释义 |
dodecamer, n. Chem. and Biochem.|dəʊˈdɛkəmə(r)| [f. dodeca- + -mer.] A compound whose molecule is formed from twelve monomers; also, a molecule of such a compound.
1968Biochemistry VII. 2150/1 Electron microscopic examination..showed the presence of species of intermediate stages of disaggregation between intact dodecamer and monomer. 1971Nature 25 June 495/1 At high resolution this dodecamer of six regulatory and six catalytic subunits will pose..exciting problems on the mechanism of control. 1979Ibid. 4 Oct. 342/1 For Eurypelma haemocyanin, three different types of subunit are needed for the formation of a 16S hexamer, five different for a 24S dodecamer, and all seven for a stable 37S aggregate or ‘24-mer’ (which is the native form). 1983Sci. Amer. Dec. 90 The longest DNA double helix that has yet been examined by single-crystal X-ray methods is the dodecamer CGCGAATTCGCG. Hence ˌdodecaˈmeric a.
1968Biochemistry VII. 2153/1 The glutamine synthetase isolated from Escherichia coli exists as a dodecameric aggregate of identical subunits. 1987Angewandte Chem.: Internat. Ed. in Eng. XXVI. 587/1 (heading) Tetrameric and dodecameric tert-butylethynyllithium; a novel aggregation principle in organolithium compounds. |