Recombinant TRIM33 (959-1069) protein


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Cat.No.:  PE-3612
Product Name:  Recombinant TRIM33 (959-1069) protein
Product Overview:  The peptide corresponding to amino acids 959 - 1059 that contains the bromodomain sequences of TRIM33 (accession number NP_056990.3) was expressed in E. coli and contains an N-terminal His-Tag and C-terminal FLAG-Tag with an observed molecular weight of 17.7 kDa.
Background:  Tripartite motif-containing 33 (TRIM33) protein, also known as TIF1γ, is a member of the transcriptional intermediary factor 1 (TIF1) family that control transcription and chromatin remodeling through their interaction with transcription factors. The family includes TRIM24 (TIF1α), TRIM28 (TIF1β) and TRIM33 (TIF1γ) that share a characteristic domain structure comprised of multiple histone-binding domains, an N-terminal TRIM region (containing a RING domain, B box type 1 and type 2 domains, and a coiled-coil region), and a C-terminal bromodomain and PHD finger. Bromodomains function as ‘readers’ of epigenetic histone marks and regulate chromatin structure and gene expression by linking associated proteins to the recognized acetylated nucleosomal targets. TRIM33 is an E3 ubiquitin protein ligase that promotes SMAD4 ubiquitination, nuclear exclusion and degradation via the ubiquitin proteasome pathway. TRIM33 does not affect SMAD4 levels but rather acts as an inhibitor of the SMAD4-dependent TGFβ/BMP signaling cascade by monoubiquitinating SMAD4 and hampering its ability to form a stable complex with activated SMAD2/3. TRIM33 may also act as a transcriptional corepressor. It has also been shown to associate with SMAD2 and SMAD3 and stimulate differentiation of hematopoietic stem cells. Additionally, TRIM33 associates with TRIM24 and plays a role in the control of cell proliferation.
Applications:  Suitable for use in binding assays, inhibitor screening, and selectivity profiling.
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.
Appearance:  Liquid
Species:  Human
Formulation:  25 mM Tris pH 8.0, 300 mM NaCl and 5% glycerol.
Tag:  His & FLAG
Expression System:  E. coli
Warning:  This product is for research use only. Not for use in diagnostic or therapeutic procedures.

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For Research Use Only. Not for use in diagnostic or therapeutic procedures.

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