Skip to content

Perspective primers

You must choose one of the following perspective primers and write a detailed, well-supported perspective on the topic. Each primer presents a nuanced question with no clear right or wrong answer, encouraging you to explore the literature, form your own opinion, and justify your stance. Your task is to research your chosen topic thoroughly, present a balanced argument, and provide a well-reasoned perspective supported by current scientific evidence.

Protein structure prediction

Primer: Are ab initio protein structure prediction algorithms still relevant in the deep learning era?

Ab initio protein structure prediction algorithms can determine the three-dimensional structures of proteins from their amino acid sequences without relying on homologous structures. These methods often involve intensive computational processes and can be time-consuming. However, recent advances in deep learning, exemplified by tools like AlphaFold, have dramatically improved the accuracy and efficiency of protein structure predictions, challenging the relevance of traditional ab initio approaches.

In the era of deep learning, especially with sophisticated models that leverage vast amounts of data and computational power, protein structure prediction has seen unprecedented advancements. The question arises: do ab initio methods still hold value, or have they been rendered obsolete by these newer, data-driven approaches? This perspective should touch on the balance between traditional algorithmic approaches and cutting-edge machine learning techniques and their implications for the future of computational structural biology.

Possible discussion points:

  • Accuracy and Reliability: Compare the accuracy and reliability of ab initio methods with deep learning-based predictions. Evaluate situations where one method may outperform the other.
  • Computational Resources: Assess the computational demands of ab initio methods versus deep learning models, considering accessibility for different research institutions.
  • Data Dependence: Discuss the dependence of deep learning models on large datasets and the potential limitations this may impose compared to ab initio methods, which do not exclusively rely on prior data.
  • Innovation and Integration: Explore how traditional ab initio methods can be integrated with deep learning approaches to enhance prediction accuracy and reliability.
  • Case Studies: Examine specific case studies where ab initio methods have provided unique insights or deep learning models have significantly outperformed traditional approaches.
  • Future Prospects: Consider the future of protein structure prediction, including potential advancements in ab initio and deep learning methods and their implications for the field.

One can argue for the continued relevance of ab initio methods based on their foundational principles, independence from large training datasets, and potential for integration with new technologies. Conversely, others may emphasize deep learning's transformative impact, highlighting its superior accuracy, efficiency, and the paradigm shift in the field.

Example papers

Here are some scientific articles to help get you started.

Primary

  • Abramson, J., Adler, J., Dunger, J., Evans, R., Green, T., Pritzel, A., ... & Jumper, J. M. (2024). Accurate structure prediction of biomolecular interactions with AlphaFold3. Nature, 1-3. DOI: 10.1038/s41586-024-07487-w
  • Baek, M., DiMaio, F., Anishchenko, I., Dauparas, J., Ovchinnikov, S., Lee, G. R., ... & Baker, D. (2021). Accurate prediction of protein structures and interactions using a three-track neural network. Science, 373(6557), 871-876. DOI: 10.1126/science.abj8754
  • Zhou, X., Zheng, W., Li, Y., Pearce, R., Zhang, C., Bell, E. W., ... & Zhang, Y. (2022). I-TASSER-MTD: a deep-learning-based platform for multi-domain protein structure and function prediction. Nature Protocols, 17(10), 2326-2353. DOI: 10.1038/s41596-022-00728-0

Opinion

  • Outeiral, C., Nissley, D. A., & Deane, C. M. (2022). Current structure predictors are not learning the physics of protein folding. Bioinformatics, 38(7), 1881-1887. DOI: 10.1093/bioinformatics/btab881
  • Kuhlman, B., & Bradley, P. (2019). Advances in protein structure prediction and design. Nature reviews molecular cell biology, 20(11), 681-697. DOI: 10.1038/s41580-019-0163-x
  • Doga, H., Raubenolt, B., Cumbo, F., Joshi, J., DiFilippo, F. P., Qin, J., ... & Shehab, O. (2024). A perspective on protein structure prediction using quantum computers. Journal of Chemical Theory and Computation, 20(9), 3359-3378. DOI: 10.1021/acs.jctc.4c00067

Reviews

  • Huang, B., Kong, L., Wang, C., Ju, F., Zhang, Q., Zhu, J., ... & Bu, D. (2023). Protein structure prediction: challenges, advances, and the shift of research paradigms. Genomics, Proteomics & Bioinformatics, 21(5), 913-925. DOI: 10.1016/j.gpb.2022.11.014
  • Bertoline, L. M., Lima, A. N., Krieger, J. E., & Teixeira, S. K. (2023). Before and after AlphaFold2: An overview of protein structure prediction. Frontiers in bioinformatics, 3, 1120370. DOI: 10.3389/fbinf.2023.1120370

Computer-aided drug design

Primer: Are molecular dynamics simulations overhyped in drug discovery, or do they provide indispensable insights?

