InnateDB Protein
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IDBP-3434.5
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Last Modified
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2014-10-13 [Report errors or provide feedback]
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Gene Symbol
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XBP1
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Protein Name
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X-box binding protein 1
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Synonyms
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TREB5; XBP-1; XBP2;
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Species
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Homo sapiens
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Ensembl Protein
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ENSP00000216037
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InnateDB Gene
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IDBG-3430 (XBP1)
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Protein Structure
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Function |
Transcription factor essential for hepatocyte growth, the differentiation of plasma cells, the immunoglobulin secretion, and the unfolded protein response (UPR). Acts during endoplasmic reticulum stress (ER) by activating unfolded protein response (UPR) target genes via direct binding to the UPR element (UPRE). Binds DNA preferably to the CRE-like element 5'- GATGACGTG[TG]N(3)[AT]T-3', and also to some TPA response elements (TRE). Binds to the HLA DR-alpha promoter. Binds to the Tax- responsive element (TRE) of HTLV-I. {ECO:0000269PubMed:11779464, ECO:0000269PubMed:2196176, ECO:0000269PubMed:2321018, ECO:0000269PubMed:8349596, ECO:0000269PubMed:8657566}.
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Subcellular Localization |
Nucleus.
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Disease Associations |
Major affective disorder 7 (MAFD7) [MIM:612371]: A major psychiatric disorder that is characterized by severe mood swings, with fluctuation between two abnormal mood states (manic or major depressive episode). Mania is accompanied by symptoms of euphoria, irritability, or excitation, whereas depression is associated with low mood and decreased motivation and energy. Note=Disease susceptibility may be associated with variations affecting the gene represented in this entry.
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Tissue Specificity |
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Comments |
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Number of Interactions
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This gene and/or its encoded proteins are associated with 34 experimentally validated interaction(s) in this database.
They are also associated with 3 interaction(s) predicted by orthology.
Experimentally validated |
Total |
34
[view]
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Protein-Protein |
28
[view]
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Protein-DNA |
6
[view]
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Protein-RNA |
0
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DNA-DNA |
0
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RNA-RNA |
0
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DNA-RNA |
0
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Predicted by orthology |
Total |
3 [view]
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Molecular Function |
Accession |
GO Term |
GO:0000981
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sequence-specific DNA binding RNA polymerase II transcription factor activity
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GO:0001085
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RNA polymerase II transcription factor binding
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GO:0003677
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DNA binding
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GO:0003700
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sequence-specific DNA binding transcription factor activity
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GO:0043565
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sequence-specific DNA binding
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Biological Process |
GO:0002070
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epithelial cell maturation
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GO:0006355
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regulation of transcription, DNA-templated
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GO:0006366
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transcription from RNA polymerase II promoter
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GO:0006955
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immune response
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GO:0006987
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activation of signaling protein activity involved in unfolded protein response
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GO:0030968
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endoplasmic reticulum unfolded protein response
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GO:0031017
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exocrine pancreas development
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GO:0042493
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response to drug
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GO:0042593
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glucose homeostasis
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GO:0044267
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cellular protein metabolic process
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GO:0045087
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innate immune response (InnateDB)
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GO:0045944
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positive regulation of transcription from RNA polymerase II promoter
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GO:0051602
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response to electrical stimulus
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GO:0060096
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serotonin secretion, neurotransmission
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GO:0060691
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epithelial cell maturation involved in salivary gland development
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GO:0071236
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cellular response to antibiotic
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GO:1900103
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positive regulation of endoplasmic reticulum unfolded protein response
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GO:1901800
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positive regulation of proteasomal protein catabolic process
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Cellular Component |
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PDB ID |
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InterPro |
IPR004827
Basic-leucine zipper domain
IPR008917
Transcription factor, Skn-1-like, DNA-binding domain
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PFAM |
PF00170
PF07716
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PRINTS |
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PIRSF |
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SMART |
SM00338
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TIGRFAMs |
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Modification |
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SwissProt |
P17861
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PhosphoSite |
PhosphoSite-P17861
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TrEMBL |
A0A024R1F0
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UniProt Splice Variant |
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Entrez Gene |
7494
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UniGene |
Hs.437638
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RefSeq |
NP_005071
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HUGO |
HGNC:12801
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OMIM |
194355
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CCDS |
CCDS13847
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HPRD |
01908
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IMGT |
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EMBL |
AB076383
AB076384
BC000938
BC012841
BC015709
CH471095
CR456611
L13850
M31627
X55543
Z93930
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GenPept |
AAA36031
AAH00938
AAH12841
AAH15709
BAB82981
BAB82982
CAA39149
CAB45016
CAG30497
EAW59764
EAW59765
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