Recombinant Xenopus laevis Interleukin enhancer-binding factor 3-A(ilf3-a) ,partial

Code CSB-YP849594XBE
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Source Yeast
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Code CSB-EP849594XBE
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Source E.coli
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Code CSB-EP849594XBE-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP849594XBE
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Source Baculovirus
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Code CSB-MP849594XBE
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Source Mammalian cell
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Product Details

Purity >85% (SDS-PAGE)
Target Names ilf3-a
Uniprot No. Q91550
Alternative Names ilf3-a; ilf3; ubp3Interleukin enhancer-binding factor 3-A; CCAAT box transcription factor subunit; Double-stranded RNA-binding protein 4F.1; DsRNA-binding protein 4F.1
Species Xenopus laevis (African clawed frog)
Protein Length Partial
Tag Info The following tags are available.
N-terminal His-tagged
Tag-Free
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form 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.
Buffer before Lyophilization Tris/PBS-based buffer, 6% Trehalose, pH 8.0
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting
and FAQs
Protein 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 Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet Please contact us to get it.

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Target Background

Function
RNA-binding protein that plays an essential role in the biogenesis of circular RNAs (circRNAs) which are produced by back-splicing circularization of pre-mRNAs. Within the nucleus, promotes circRNAs processing by stabilizing the regulatory elements residing in the flanking introns of the circularized exons. Plays thereby a role in the back-splicing of a subset of circRNAs. As a consequence, participates in a wide range of transcriptional and post-transcriptional processes. Binds to poly-U elements and AU-rich elements (AREs) in the 3'-UTR of target mRNAs. Upon viral infection, ILF3 accumulates in the cytoplasm and participates in the innate antiviral response. Mechanistically, ILF3 becomes phosphorylated and activated by the double-stranded RNA-activated protein kinase/PKR which releases ILF3 from cellular mature circRNAs. In turn, unbound ILF3 molecules are able to interact with and thus inhibit viral mRNAs. Has a cytoplasmic role early in development as part of a ribonucleoprotein (mRNP) complex which may regulate mRNA transport and/or translation. Following nuclear localization at the mid-blastula transition, acts as a transcription factor and binds the 5'-CCAAT-3' promoter sequence to regulate transcription of the gata2 gene as a subunit of the CCAAT box transcription factor (CBTF). Its role as an mRNP component negatively regulates its activity as a transcription factor by precluding its nuclear localization.
Gene References into Functions
  1. Studies suggest a two-component model for the binding of CBTF with gata2 promoter, requiring both a CCAAT and A-form DNA, and the double stranded RNA binding domains (dsRBDs) of CBTF component Xilf3 must be active for both binding to the promoter. PMID: 19665599
Subcellular Location Nucleus. Cytoplasm.
Tissue Specificity Expressed mainly in the ectoderm (at protein level).
Database Links

UniGene: Xl.3647

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