TAOK2 Protein

TAOK2 Protein

Introduction

<table class="infobox infobox-protein">
<tr>
<th class="infobox-header" colspan="2">TAOK2 Protein</th>
</tr>
<tr>
<td class="label">Gene Symbol</td>
<td>TAOK2</td>
</tr>
<tr>
<td class="label">Protein Name</td>
<td>Thousand and One Amino Acid Kinase 2</td>
</tr>
<tr>
<td class="label">Alternative Names</td>
<td>TAOK2, TAOK2, TAOK-beta</td>
</tr>
<tr>
<td class="label">UniProt ID</td>
<td>Q9HAE7</td>
</tr>
<tr>
<td class="label">Molecular Weight</td>
<td>~123 kDa</td>
</tr>
<tr>
<td class="label">Protein Family</td>
<td>MAP4K family, TAOK subfamily</td>
</tr>
<tr>
<td class="label">Tissue Distribution</td>
<td>Brain, high in [cortex](/brain-regions/cortex) and [hippocampus](/brain-regions/hippocampus)</td>
</tr>
<tr>
<td class="label">KG Connections</td>
<td><a href="/atlas" style="color:#4fc3f7">2 edges</a></td>
</tr>
</table>

Taok2 Protein is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.

Overview

TAOK2 Protein

Introduction

<table class="infobox infobox-protein">
<tr>
<th class="infobox-header" colspan="2">TAOK2 Protein</th>
</tr>
<tr>
<td class="label">Gene Symbol</td>
<td>TAOK2</td>
</tr>
<tr>
<td class="label">Protein Name</td>
<td>Thousand and One Amino Acid Kinase 2</td>
</tr>
<tr>
<td class="label">Alternative Names</td>
<td>TAOK2, TAOK2, TAOK-beta</td>
</tr>
<tr>
<td class="label">UniProt ID</td>
<td>Q9HAE7</td>
</tr>
<tr>
<td class="label">Molecular Weight</td>
<td>~123 kDa</td>
</tr>
<tr>
<td class="label">Protein Family</td>
<td>MAP4K family, TAOK subfamily</td>
</tr>
<tr>
<td class="label">Tissue Distribution</td>
<td>Brain, high in [cortex](/brain-regions/cortex) and [hippocampus](/brain-regions/hippocampus)</td>
</tr>
<tr>
<td class="label">KG Connections</td>
<td><a href="/atlas" style="color:#4fc3f7">2 edges</a></td>
</tr>
</table>

Taok2 Protein is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.

Overview

TAOK2 (Thousand and One Amino Acid Kinase 2), also known as TAOK2, is a serine/threonine protein kinase belonging to the MAP4K family. TAOK2 is closely related to TAOK1 and plays important roles in stress-activated signaling, neuronal development, and synaptic function. It is a critical regulator of cytoskeletal dynamics and signal transduction in the brain [@tassi1999][@chen2000].

Protein Information

Structure

TAOK2 has a similar structure to TAOK1:

TAOK2 can form homodimers and heterodimers with TAOK1 [@dan2001].

Normal Function

Stress-Activated Signaling

TAOK2 activates MAPK pathways:

• p38 activation — Phosphorylates and activates MKK3/MKK6
• JNK pathway — Can activate JNK signaling
• ERK activation — Contributes to ERK pathway
• Stress response — Activated by oxidative stress, cytokines

Neuronal Development

TAOK2 is crucial for neuronal development:

• Dendritogenesis — Regulates dendritic branch formation
• Axon guidance — Controls axonal outgrowth
• Synaptogenesis — Modulates synapse formation
• Neuronal polarity — Establishes axon-dendrite polarity [@zhou2004][@zhang2007]

Synaptic Function

In mature [neurons](/entities/neurons):

• Synaptic plasticity — Regulates [LTP](/mechanisms/long-term-potentiation) and LTD
• AMPA receptor trafficking — Modulates synaptic strength
• [NMDA](/entities/nmda-receptor) receptor signaling — Affects NMDA receptor function
• Postsynaptic density — Regulates PSD-95 organization

Role in Neurodegeneration

Alzheimer's Disease

TAOK2 is implicated in AD:

• [Tau](/proteins/tau) phosphorylation — Can phosphorylate tau at pathological sites
• Synaptic loss — Contributes to synaptic dysfunction
• Neuronal death — Activated by [Aβ](/proteins/amyloid-beta) toxicity
• Cognitive deficits — Associated with memory impairment [@liu2013]

Intellectual Disability and Autism

TAOK2 is one of the most frequently mutated genes in neurodevelopmental disorders:

• De novo mutations — Causative in ID and autism
• Synaptic dysfunction — Disrupted synaptic plasticity
• Dendritic abnormalities — Altered neuronal morphology
• Behavioral deficits — Learning and social deficits [@dgama2015]

Parkinson's Disease

• Dopaminergic signaling — Modulates dopamine transmission
• LRRK2 interaction — May interact with LRRK2 pathway

Therapeutic Implications

TAOK2 is a potential therapeutic target:

• Kinase inhibitors — Could treat neurodevelopmental disorders
• Neuroprotection — Prevent neuronal dysfunction
• Synaptic enhancement — Improve synaptic plasticity

Key Publications

See Also

• [TAOK1 Gene](/genes/taok1)
• [TAOK2 Gene](/genes/taok2)
• [Signal Transduction](/mechanisms/signal-transduction)
• [MAP Kinase Signaling](/mechanisms/mapk-signaling-neurodegeneration)
• [Alzheimer's Disease](/diseases/alzheimers-disease)
• [Autism Spectrum Disorder](/diseases/autism)

Background

The study of Taok2 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.

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

References