蛋白
抗体
检测试剂盒
蛋白MARKER
分子生物学
规格：
查看说明书XBP1 Rabbit pAb
Cat#:DPA02152应用：WB,FC,IP
| Product Name: | XBP1 Rabbit pAb |
| Cat No.: | DPA04288 |
| Clonality: | Polyclonal |
| Species Reactivity: | Human |
| Tested Applications: | WB,IHC,ICC/IF,FC |
| Recommended Dilution: | WB: 1:1000-1:5000 IHC: 1:50-1:200 ICC/IF: 1:50-1:200 FC: 1:20 |
| Size: | 30ul 50ul 100uL |
| Format: | Liquid |
| Source: | Rabbit |
| Purification Method: | Affinity Purification |
| Isotype: | IgG |
| Conjugate: | Un-conjugated |
| Storage: | Store at -20°C. Supplied in 50nM Tris-Glycine(pH 7.4), 0.15M NaCl, 40%Glycerol, 0.01% sodium azide a |
| Immunogen: | A synthetic peptide of human XBP1 |
| Calculated Molecular Weight: | 29 kDa |
| Observed Molecular Weight: | 29 kDa |
| GenBank Accession Number: | P17861 |
| Gene ID (NCBI): | 7494 |
| Synonyms: | XBP2; TREB5; XBP-1; TREB-5 |
| Background: | 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] |
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