Anti-XBP1 (AB2) antibody produced in rabbit

NA.41

Synthetic peptide directed towards the N terminal region of human XBP1

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.

Synthetic peptide located within the following region: LMVPAQRGASPEAASGGLPQARKRQRLTHLSPEEKALRRKLKNRVAAQTA

Purified antibody supplied in 1x PBS buffer with 0.09% (w/v) sodium azide and 2% sucrose.

rabbit

100

unconjugated

affinity isolated antibody

primary antibodies

polyclonal

buffered aqueous solution

29 kDa

human

0.5 mg - 1 mg/mL

immunohistochemistry: suitable
western blot: suitable

NP_001073007

P17861

wet ice

−20℃

human ... XBP1(7494)

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12 - Non Combustible Liquids

WGK 2