YBX1 (Y-Box Binding Protein 1) is a multifunctional DNA- and RNA-binding protein that plays critical roles in transcriptional regulation, mRNA splicing, translation, and stress response. As a member of the Y-box binding protein family, YBX1 contains a conserved cold-shock domain (CSD) that enables nucleic acid binding. In the central nervous system (CNS), YBX1 is essential for neuronal development, stress granule dynamics, protein quality control, and maintenance of RNA homeostasis. Dysregulation of YBX1 function has been implicated in several neurodegenerative diseases, including amyotrophic lateral sclerosis (ALS), Parkinson's disease (PD), and Alzheimer's disease (AD).
--- [@ybxa] title: YBX1 Protein [@ybxb] description: Protein page for Y-Box Binding Protein 1 [@ybxc]
--- [@ybxd]
<div class="infobox infobox-protein"> [@stress]
| | | [@ybxe] |---|---| [@rna] | Protein Name | Y-Box Binding Protein 1 | | Gene | [YBX1](/proteins/ybx1-protein) | | UniProt ID | [P62962](https://www.uniprot.org/uniprot/P62962) | | PDB ID | 1L3L, 1L3N, 5WWJ | | Molecular Weight | 36 kDa | | Subcellular Localization | Nucleus, cytoplasm, stress granules | | Protein Family | Y-box binding protein family (YBX1, YBX2, YBX3) | | Expression | Broad: high in brain, especially hippocampus and cortex |
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Overview
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YBX1 Protein
Introduction
YBX1 (Y-Box Binding Protein 1) is a multifunctional DNA- and RNA-binding protein that plays critical roles in transcriptional regulation, mRNA splicing, translation, and stress response. As a member of the Y-box binding protein family, YBX1 contains a conserved cold-shock domain (CSD) that enables nucleic acid binding. In the central nervous system (CNS), YBX1 is essential for neuronal development, stress granule dynamics, protein quality control, and maintenance of RNA homeostasis. Dysregulation of YBX1 function has been implicated in several neurodegenerative diseases, including amyotrophic lateral sclerosis (ALS), Parkinson's disease (PD), and Alzheimer's disease (AD).
--- [@ybxa] title: YBX1 Protein [@ybxb] description: Protein page for Y-Box Binding Protein 1 [@ybxc]
--- [@ybxd]
<div class="infobox infobox-protein"> [@stress]
| | | [@ybxe] |---|---| [@rna] | Protein Name | Y-Box Binding Protein 1 | | Gene | [YBX1](/proteins/ybx1-protein) | | UniProt ID | [P62962](https://www.uniprot.org/uniprot/P62962) | | PDB ID | 1L3L, 1L3N, 5WWJ | | Molecular Weight | 36 kDa | | Subcellular Localization | Nucleus, cytoplasm, stress granules | | Protein Family | Y-box binding protein family (YBX1, YBX2, YBX3) | | Expression | Broad: high in brain, especially hippocampus and cortex |
</div>
Overview
YBX1 (Y-Box Binding Protein 1) is a multifunctional DNA/RNA-binding protein that acts as a transcriptional regulator and mRNA stabilizer. It belongs to the Y-box binding protein family and is involved in various cellular processes including cell proliferation, differentiation, stress response, and [apoptosis](/entities/apoptosis). YBX1 is ubiquitously expressed with high levels in neuronal tissues. In neurodegenerative diseases, YBX1 has been implicated in ALS through its role in RNA metabolism and stress granule formation.
The study of Ybx1 Protein has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.