XBP1 (clone 1C4), anti-human
€421.00
In stock
SKU
252995
Protein Family: Transcription factors
Pathway and Disease: Transcription
Description:
XBP1 (X-box-binding protein 1) 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. 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.
Alternate Names: X-box-binding protein 1, XBP-1, Tax-responsive element-binding protein 5, TREB5, XBP2, XBP1
Application Notes: WB: 1:500-1:2000
Accession No.: P17861
Antigen: Purified recombinant fragment of human XBP1 expressed in E. coli.
Format: Each vial contains 0.1 ml ascitic fluid with 0.03% sodium azide.
Storage:
Store at 4°C for short term use only. Store at -20°C for storage over 1 month. Product is guaranteed 6 months from the date of shipment.
Pathway and Disease: Transcription
Description:
XBP1 (X-box-binding protein 1) 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. 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.
Alternate Names: X-box-binding protein 1, XBP-1, Tax-responsive element-binding protein 5, TREB5, XBP2, XBP1
Application Notes: WB: 1:500-1:2000
Accession No.: P17861
Antigen: Purified recombinant fragment of human XBP1 expressed in E. coli.
Format: Each vial contains 0.1 ml ascitic fluid with 0.03% sodium azide.
Storage:
Store at 4°C for short term use only. Store at -20°C for storage over 1 month. Product is guaranteed 6 months from the date of shipment.
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