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bioinformatics

54 papers

#artificial intelligence Preprint Oct 2026

A Shortcut to Structure in AlphaFold 3

AlphaFold 3 predicts protein structures with remarkable accuracy, yet how structural information emerges within the model remains poorly understood. Here, through causal interventions on internal representations and direct probing of every Pairformer block, we trace the formation of global protein geometry and identify...

J. Feldman, J. Skolnick · 0 citations
#machine learning Preprint Open access Oct 2026

Information-Dense Synthesis for Molecular Discovery

Machine learning can accelerate molecular discovery by designing molecules and planning experiments. However, many scientific challenges demand molecules with very rare properties, and in this sparse setting, existing algorithms offer little gain over random guessing. We propose a method to efficiently search large reg...

Kasper K. Jakobsen, Eli N. Weinstein · 0 citations
#machine learning Preprint Oct 2026

Mathematical Invariant-Enabled Topological Neural Networks for Molecular and Materials Property Prediction

Existing molecular and materials learning approaches often rely on a limited set of structural representations, which may capture only selected aspects of complex three-dimensional structure. Here, we introduce mathematical invariant-enabled topological neural networks (MITNNs), a framework that represents complex stru...

Yi-Ming Ren, Xiang Liu, Mustafa Hajij et al. · 0 citations
#natural language process... Preprint Open access Oct 2026

Automating MD simulations for Proteins using Large language Models: NAMD-Agent

Molecular dynamics (MD) simulations are essential for understanding protein structure, dynamics, and function, but preparing, running, and analyzing simulations remains time-consuming and error-prone. We present an automated pipeline that combines large language model (LLM) agents with Python scripting and HTMD MCP too...

Omid Barati Farimani, Achuth Chandrasekhar, Amir Barati Farimani · 0 citations
#machine learning Preprint Open access Oct 2026

Learning Topological Representations of Protein Structure and Dynamics

Modern protein representation models support tasks such as enzyme design and drug discovery, but their reliance on static data such as sequence and native structure limits their ability to capture the conformational dynamics that drive protein function. We investigate whether persistent homology (PH) can provide descri...

Dominik Geng, Florian Graf, Martin Uray et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Learning Latent Protein Languages for Autoregressive Generation

Autoregressive transformers remain comparatively weak for protein sequence and structure generation. We study the role of target representation: amino acid tokens encode residue identities without explicit contextual semantics, while backbone coordinates require a discrete representation in our framework. We introduce...

Mahdi Pourmirzaei, Farzaneh Esmaili, Amir Ziashahabi et al. · 0 citations
#machine learning Preprint Oct 2026

RNADyn: A Benchmark for Generating and Understanding RNA Dynamics

Ribonucleic acid (RNA) functions through conformational changes that are not fully captured by static structures. However, large-scale standardized RNA dynamics data remain limited, and existing approaches typically treat trajectory generation and dynamics understanding as separate objectives. Here, we introduce RNADyn...

Yi-Ming Huang, L. Bastian, Hanqun Cao et al. · 0 citations
#machine learning Preprint Sep 2026

StabilityArc: Decoding Protein Sequence Embeddings into Generalizable Stability Landscapes

Every protein has a unique stability landscape, but the physical consequences of mutation are governed by recurring biochemical constraints. We test whether a shared decoder, trained on measurements from diverse proteins, can interpret these constraints in an unseen target, enabling cross-protein transfer for initial e...

Aaron L. Feller, Andrew D. Ellington, Claus O. Wilke · 0 citations
#machine learning Preprint Sep 2026

Improving scoring functions for protein-protein docking with LambdaLoss

Modeling protein-protein interactions requires accurate scoring functions that can rank potential poses (conformations) of a protein-protein complex to differentiate near-native poses from incorrect ones. Here, we propose a general framework for improving protein-protein pose ranking and other biomolecular interaction...

Richard Zhu, Da Xu, Lee-Shin Chu et al. · 0 citations
#machine learning Preprint Open access Oct 2026

pCoMole: Pareto-Constrained Molecule Editing with Discrete Flows

Biomolecular therapeutics often start from known sequences and require targeted editing to improve multiple properties while satisfying hard biochemical and manufacturability constraints. However, existing generative methods do not jointly support multi-objective optimization, hard feasibility, and sequence editing in...

Tong Chen, Maximilian Holsman, Lin Zhao et al. · 0 citations
#machine learning Preprint Oct 2026

Auditable Algebraic Counting Field for Cryptic-Pocket Detection from Apo Structures

Cryptic ligand-binding pockets are not apparent in experimentally determined apo structures, making them difficult to identify from unbound receptor geometry. A complementary challenge is to make the structural measurements and learned evidence behind each prediction directly inspectable. We introduce a supervised alge...

Shan Yu, Xue-Ning Wu · 0 citations
#artificial intelligence Preprint Oct 2026

Fold'EM: Direct atomic structure inference from Cryo-EM particles

Single-particle cryo-electron microscopy (cryo-EM) has become a widely adopted technique for biomolecular structure determination. The conventional cryo-EM computational pipeline first combines many particle images to reconstruct an electrostatic potential (ESP) map and then fits an atomic model to the recovered map. D...

Advaith Maddipatla, Märt-Erik Mäeots, M. Pegoraro et al. · 0 citations

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