Molecular dynamics (MD) simulations allow researchers to observe the behavior of molecules over time, offering detailed insights into the dynamic nature of protein-ligand interactions. This technique is often used after initial docking studies to refine and validate the predicted interactions. However, MD simulations are computationally intensive and require significant expertise to interpret.

MD simulations are typically performed after initial docking studies in the drug development pipeline to validate and refine the predicted protein-ligand interactions. The question arises: Should researchers invest in computationally expensive and time-consuming MD simulations or proceed directly to wet-lab experiments, which might provide more definitive answers? This decision point is critical, as it impacts the drug development process's efficiency, accuracy, and cost.

Possible discussion points:

  • Accuracy and Precision: Debate the accuracy of MD simulations in predicting real-world molecular interactions compared to static docking models.
  • Computational Resources: Consider the computational costs and accessibility of MD simulations for different research institutions.
  • Predictive Value: Evaluate how MD simulations can refine docking results and their impact on predicting binding affinities and interaction stability.
  • Experimental Validation: Discuss whether the insights gained from MD simulations justify the delay and resources compared to proceeding directly to wet lab experiments after docking.
  • Case Studies: Examine specific case studies in which MD simulations have either provided critical insights or been unnecessary in the drug design process.
  • Future Prospects: Discuss potential advancements in MD technology and their implications for future drug design, considering both the benefits and limitations.

MD simulations could be indispensable because they can provide detailed dynamic insights and refine docking predictions, enhancing the reliability of subsequent wet lab experiments. Conversely, others might highlight the practical challenges, such as the computational expense and the potential delays in the drug development timeline, advocating for a more streamlined approach that moves directly from docking to experimental validation.

Example papers

Here are some scientific articles to help get you started.

Primary

  • Alibay, I., Magarkar, A., Seeliger, D., & Biggin, P. C. (2022). Evaluating the use of absolute binding free energy in the fragment optimisation process. Communications Chemistry, 5(1), 105. DOI: 10.1038/s42004-022-00721-4
  • Eberhardt, J., Santos-Martins, D., Tillack, A. F., & Forli, S. (2021). AutoDock Vina 1.2.0: New docking methods, expanded force field, and python bindings. Journal of chemical information and modeling, 61(8), 3891-3898. DOI: 10.1021/acs.jcim.1c00203
  • Wan, S., Sinclair, R. C., & Coveney, P. V. (2021). Uncertainty quantification in classical molecular dynamics. Philosophical Transactions of the Royal Society A, 379(2197), 20200082. DOI: 10.1098/rsta.2020.0082
  • Sahakyan, H. (2021). Improving virtual screening results with MM/GBSA and MM/PBSA rescoring. Journal of Computer-Aided Molecular Design, 35(6), 731-736. DOI: 10.1007/s10822-021-00389-3
  • Lee, T. S., Lin, Z., Allen, B. K., Lin, C., Radak, B. K., Tao, Y., ... & York, D. M. (2020). Improved alchemical free energy calculations with optimized smoothstep softcore potentials. Journal of chemical theory and computation, 16(9), 5512-5525. DOI: 10.1021/acs.jctc.0c00237

Opinion

  • Song, L. F., & Merz Jr, K. M. (2020). Evolution of alchemical free energy methods in drug discovery. Journal of Chemical Information and Modeling, 60(11), 5308-5318. DOI: 10.1021/acs.jcim.0c00547

Reviews

  • Sabe, V. T., Ntombela, T., Jhamba, L. A., Maguire, G. E., Govender, T., Naicker, T., & Kruger, H. G. (2021). Current trends in computer aided drug design and a highlight of drugs discovered via computational techniques: A review. European Journal of Medicinal Chemistry, 224, 113705. DOI: 10.1016/j.ejmech.2021.113705
  • Bassani, D., & Moro, S. (2023). Past, present, and future perspectives on computer-aided drug design methodologies. Molecules, 28(9), 3906. DOI: 10.3390/molecules28093906
  • Yang, C., Chen, E. A., & Zhang, Y. (2022). Protein–ligand docking in the machine-learning era. Molecules, 27(14), 4568. DOI: 10.3390/molecules27144568
  • Dhakal, A., McKay, C., Tanner, J. J., & Cheng, J. (2022). Artificial intelligence in the prediction of protein–ligand interactions: recent advances and future directions. Briefings in Bioinformatics, 23(1), bbab476. DOI: 10.1093/bib/bbab476
  • Sadybekov, A. V., & Katritch, V. (2023). Computational approaches streamlining drug discovery. Nature, 616(7958), 673-685. DOI: 10.1038/s41586-023-05905-z