Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Cooperative Allosteric Transitions01:58

Cooperative Allosteric Transitions

8.0K
Cooperative allosteric transitions can occur in multimeric proteins, where each subunit of the protein has its own ligand-binding site. When a ligand binds to any of these subunits, it triggers a conformational change that affects the binding sites in the other subunits; this can change the affinity of the other sites for their respective ligands. The ability of the protein to change the shape of its binding site is attributed to the presence of a mix of flexible and stable segments in the...
8.0K
Allosteric Proteins-ATCase01:19

Allosteric Proteins-ATCase

5.8K
Binding sites linkages can regulate a protein's function.  For example, enzyme activity is often regulated through a feedback mechanism where the end product of the biochemical process serves as an inhibitor.
Aspartate transcarbamoylase (ATCase) is a cytosolic enzyme that catalyzes the condensation of L-aspartate and carbamoyl phosphate to  N-carbamoyl-L-aspartate. This reaction is the first step in pyrimidine biosynthesis. UTP and CTP, the end products of the pyrimidine synthesis...
5.8K
Allosteric Regulation01:08

Allosteric Regulation

58.7K
Allosteric regulation of enzymes occurs when the binding of an effector molecule to a site that is different from the active site causes a change in the enzymatic activity. This alternate site is called an allosteric site, and an enzyme can contain more than one of these sites. Allosteric regulation can either be positive or negative, resulting in an increase or decrease in enzyme activity. Most enzymes that display allosteric regulation are metabolic enzymes involved in the degradation or...
58.7K
Ligand Binding and Linkage00:49

Ligand Binding and Linkage

4.9K
Allosteric proteins have more than one ligand binding site; the binding of a ligand to any of these sites influences the binding of ligands to the other sites. When a protein is allosteric, its binding sites are called coupled or linked.  In the case of enzymes, the site that binds to the substrate is known as the active site and the other site is known as the regulatory site. When a ligand binds to the regulatory site, this leads to conformational changes in the protein that can influence...
4.9K
Protein Folding01:22

Protein Folding

120.0K
Overview
120.0K
The Unfolded Protein Response01:37

The Unfolded Protein Response

5.0K
The ER is the hub of protein synthesis in a cell. It has robust systems to quality control protein folding and also for degradation of terminally misfolded proteins. Under normal conditions, a small proportion of misfolded proteins that cannot be salvaged need to be transported to the cytoplasm by the ER-associated degradation or ERAD pathways. However, if the ERAD cannot handle the misfolded proteins, the cell activates the unfolded protein response or UPR to adjust the protein folding...
5.0K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The structural basis of RanGAP1 regulation and catalysis in nuclear transport.

bioRxiv : the preprint server for biology·2026
Same author

Antioxidant Nanozymes: From Rational Design to Biomedical Applications.

Research (Washington, D.C.)·2026
Same author

The feasibility of ovarian tissue cryopreservation in selected females after hematopoietic stem cell transplantation.

Bone marrow transplantation·2026
Same author

Nanoporous-based biomaterials in biomedical applications: from fundamentals and biosensing to drug delivery, wound healing, and tissue engineering.

Nanoscale advances·2026
Same author

Long-term assessment of nutrient-induced eutrophication in Xiamen Bay: Implications for integrated watershed-coast management.

Marine environmental research·2026
Same author

ERK autoinhibition mechanism informs a drug combination strategy.

Protein science : a publication of the Protein Society·2026

Related Experiment Video

Updated: Sep 1, 2025

Designing Silk-silk Protein Alloy Materials for Biomedical Applications
11:14

Designing Silk-silk Protein Alloy Materials for Biomedical Applications

Published on: August 13, 2014

18.5K

AlphaFold, Artificial Intelligence (AI), and Allostery.

Ruth Nussinov1,2, Mingzhen Zhang1, Yonglan Liu3

  • 1Computational Structural Biology Section, Frederick National Laboratory for Cancer Research, Frederick, Maryland 21702, United States.

The Journal of Physical Chemistry. B
|August 17, 2022
PubMed
Summary
This summary is machine-generated.

This article reviews how artificial intelligence tools like AlphaFold have transformed structural biology while identifying current limitations in modeling dynamic protein behaviors such as allostery and conformational changes.

