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Home TrueClone XBP1 Clone

XBP1 (NM_001079539) Human cDNA Clone

Specifications Citations Clones of Other Species Product Documents
SKU Description Price Availibility*  
SC315541 XBP1 (untagged)-Human X-box binding protein 1 (XBP1), transcript variant 2 (10ug) NM_001079539.1, 10ug $570 In Stock
TF81001 TurboFectin, High performance Transfection reagent (1ml/vial) $420 In Stock
TA306288 Rabbit Polyclonal XBP-1 Antibody, 100ug $325 3-7 Days
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Also for XBP1 (NM_001079539)
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OriGene Data
Vector:pCMV6-XL5 Insert Size: 1800 Restriction Site:
Sequence Data: Fully Sequenced ORF          5' Read Nucleotide Sequence          3' Read Nucleotide Sequence         
OTI Annotation: The open reading frame of this TrueClone was fully sequenced and found to be a perfect match to the protein associated to this reference.
OTI Disclaimer: Our molecular clone sequence data has been matched to the reference identifier above as a point of reference. Note that the complete sequence of our molecular clones may differ from the sequence published for this corresponding reference, e.g., by representing an alternative RNA splicing form or single nucleotide polymorphism (SNP).
Product Components: The cDNA clone is shipped in a 2-D bar-coded Matrix tube as dried plasmid DNA. The package also includes 100 pmols of both the corresponding 5' and 3' vector primers in separate vials. Every lot of primer is tested to provide clean sequencing of OriGene TrueClones.
Protein Families: Transcription Factors
Reference Data
RefSeq: NM_001079539.1, NP_001073007
RefSeq Size: 1810 RefSeq ORF: 1131
Synonyms : TREB5; XBP-1; XBP2
LocusID: 7494 Cytogenetic: 22q12.1
Summary: 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. [provided by RefSeq, Jul 2008].

Transcript Variant: This variant (2) lacks a 26 nt segment in the CDS compared to variant 1, that causes a frameshift. The resulting isoform, XBP1(S), has the same N-terminus, but a longer and distinct C-terminus compared to isoform XBP1(U). Isoform XBP1(S) functions as a transcription factor.

* Delivery time is an estimate in business days. Occasional delays may occur due to unforeseen complexities in the preparation of your construct. International customers may expect an additional 1-2 weeks in shipping

 

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