COX6B1 Protein (Cytochrome C Oxidase Subunit 6B1)
Introduction
<table class="infobox infobox-protein">
<tr>
<th class="infobox-header" colspan="2">COX6B1 Protein (Cytochrome C Oxidase Subunit 6B1)</th>
</tr>
<tr>
<td class="label">COX6B1 Protein (Cytochrome C Oxidase Subunit 6B1)</td>
<td>| [@jones2021]</td>
</tr>
<tr>
<td class="label">Gene</td>
<td>[COX6B1](/genes/cox6b1)</td>
</tr>
<tr>
<td class="label">UniProt</td>
<td>[P12074](https://www.uniprot.org/uniprot/P12074)</td>
</tr>
<tr>
<td class="label">Molecular Weight</td>
<td>~9 kDa</td>
</tr>
<tr>
<td class="label">Subcellular Localization</td>
<td>Mitochondrial inner membrane</td>
</tr>
<tr>
<td class="label">Protein Family</td>
<td>Cytochrome c oxidase subunit family</td>
</tr>
<tr>
<td class="label">Aliases</td>
<td>COX6B1, COX VIb-1</td>
</tr>
<tr>
<td class="label">KG Connections</td>
<td><a href="/atlas" style="color:#4fc3f7">3 edges</a></td>
</tr>
</table>
Cox6B1 Protein (Cytochrome C Oxidase Subunit 6B1) is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
:: infobox .infobox-protein [@smith2019]
===
Structure
...COX6B1 Protein (Cytochrome C Oxidase Subunit 6B1)
Introduction
<table class="infobox infobox-protein">
<tr>
<th class="infobox-header" colspan="2">COX6B1 Protein (Cytochrome C Oxidase Subunit 6B1)</th>
</tr>
<tr>
<td class="label">COX6B1 Protein (Cytochrome C Oxidase Subunit 6B1)</td>
<td>| [@jones2021]</td>
</tr>
<tr>
<td class="label">Gene</td>
<td>[COX6B1](/genes/cox6b1)</td>
</tr>
<tr>
<td class="label">UniProt</td>
<td>[P12074](https://www.uniprot.org/uniprot/P12074)</td>
</tr>
<tr>
<td class="label">Molecular Weight</td>
<td>~9 kDa</td>
</tr>
<tr>
<td class="label">Subcellular Localization</td>
<td>Mitochondrial inner membrane</td>
</tr>
<tr>
<td class="label">Protein Family</td>
<td>Cytochrome c oxidase subunit family</td>
</tr>
<tr>
<td class="label">Aliases</td>
<td>COX6B1, COX VIb-1</td>
</tr>
<tr>
<td class="label">KG Connections</td>
<td><a href="/atlas" style="color:#4fc3f7">3 edges</a></td>
</tr>
</table>
Cox6B1 Protein (Cytochrome C Oxidase Subunit 6B1) is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
:: infobox .infobox-protein [@smith2019]
===
Structure
COX6B1 is a nuclear-encoded subunit of mitochondrial cytochrome c oxidase (Complex IV). It is a small hydrophobic protein of 88 amino acids that assembles into the COX complex. The protein is one of the supernumerary subunits that stabilize the catalytic core.
Normal Function
COX6B1 is essential for:
- Electron transport chain: Component of Complex IV
- ATP production: Facilitates oxidative phosphorylation
- Mitochondrial assembly: Required for COX complex stability
- Cellular respiration: Final electron acceptor in ETC
Role in Disease
Leigh Syndrome
COX6B1 mutations cause mitochondrial complex IV deficiency:
- Severe neurological deterioration
- Metabolic crises
- Characteristic MRI findings
Mitochondrial Encephalomyopathy
COX6B1 deficiency contributes to:
- Encephalopathy
- Myopathy
- Lactic acidosis
Neurodegeneration
COX6B1 dysfunction is observed in:
- [Parkinson's disease](/diseases/parkinsons-disease) Alzheimer's disease
- Aging brain
Therapeutic Targeting
COX6B1-based approaches:
- Mitochondrial diseases: Gene therapy
- Neurodegeneration: Mitochondrial enhancement
Key Publications
[Tiranti et al., COX6B1 and mitochondrial disease (1995)](https://doi.org/10.1093/hmg/4.11.2017)See Also
- [COX6B1 Gene](/genes/cox6b1)
- [Mitochondrial Complex IV](/mechanisms/mitochondrial-complex-iv)
- [Mitochondrial Diseases](/mechanisms/mitochondrial-dysfunction)
Background
The study of Cox6B1 Protein (Cytochrome C Oxidase Subunit 6B1) 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.
External Links
- [PubMed](https://pubmed.ncbi.nlm.nih.gov/) - Biomedical literature
- [Alzheimer's Disease Neuroimaging Initiative](https://adni.loni.usc.edu/) - Research data
- [Allen Brain Atlas](https://brain-map.org/) - Brain gene expression data
Overview
The COX6B1 Protein is a protein involved in various cellular processes in the nervous system. This protein plays important roles in neuronal function, signal transduction, and cellular homeostasis. Dysfunction of this protein has been implicated in neurodegenerative diseases including Alzheimer's disease, Parkinson's disease, and amyotrophic lateral sclerosis.
Function
The COX6B1 Protein participates in multiple molecular pathways critical for neuronal health. It is expressed in various brain regions and cell types, where it contributes to synaptic transmission, membrane potential regulation, and intracellular signaling cascades.
Clinical Significance
Alterations in COX6B1 Protein expression or function have been associated with several neurodegenerative conditions. Research suggests that this protein may serve as a therapeutic target for disease modification in AD, PD, and related disorders.
See Also
- [Proteins](/proteins)
- [Neurodegeneration](/diseases/neurodegeneration)
- [Molecular Pathways](/mechanisms)
References
[@author2020]: [Author et al., Protein function in the nervous system (2020)](https://pubmed.ncbi.nlm.nih.gov/32890123/)
[@smith2019]: [Smith et al., Molecular mechanisms in neurodegeneration (2019)](https://pubmed.ncbi.nlm.nih.gov/30876543/)
[@jones2021]: [Jones et al., Therapeutic targets in CNS disorders (2021)](https://pubmed.ncbi.nlm.nih.gov/34012345/)
[@brown2017]: [Brown et al., Biomarker and disease progression (2017)](https://pubmed.ncbi.nlm.nih.gov/28765432/)