Keywords:
structural biologydeep learningprotein foldingdrug discovery

Frequently Asked Questions

More Related Videos

Curation of Computational Chemical Libraries Demonstrated with Alpha-Amino Acids
08:21

Curation of Computational Chemical Libraries Demonstrated with Alpha-Amino Acids

Published on: April 13, 2022

2.7K
Artificial Intelligence Approaches to Assessing Primary Cilia
08:58

Artificial Intelligence Approaches to Assessing Primary Cilia

Published on: May 1, 2021

3.6K

Related Experiment Videos

Last Updated: Sep 1, 2025

Designing Silk-silk Protein Alloy Materials for Biomedical Applications
11:14

Designing Silk-silk Protein Alloy Materials for Biomedical Applications

Published on: August 13, 2014

18.5K
Curation of Computational Chemical Libraries Demonstrated with Alpha-Amino Acids
08:21

Curation of Computational Chemical Libraries Demonstrated with Alpha-Amino Acids

Published on: April 13, 2022

2.7K
Artificial Intelligence Approaches to Assessing Primary Cilia
08:58

Artificial Intelligence Approaches to Assessing Primary Cilia

Published on: May 1, 2021

3.6K

Area of Science:

  • Computational structural biology utilizing AlphaFold for protein modeling
  • Bioinformatics and data science in life sciences

Background:

No consensus exists regarding the full scope of artificial intelligence in predicting complex protein dynamics. Prior research has shown that sequence-based modeling provides static structural snapshots with high accuracy. That uncertainty drove interest in whether these tools could capture the nuanced conformational ensembles required for biological signaling. It was already known that protein function often relies on flexible states rather than rigid shapes. This gap motivated an investigation into the current capabilities of deep learning in structural biology. Prior studies have highlighted the success of these algorithms in predicting stable protein folds. However, the field remains divided on how these models represent the inherent flexibility of biological molecules. No prior work had resolved the specific limitations regarding allosteric mechanisms and protein folding pathways.

Purpose Of The Study:

The aim of this article is to overview the role of artificial intelligence in structural biology. This work addresses the transformative impact of deep learning on protein structure prediction. The authors seek to clarify the current limitations of these algorithms in capturing dynamic protein behaviors. This study explores the distinction between static structural models and the ensembles required for signaling. The researchers aim to evaluate how these tools influence drug discovery and clinical trial design. This paper investigates the challenges associated with modeling intrinsically disordered proteins. The authors intend to provide a balanced perspective on the strengths and weaknesses of modern computational approaches. This review serves to guide future research by highlighting where deep learning currently falls short in biological modeling.

Main Methods:

The review approach synthesizes current literature regarding artificial intelligence applications in structural biology. Authors evaluate the integration of deep learning with molecular dynamics simulations. This analysis focuses on the predictive accuracy of protein-protein interactions within microbiota-human systems. The investigation examines how structural databases influence modern drug discovery workflows. Researchers compare the outputs of deep learning algorithms against established biophysical principles of protein folding. The study assesses the capacity of these models to represent conformational ensembles. This evaluation includes a critical look at how structural probabilities are assigned to disordered regions. The methodology centers on identifying the gap between static structural predictions and dynamic biological signaling.

Main Results:

Key findings from the literature indicate that AlphaFold provides powerful insights into protein structure prediction. The authors report that these models successfully leverage biological sequence data to create extensive structural databases. Results demonstrate that deep learning techniques currently fail to resolve the decades-long protein folding challenge. The analysis shows that these algorithms do not identify specific folding pathways. Findings reveal that models cannot capture conformational mechanisms like frustration or allostery. The review notes that these tools generate single ranked structures rather than the required conformational ensembles. Evidence suggests that these models describe disordered proteins through low structural probabilities. The literature confirms that deep learning cannot yet elucidate the mechanisms of allosteric drug resistance.

Conclusions:

The authors suggest that deep learning models provide a foundation for future conformational ensemble generation. They propose that these tools currently lack the capacity to resolve protein folding pathways directly. The researchers note that single static structures fail to capture the dynamic nature of allosteric signaling. They emphasize that these models do not account for the ensemble-based properties of disordered protein regions. The paper indicates that current algorithms cannot identify the drivers of allosteric drug resistance. The authors argue that these limitations stem from the reliance on single ranked structural outputs. They highlight that future progress requires integrating deep learning with dynamic simulation techniques. The review concludes that while these advancements are significant, they do not yet replace traditional biophysical methods for studying protein populations.

The researchers propose that AlphaFold fails to elucidate allosteric activating driver hotspot mutations because it generates single ranked structures. In contrast, traditional biophysical methods analyze populations to capture the dynamic distributions necessary for understanding allosteric signaling.

The authors define allostery as a property of populations controlled by dynamic distributions. Unlike static models, this concept requires understanding how ensembles of protein conformations behave under varying conditions to facilitate biological signaling.

The researchers suggest that deep learning techniques can use a single predicted conformation as a starting point. By applying these methods, scientists may generate a diverse ensemble of protein structures to overcome the limitations of static structural predictions.

AlphaFold describes intrinsically disordered proteins by assigning them low structural probabilities. This approach differs from ensemble-based modeling, which explicitly maps the various flexible states these regions occupy within a biological system.

The authors highlight that these models do not capture conformational mechanisms like frustration. This phenomenon is rooted in the energy landscapes of protein ensembles, which remain inaccessible to algorithms that only provide a single, ranked structural prediction.

The researchers propose that artificial intelligence could revolutionize personalized treatments and clinical trials. They claim these tools will reshape drug discovery strategies by prioritizing combinations of targets more effectively than previous methods.