X-Box Binding Protein 1 (XBP1) Peptide
XBP1
Reactivity: Human
Host: Synthetic
BP, WB
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- Target See all XBP1 products
- XBP1 (X-Box Binding Protein 1 (XBP1))
- Origin
- Human
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Source
- Synthetic
- Application
- Blocking Peptide (BP), Western Blotting (WB)
- Characteristics
- This is a synthetic peptide designed for use in combination with anti-XBP1 antibody (Catalog #: ARP38553_P050). It may block above mentioned antibody from binding to its target protein in western blot and/or immunohistochecmistry under proper experimental settings. There is no guarantee for its use in other applications.
- Purification
- Purified
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- Application Notes
- Each Investigator should determine their own optimal working dilution for specific applications.
- Restrictions
- For Research Use only
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- Format
- Lyophilized
- Reconstitution
- Add 100 μL of sterile PBS. Final peptide concentration is 1 mg/mL in PBS.
- Concentration
- 1 mg/mL
- Buffer
- Final peptide concentration is 1 mg/mL in PBS.
- Handling Advice
- Avoid repeated freeze-thaw cycles.
- Storage
- -20 °C
- Storage Comment
- For longer periods of storage, store at -20°C. Avoid repeat freeze-thaw cycles.
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- Target
- XBP1 (X-Box Binding Protein 1 (XBP1))
- Synonyms
- treb5 Peptide, xXBP1 Peptide, xbp2 Peptide, XBP1P1 Peptide, XBPP1 Peptide, xbp1 Peptide, TREB5 Peptide, XBP-1 Peptide, XBP2 Peptide, D11Ertd39e Peptide, TREB-5 Peptide, HTF Peptide, cb918 Peptide, id:ibd1195 Peptide, trebf Peptide, wu:fb02h05 Peptide, wu:fb63f10 Peptide, xbp1a Peptide, xbp1b Peptide, X-box binding protein 1 Peptide, X-box binding protein 1 L homeolog Peptide, xbp1 Peptide, XBP1 Peptide, Xbp1 Peptide, xbp1.L Peptide
- Background
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XBP1 is a transcription factor that regulates MHC class II genes by binding to a promoter element referred to as an X box. XBP1 is a bZIP protein, which was also identified as a cellular transcription factor that binds to an enhancer in the promoter of the T cell leukemia virus type 1 promoter. It may increase expression of viral proteins by acting as the DNA binding partner of a viral transactivator.This gene encodes a transcription factor that regulates MHC class II genes by binding to a promoter element referred to as an X box. This gene product is a bZIP protein, which was also identified as a cellular transcription factor that binds to an enhancer in the promoter of the T cell leukemia virus type 1 promoter. It may increase expression of viral proteins by acting as the DNA binding partner of a viral transactivator. It has been found that upon accumulation of unfolded proteins in the endoplasmic reticulum (ER), the mRNA of this gene is processed to an active form by an unconventional splicing mechanism that is mediated by the endonuclease inositol-requiring enzyme 1 (IRE1). The resulting loss of 26 nt from the spliced mRNA causes a frame-shift and an isoform XBP1(S), which is the functionally active transcription factor. The isoform encoded by the unspliced mRNA, XBP1(U), is constitutively expressed, and thought to function as a negative feedback regulator of XBP1(S), which shuts off transcription of target genes during the recovery phase of ER stress. A pseudogene of XBP1 has been identified and localized to chromosome 5.
Alias Symbols: TREB5, XBP2
Protein Interaction Partner: ESR1,FOXA1,POLR2A,ESR1,FOS,XBP1,ESR1,FOS,IRE1
Protein Size: 261 - Molecular Weight
- 29 kDa
- Gene ID
- 7494
- NCBI Accession
- NM_005080, NP_005071
- UniProt
- P17861
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