arXiv AI By Maojiang Su, Jiale Chen, Qijie Zhu, Shang Wu, Jiayi Wang, Jihai Zhao, Guo Ye, Yibo Wen, Han Liu

Towards Generalizing Pretrained All-Atom Representations to Unified Binder Design

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PairFuse is a lightweight, parameter‑efficient method that fuses pretrained all‑atom representations into a geometric latent diffusion model for unified binder design. By adding layerwise adapters, it enriches the diffusion model’s molecular block features and incorporates pairwise structural information into the denoiser. Experiments on antibody, peptide, and small‑molecule binder‑design benchmarks show that PairFuse outperforms both the base diffusion model and existing representation‑fusion baselines.

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