tetramer
noun
tet·ra·mer ˈte-trə-mər 
: a molecule (such as an enzyme or a polymer) that consists of four structural subunits (such as peptide chains or condensed monomers)
tetrameric
ˌte-trə-ˈmer-ik
adjective 
Example Sentences
Recent Examples on the Web The team confirmed the wide response to the epitope, as twelve out of the thirteen patients who tested positive for HLA A*02+ also had CD8 T cells stained with HLA A∗02:01-YLQPRTFLL tetramer. 
William A. Haseltine, Forbes, 17 Aug. 2022 The group might also be able to make foursomes of such atoms, known as tetramers, says Maren Mossman, a physicist at Washington State University in Pullman. Elizabeth Gibney, Scientific American, 9 May 2018 To tag immune cells carrying receptors for alder pollen, the team added customized fluorescent proteins known as MHCII tetramers to the patients’ blood samples. Mitch Leslie, Science | AAAS, 2 Aug. 2017
William A. Haseltine, Forbes, 17 Aug. 2022 The group might also be able to make foursomes of such atoms, known as tetramers, says Maren Mossman, a physicist at Washington State University in Pullman. Elizabeth Gibney, Scientific American, 9 May 2018 To tag immune cells carrying receptors for alder pollen, the team added customized fluorescent proteins known as MHCII tetramers to the patients’ blood samples. Mitch Leslie, Science | AAAS, 2 Aug. 2017 Word History
First Known Use
1929, in the meaning defined above
Medical Definition
tetramer
noun
tet·ra·mer ˈte-trə-mər
: a molecule (as an enzyme or a polymer) that consists of four structural subunits (as peptide chains or condensed monomers)