= Protein oligomerization
<Protein oligomerization> associates several <protein> subunits into a defined assembly, such as a <protein dimer>. It can create <cooperative binding> sites, regulate activity or build structural units. A measured assembly depends on <concentration> and conditions: a dimer can dissociate on dilution. Determining subunit count therefore requires an assay model as well as a measured size or signal. <Subunit counting in membrane-bound proteins by Maximilian H. Ulbrich and Ehud Y. Isacoff>[2007, photobleaching steps and membrane-protein subunit stoichiometry]{ref}
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