octamern.
/ˈɒktəmə/, U.S. /ˈɑktəmər/ Chemistry and Biochemistry.
A polymeric molecule or structural unit consisting of eight monomers, esp. (a section of) a polynucleotide or polypeptide.
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octamer1929
polymolecule1934
1929 Chem. Abstr. 23 3213 From the MeOH ppt. were obtained another 2g. of the pentamer and 6, 4, and 6g. of the hexa-, hepta- and octamers resp.
1946 Jrnl. Amer. Chem. Soc. 68 359/1 The heptamer, octamer and nonamer..were isolated by fractionating high-boiling still-pot residues.
1987 Nature 10 Sept. 174/2 The octamer sequence ATGCAAAT or its inverse complement ATTTGCAT is well-conserved in all immunoglobulin gene promoters.
2001 Jrnl. Biol. Chem. 276 1204 Yeast mitochondrial NAD+-specific isocitrate dehydrogenase is an octamer composed of four each of two nonidentical but related subunits designated IDH1 and IDH2.
This is a new entry (OED Third Edition, March 2004; most recently modified version published online March 2022).
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n.1929