heterodimer

noun

: a protein composed of two polypeptide chains differing in composition in the order, number, or kind of their amino acid residues

Browse Nearby Words

Cite this Entry

“Heterodimer.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/heterodimer. Accessed 10 Mar. 2025.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!