inquiry |
| SP-0006 | Bromodomain Ligand 4 | Inquiry |
| Related Gene / Proteins | |||
| BRCA1 | BRCA2 | BRCC3 | BRD |
| brd1 | brd2 | brd3 | brd4 |
| BRD7 | BRD8 | brd9 | brdt |
| BRL | BRM | BRMS1 | BRPF1 |
| BRPF2 | brpf3 | BRWD1 | BRWD3 |
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