bioRxiv : the preprint server for biology · 2026
Evaluation of methods for AlphaFold-based integrative modeling.
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Majila Kartik, Viswanath Shruthi
Аннотация
MOTIVATION: Recent methods enable incorporation of experimental data into AlphaFold for predicting structures consistent with the data. However, the applicability of these methods for integrative modeling remains to be determined. It is unclear how these methods balance the input experimental data with the learned structural priors.
RESULTS: We assess the performance of state-of-the-art AlphaFold-based integrative modeling methods, including AlphaLink2, Boltz2, and GRASP, on a dataset of 37 complexes based on crosslinking data. We evaluate these methods based on their ability to predict structures that satisfy the input crosslinks. We further assess the robustness of these methods to noise in the crosslinking data. Finally, we probe their ability to predict distinct states using crosslinks from multiple states. Overall, our study highlights the limitations of the AF-based IM methods and points to directions for future improvements.
AVAILABILITY AND IMPLEMENTATION: All scripts used to obtain the predictions and perform the analysis in this study are available at https://github.com/isblab/af_im .
RESULTS: We assess the performance of state-of-the-art AlphaFold-based integrative modeling methods, including AlphaLink2, Boltz2, and GRASP, on a dataset of 37 complexes based on crosslinking data. We evaluate these methods based on their ability to predict structures that satisfy the input crosslinks. We further assess the robustness of these methods to noise in the crosslinking data. Finally, we probe their ability to predict distinct states using crosslinks from multiple states. Overall, our study highlights the limitations of the AF-based IM methods and points to directions for future improvements.
AVAILABILITY AND IMPLEMENTATION: All scripts used to obtain the predictions and perform the analysis in this study are available at https://github.com/isblab/af_im .