What question did this study set out to answer?

To develop an interpretable, structurally grounded deep learning framework for accurate classification and evolutionary mapping of sirtuin proteins.

August 16, 2026Journal of Computational Biophysics and Chemistry

SirtSAGE: A Structural-Gated Graph Attention Framework for the Unified Classification and Evolutionary Mapping of Sirtuin Proteins

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Authors

DNDinh Quy NguyenCan Tho University VNViet-Thanh Nguyen MHMuhammad HussainAga Khan University

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Implication

Computational study demonstrates improved sirtuin protein classification and evolutionary mapping using structural graph attention, indicating enhanced functional annotation across species.

Key Points

To develop an interpretable, structurally grounded deep learning framework for accurate classification and evolutionary mapping of sirtuin proteins.
Integrated ESM-2 contextual sequence embeddings into a Graph Attention Network (GATv2) using pLDDT spatial confidence gates.
Incorporated Kolmogorov-Arnold Networks (KAN) as a symbolic reasoning layer to extract non-linear functional signatures.
Evaluated model performance using 5-fold cross-validation, an independent test set, and orthogonal validation on Caenorhabditis elegans variants against 1D-CNN baselines.
SirtSAGE outperformed state-of-the-art 1D-CNN baselines in predictive robustness under a unified multi-class setting.
The network localized attention onto the structurally stable active core of sirtuins, generating a latent space consistent with standard 4-class mammalian phylogenetic taxonomy.
Orthogonal validation on C. elegans confirmed robust cross-species homology mapping capabilities.

Cite This Study

Nguyen et al. (2026) studied this question.

synapsesocial.com/papers/6a8179abf2fb91fc834acf5c https://doi.org/10.1142/s2737416527400011

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Implication

Computational study demonstrates improved sirtuin protein classification and evolutionary mapping using structural graph attention, indicating enhanced functional annotation across species.

SirtSAGE: A Structural-Gated Graph Attention Framework for the Unified Classification and Evolutionary Mapping of Sirtuin Proteins

Discussion

Member takes

Implication

Key Points

Cite This Study

SirtSAGE: A Structural-Gated Graph Attention Framework for the Unified Classification and Evolutionary Mapping of Sirtuin Proteins

Discussion

Member takes

Implication

Key Points

Cite This Study

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