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- Table of Contents
2 Citations 17 Q&As
1 Citations 5 Q&As
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 | |
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Gene Name: | XBP1 |
Uniprot: | P17861 |
Entrez: | 7494 |
Belongs to: |
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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 | |
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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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