RESEARCH: SIGNALING PROTEIN
FOLDING PROJECT #19231 PROFILE

Point mutations in proteins can mess up how cells send signals to each other. This project looks at how even small changes in protein structure can have a big impact on cell signaling pathways, which are important for things like fighting disease and responding to our environment.

Note: This TLDR is a simplication and may not be 100% accurate.

The impact of point-mutations on signaling proteins Mutations in proteins are often found to have dramatic functional consequences through changes in conformational dynamics, ligand binding, and association with signaling partners.

These changes sometimes lead to pathological outcomes as signal transduction problems are involved in diabetes, heart disease, and many cancers.

Additionally, proteins involved in cell signaling are the target of over half of approved drugs.

This project aims to understand how a small number of point-mutants in signaling proteins can cause a dramatic change in how they modulate cell signaling pathways.

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point-mutations

Changes in a single nucleotide of a DNA sequence.

Point mutations are alterations in the DNA code at a single location. These changes can affect how genes are expressed and lead to variations in protein function. They play a crucial role in evolution, genetic disorders, and drug development.

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signaling proteins

Proteins that transmit signals within or between cells.

Signaling proteins are crucial for cell communication. They receive and relay messages through a complex network of interactions, regulating processes like growth, differentiation, and immune responses. Dysregulation in signaling pathways can contribute to diseases such as cancer and diabetes.

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conformational dynamics

Changes in the 3D shape of a protein.

Conformational dynamics refers to the constant movement and flexibility of proteins. These changes in shape are essential for protein function, allowing them to bind to other molecules, catalyze reactions, and transmit signals.

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ligand binding

The process of a molecule (ligand) attaching to a protein.

Ligand binding is crucial for many biological processes. Ligands, such as hormones or drugs, can bind to specific proteins, triggering changes in their shape and function. This interaction plays a vital role in signal transduction, enzyme regulation, and drug action.

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signal transduction

The process of transmitting signals within or between cells.

Signal transduction is a complex cascade of events that allows cells to receive, process, and respond to signals from their environment. These pathways involve proteins, enzymes, and second messengers, ultimately leading to changes in gene expression, metabolism, or cell behavior.

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diabetes

A metabolic disorder characterized by high blood sugar levels.

Diabetes is a chronic condition that affects the body's ability to regulate blood sugar. It occurs when the pancreas doesn't produce enough insulin or when cells become resistant to its effects. This can lead to complications such as heart disease, nerve damage, and vision problems.

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heart disease

A broad term encompassing various conditions affecting the heart.

Heart disease refers to a range of disorders that impact the heart's structure and function. Common types include coronary artery disease, heart failure, and arrhythmias. Risk factors include high blood pressure, smoking, diabetes, and obesity.

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cancers

Uncontrolled growth and spread of abnormal cells.

Cancers are a group of diseases characterized by the uncontrolled proliferation of abnormal cells. They can arise in various parts of the body and often spread to other tissues, disrupting normal bodily functions. Treatment options include surgery, chemotherapy, radiation therapy, and immunotherapy.

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drugs

Substances used to treat or prevent diseases.

Drugs are chemical compounds designed to interact with specific targets in the body, producing therapeutic effects. They can be administered orally, intravenously, or through other routes. Development and approval of new drugs involve rigorous testing and clinical trials.