(1) Eight-base sequence motif common in eukaryotic promoters. Consensus is ATTTGCAT; binds various transcription factors.
(2) Assembly of eight histone proteins (2 each of H2A, H2B, H3 and H4) that forms core of nucleosome.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • octamer — oligomer o*lig o*mer, n. (Chem.) A molecule composed of a small number of linked monomer units; a short polymer; compounds called oligomers have less than one hundred monomer units and usually less than thirty. Oligomers of increasing length are… …   The Collaborative International Dictionary of English

  • octamer — /ok teuh meuhr/, n. Biochem. an eight molecule complex. [OCTA + MER] * * * …   Universalium

  • octamer — noun An oligomer having eight subunits …   Wiktionary

  • octamer — oc·ta·mer …   English syllables

  • octamer — ˈäktəmə(r) noun ( s) Etymology: octa + mer : a polymer formed from eight molecules of a monomer * * * /ok teuh meuhr/, n. Biochem. an eight molecule complex. [OCTA + MER] …   Useful english dictionary

  • Octamer transcription factor — An octamer transcription factor is a transcription factor which binds to the ATTTGCAT sequence.[1] Examples include: Oct 1 POU2F1 Oct 2 POU2F2 Oct 3/4 – POU5F1 Oct 6 – …   Wikipedia

  • octamer binding protein — Transcription factor that binds to the octamer motif. Examples: mammalian proteins Oct 1, Oct 2 …   Dictionary of molecular biology

  • octamer motif — A DNA motif found in certain promoters that can produce B cell specific gene expression. Sequence: ATGCAAAT …   Dictionary of molecular biology

  • Histone octamer — A histone octamer is an octamer of the histones found at the center of a nucleosome core particle. It consists of 2 copies of each of the four core histone proteins (H2A, H2B, H3 and H4). The octamer assembles when a tetramer, containing two… …   Wikipedia

  • Serine octamer cluster — The Serine octamer cluster in physical chemistry is an unusually stable cluster consisting of eight serine molecules (Ser) implicated in the origin of homochirality. [cite journal | title = Chiroselective Self Directed Octamerization of Serine:… …   Wikipedia

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