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D-box binding PAR bZIP transcription factor (DBP)
- Target
- DBP
- Molecular classification
- Transcription factor, PAR bZIP family (proline and acidic amino acid–rich basic leucine zipper transcription factors)
01
Overview
D-box binding PAR bZIP transcription factor (DBP) is a protein-coding transcription factor belonging to the PAR bZIP (Proline and Acidic amino acid–Rich basic leucine Zipper) family. It binds as a homo- or heterodimer to specific DNA promoter sequences and regulates the transcription of genes implicated in circadian rhythm, including albumin and CYP enzymes. DBP is notable for its pronounced circadian expression pattern, with mRNA and protein levels varying over the day, peaking in the evening. Diseases associated with DBP include type 2 diabetes mellitus, diabetes mellitus, and osteoporosis (mouse ortholog association). There are currently no known drugs targeting DBP directly, nor is it used as a biomarker in clinical settings.
- Other names
- DBPDABPD site of albumin promoter (albumin D-box) binding proteinAlbumin D-element-binding proteinAlbumin D Box-Binding ProteinD Site-Binding ProteinTax-Responsive Enhancer Element-Binding Protein 302TaxREB302
02
Mechanism of action
Not applicable. No drugs target DBP directly; its biological activity is through transcriptional regulation
03
Biological functions
Binding to specific DNA sequences in gene promoters, such as albumin, CYP2A4, and CYP2A5Regulation of circadian rhythm genesModulation of clock output genes and possibly sleep regulationTranscriptional activation
04
Disease associations
Type 2 diabetes mellitusDiabetes mellitusOsteoporosis (mouse ortholog, human association)
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