
thumb|right|An example of a Protein_subunit|subunit, human [[hemoglobin. The protein's α and β subunits are coloured red and blue.]] A tetramer () (tetra-, "four" + -mer, "parts") is an oligomer formed from four monomers or subunits. The associated property is called tetramery. An example from inorganic chemistry is titanium methoxide with the empirical formula Ti(OCH3)4, which is tetrameric in solid state and has the molecular formula Ti4(OCH3)16. An example from organic chemistry is kobophenol A, a substance that is formed by combining four molecules of resveratrol.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).