{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T11:34:08Z","timestamp":1793100848605,"version":"4.5.0"},"reference-count":75,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T00:00:00Z","timestamp":1791417600000},"content-version":"vor","delay-in-days":7,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T00:00:00Z","timestamp":1790812800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BioEssays"],"published-print":{"date-parts":[[2026,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Cellular function is frequently interpreted in terms of gene presence, protein abundance, and dose\u2013response relationships. Yet interacting proteins operate within binding and assembly regimes in which relative abundance can alter which molecular complexes predominate. We propose a protein\u2010ratio rheostat framework in which functional output depends jointly on component ratios, absolute concentrations relative to binding affinities, interaction stoichiometry, and in multivalent systems, valency and cooperativity. The same protein ratio can therefore generate different molecular and functional states under different concentration or affinity regimes. We develop testable predictions of this framework, illustrate its application to competitive protein interactions and biomolecular condensates, and outline experimental strategies for identifying composition\u2010sensitive behavior within defined abundance and affinity regimes.<\/jats:p>","DOI":"10.1002\/bies.70195","type":"journal-article","created":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T11:24:03Z","timestamp":1791458643000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Protein\u2010Ratio Rheostats: Integrating Stoichiometry, Abundance, and Binding Affinity in Cellular Function"],"prefix":"10.1002","volume":"48","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2544-480X","authenticated-orcid":false,"given":"Subbaya","family":"Subramanian","sequence":"first","affiliation":[{"name":"Department of Surgery University of Minnesota Medical School  Minneapolis Minnesota USA"},{"name":"Masonic Cancer 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