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- Table of Contents
Designing a Western blot for X-box-binding protein 1? The guide has the expected band size, antibodies backed by real blot images, the controls to run alongside, and protocols taken from published papers.
Open the XBP1 Western Blot Guide
7 Citations
Facts about X-box-binding protein 1.
Involved in terminal differentiation of B lymphocytes to plasma cells and production of immunoglobulins (PubMed:11460154). Modulates the cellular response to ER stress in a PIK3R-dependent way (PubMed:20348923).
| Human | |
|---|---|
| Gene Name: | XBP1 |
| Uniprot: | P17861 |
| Entrez: | 7494 |

| Belongs to: |
|---|
| bZIP family |

HTF; TREB5; X-box binding protein 1; X-box-binding protein 1; XBP1; XBP-1; XBP2; XBP2Tax-responsive element-binding protein 5
Mass (kDA):
28.695 kDA

| Human | |
|---|---|
| Location: | 22q12.1|22q12 |
| Sequence: | 22; NC_000022.11 (28794560..28800572, complement) |
Expressed in plasma cells in rheumatoid synovium (PubMed:11460154). Over-expressed in primary breast cancer and metastatic breast cancer cells (PubMed:25280941). Isoform 1 and isoform 2 are expressed at higher level in proliferating as compared to confluent quiescent endothelial cells (PubMed:19416856).
Endoplasmic reticulum. Colocalizes with ERN1 and KDR in the endoplasmic reticulum in endothelial cells in a vascular endothelial growth factor (VEGF)-dependent manner (PubMed:23529610).; [Isoform 1]: Nucleus. Cytoplasm. Endoplasmic reticulum membrane; Single-pass type II membrane protein. Endoplasmic reticulum membrane; Peripheral membrane protein. Membrane; Peripheral membrane protein. Shows no preferential localization to either the nucleus or the cytoplasm (By similarity). Shuttles between the nucleus and the cytoplasm in a CRM1-dependent manner (PubMed:16461360). Localizes predominantly at






PMID: 2321018 by Liou H.-C., et al. A new member of the leucine zipper class of proteins that binds to the HLA DR alpha promoter.
PMID: 2196176 by Yoshimura T., et al. Multiple cDNA clones encoding nuclear proteins that bind to the tax- dependent enhancer of HTLV-1: all contain a leucine zipper structure and basic amino acid domain.
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