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A tetramer (/ ˈ t ɛ t r ə m ər /) (tetra-, "four" + -mer, "parts") is an oligomer formed from four monomers or subunits. The associated property is called tetramery . An example from inorganic chemistry is titanium methoxide with the empirical formula Ti(OCH 3 ) 4 , which is tetrameric in solid state and has the molecular formula Ti 4 (OCH ...
The metal centre is located in the central cavity at the interface between two subunits. All protein ligands to the metal atom are provided by the α subunit. The protein ligands to the iron are the sidechains of the three cysteine (Cys) residues and two mainchain amide nitrogens. The metal ion is octahedrally coordinated, with the protein ...
The formation of the sorbitol dehydrogenase tetramer from its monomers via dimers. A tetrameric protein is a protein with a quaternary structure of four subunits (tetrameric). Homotetramers have four identical subunits (such as glutathione S-transferase), and heterotetramers are complexes of different subunits.
In chemistry and biochemistry, an oligomer (/ ə ˈ l ɪ ɡ ə m ər / ⓘ) is a molecule that consists of a few repeating units which could be derived, actually or conceptually, from smaller molecules, monomers. [1] [2] [3] The name is composed of Greek elements oligo-, "a few" and -mer, "parts". An adjective form is oligomeric. [3]
Pentamers consist of five MHC-peptide headgroups, arranged in a planar configuration so that, unlike MHC tetramers, all of the headgroups can contact the CD8+ T cell. The headgroups are connected via flexible linkers to a coiled-coil multimerization domain, which in turn is connected to five fluorescent or biotin tags.
Diaminomaleonitrile (DAMN) is an organic compound composed of two amino groups and two nitrile groups bonded to a central alkene unit. The systematic name reflects its relationship to maleic acid. DAMN form by oligomerization of hydrogen cyanide. It is the starting point for the synthesis of several classes of heterocyclic compounds.
As Gen-Z drinks less, other age groups follow suit. The most recent National Survey on Drug Use and Health found less than two-thirds of Americans drank alcohol at least once in 2022. According to ...
Like other crown ethers, 12-crown-4 complexes with alkali metal cations. The cavity diameter of 1.2-1.5 Å gives it a high selectivity towards the lithium cation (ionic diameter 1.36 Å) [2] Its point group is S 4. The dipole moment of 12-crown-4 varies with solvent and temperature.