heterotrimeric
adjective
het·ero·tri·mer·ic
-trī-ˈmer-ik 
: being a macromolecule composed of three subunits of which at least one differs from the other two
heterotrimeric G proteins
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“Heterotrimeric.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/heterotrimeric. Accessed 3 Dec. 2025.
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