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bioinformatics

54 papers

#machine learning Preprint Sep 2026

Learning Task-Specific Antibody Representations via Function-Aware Masking

This work introduces function-aware masking, a family of pretraining algorithms that align mask placement with specific functional priors (e.g., from IMGT annotations or structure predictions) to shape the learned representation space, and demonstrates that informed mask placement provides a parameter-free mechanism fo...

Ayan Goel, Thomas Walton, Amirali Aghazadeh · 0 citations
#artificial intelligence Preprint Sep 2026

FLaG: Frequency-Domain Latent-attention Gated Pooling for Token Aggregation

Frequency-Domain Latent-attention Gated Pooling (FLaG), a plug-in aggregation module that re-expresses encoder outputs in the Fourier domain before final pooling, provides a transferable frequency-domain aggregation bias across protein, visual, and textual representations, with benefits that depend on the backbone and...

Ke-Wei Li, Rong Zhang, Xuelin Wang et al. · 0 citations
#machine learning Open access Aug 2026

Coarse composition suffices: tabular in-context learning for multi-activity antimicrobial peptide profiling

A simple, sequence-only pipeline can match and surpass leading methods by combining 330 interpretable sequence descriptors with TabPFN, a tabular foundation model that performs in-context prediction in a single forward pass without gradient-based training or hyperparameter search.

Anuj Pal, Raunak Kumar, D. Solanki et al. · 0 citations
#machine learning Preprint Aug 2026

Structural Hierarchy and Geometry in Molecular Representation Learning

Results show that explicitly teaching the relation between a molecule and its structural core can reliably shape the organization of molecular embedding space, while the extent of usefulness of this organization remains task dependent.

David Sulu, Lorenzo Di Fruscia, Jana M. Weber · 0 citations
#machine learning Conference Open access Feb 2023

EquiPocket: an E(3)-Equivariant Geometric Graph Neural Network for Ligand Binding Site Prediction

EquiPocket is proposed, an E(3)-equivariant Graph Neural Network for binding site prediction, which comprises three modules: the first one to extract local geometric information for each surface atom, the second one to model both the chemical and spatial structure of protein and the last one to capture the geometry of...

Yang Zhang, Wenbing Huang, Zhewei Wei et al. · 43 citations · ⚡4
#machine learning Preprint Jul 2026

GEqTrain: A Configuration-Driven Framework for Retargeting Equivariant Graph Neural Networks Across 3D Scientific Tasks

GEqTrain is presented, a configuration-driven framework that separates dataset semantics, model composition, and training objectives, and GEqDiff, a generative extension based on equivariant flow matching that aims to make equivariant modeling more reproducible, extensible, and reusable.

Daniele Angioletti, Marco Nobile, V. Limongelli · 0 citations

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