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GRP: A Representation-Aware Effective Geometry of Protein State Space

Research article Created on 14 Sep 2026

Authors

Chuanyang Liu

Abstract

Proteins are not isolated structures but multilevel state spaces shaped by sequence and context. We introduce GRP, a general-relativity-inspired framework that treats AI representations as a lossy mirror space for searching for candidate invariants - relations intended to remain stable across models, coordinates and scales - and linking them to biological constraints. GRP formulates coordinate-aware geometric, tensorial and operator relations among empirical measures, covariance geometry, perturbational responses and distributional transport, providing an effective description of protein-state space. Across vast conformations and deep-mutational-scanning measurements from eight proteins, covariance spectra were concentrated, with 3-18 modes capturing 95% of retained variance; regularized inverse-covariance costs showed weak cross-resolution correspondence and modest fitness association. Biological descriptors predicted selected geometric responses, while structured paths showed lower Gaussian transport than matched nulls (11.75 versus 22.90). GRP is a testable statistical route from AI-observed organization to biological principles across proteins, nucleic acids, complexes and cells. Code and workflows are available at https://github.com/Travis13197/GRP.

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