Definition of "heterodimer" [heterodimer]

• A dimer, especially a biologically active one, derived from two or more different monomers (noun)

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• ""We want to identify agents that make ER beta pair with ER alpha, in a structure called a heterodimer, potentially allowing the beta to dampen the alpha activity," says Xu, lead author of the study."
• "The HIF-1 protein is a heterodimer composed of a constitutively expressed β-subunit (ARNT (aryl hydrocarbon receptor nuclear translocator)) and a hypoxia-inducible α-subunit"
• "(RXR) agonists, which activate the PPAR/RXR heterodimer, downregulate resistin gene expression in 3T3L1 adipocytes"