AutoBinder Agent: An MCP-Based Agent for End-to-End Protein Binder Design

Fuente: arXiv
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Autori principali: Ge, Fukang, Zhu, Jiarui, Zhang, Linjie, Xiao, Haowen, Bao, Xiangcheng, Xie, Fangnan, Chen, Danyang, Lu, Yanrui, Wang, Yuting, Guan, Ziqian, Gu, Lin, Bi, Jinhao, Zhu, Yingying
Natura: Preprint
Pubblicazione: 2026
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author Ge, Fukang
Zhu, Jiarui
Zhang, Linjie
Xiao, Haowen
Bao, Xiangcheng
Xie, Fangnan
Chen, Danyang
Lu, Yanrui
Wang, Yuting
Guan, Ziqian
Gu, Lin
Bi, Jinhao
Zhu, Yingying
author_facet Ge, Fukang
Zhu, Jiarui
Zhang, Linjie
Xiao, Haowen
Bao, Xiangcheng
Xie, Fangnan
Chen, Danyang
Lu, Yanrui
Wang, Yuting
Guan, Ziqian
Gu, Lin
Bi, Jinhao
Zhu, Yingying
contents Modern AI technologies for drug discovery are distributed across heterogeneous platforms-including web applications, desktop environments, and code libraries-leading to fragmented workflows, inconsistent interfaces, and high integration overhead. We present an agentic end-to-end drug design framework that leverages a Large Language Model (LLM) in conjunction with the Model Context Protocol (MCP) to dynamically coordinate access to biochemical databases, modular toolchains, and task-specific AI models. The system integrates four state-of-the-art components: MaSIF (MaSIF-site and MaSIF-seed-search) for geometric deep learning-based identification of protein-protein interaction (PPI) sites, Rosetta for grafting protein fragments onto protein backbones to form mini proteins, ProteinMPNN for amino acid sequences redesign, and AlphaFold3 for near-experimental accuracy in complex structure prediction. Starting from a target structure, the framework supports de novo binder generation via surface analysis, scaffold grafting and pose construction, sequence optimization, and structure prediction. Additionally, by replacing rigid, script-based workflows with a protocol-driven, LLM-coordinated architecture, the framework improves reproducibility, reduces manual overhead, and ensures extensibility, portability, and auditability across the entire drug design process.
format Preprint
id arxiv_https___arxiv_org_abs_2602_00019
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle AutoBinder Agent: An MCP-Based Agent for End-to-End Protein Binder Design
Ge, Fukang
Zhu, Jiarui
Zhang, Linjie
Xiao, Haowen
Bao, Xiangcheng
Xie, Fangnan
Chen, Danyang
Lu, Yanrui
Wang, Yuting
Guan, Ziqian
Gu, Lin
Bi, Jinhao
Zhu, Yingying
Biomolecules
Artificial Intelligence
Modern AI technologies for drug discovery are distributed across heterogeneous platforms-including web applications, desktop environments, and code libraries-leading to fragmented workflows, inconsistent interfaces, and high integration overhead. We present an agentic end-to-end drug design framework that leverages a Large Language Model (LLM) in conjunction with the Model Context Protocol (MCP) to dynamically coordinate access to biochemical databases, modular toolchains, and task-specific AI models. The system integrates four state-of-the-art components: MaSIF (MaSIF-site and MaSIF-seed-search) for geometric deep learning-based identification of protein-protein interaction (PPI) sites, Rosetta for grafting protein fragments onto protein backbones to form mini proteins, ProteinMPNN for amino acid sequences redesign, and AlphaFold3 for near-experimental accuracy in complex structure prediction. Starting from a target structure, the framework supports de novo binder generation via surface analysis, scaffold grafting and pose construction, sequence optimization, and structure prediction. Additionally, by replacing rigid, script-based workflows with a protocol-driven, LLM-coordinated architecture, the framework improves reproducibility, reduces manual overhead, and ensures extensibility, portability, and auditability across the entire drug design process.
title AutoBinder Agent: An MCP-Based Agent for End-to-End Protein Binder Design
topic Biomolecules
Artificial Intelligence
url https://arxiv.org/abs/2602.00019