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  2. Promoter (genetics) - Wikipedia

    en.wikipedia.org/wiki/Promoter_(genetics)

    Many other elements/motifs may be present. There is no such thing as a set of "universal elements" found in every core promoter. [23] Proximal promoter – the proximal sequence upstream of the gene that tends to contain primary regulatory elements Approximately 250 base pairs upstream of the start site; Specific transcription factor binding sites

  3. Upstream activating sequence - Wikipedia

    en.wikipedia.org/wiki/Upstream_Activating_Sequence

    An upstream activating sequence or upstream activation sequence (UAS) is a cis-acting regulatory sequence found in yeast like Saccharomyces cerevisiae. It is distinct from the promoter and increases the expression of a neighbouring gene .

  4. Pribnow box - Wikipedia

    en.wikipedia.org/wiki/Pribnow_box

    It is also commonly called the -10 sequence or element, because it is centered roughly ten base pairs upstream from the site of initiation of transcription. The Pribnow box has a function similar to the TATA box that occurs in promoters in eukaryotes and archaea : it is recognized and bound by a subunit of RNA polymerase during initiation of ...

  5. Regulatory sequence - Wikipedia

    en.wikipedia.org/wiki/Regulatory_sequence

    An active enhancer regulatory sequence of DNA is enabled to interact with the promoter DNA regulatory sequence of its target gene by formation of a chromosome loop. This can initiate messenger RNA (mRNA) synthesis by RNA polymerase II (RNAP II) bound to the promoter at the transcription start site of the gene. The loop is stabilized by one ...

  6. Upstream and downstream (transduction) - Wikipedia

    en.wikipedia.org/wiki/Upstream_and_downstream...

    Receptors and ligands exist in many different forms, and only recognize/bond to particular molecules. Upstream extracellular signaling transduce a variety of intracellular cascades. [1] Receptors and ligands are common upstream signaling molecules that dictate the downstream elements of the signal pathway. A plethora of different factors affect ...

  7. Activator (genetics) - Wikipedia

    en.wikipedia.org/wiki/Activator_(genetics)

    Activator-binding sites may be located very close to the promoter or numerous base pairs away. [2] [3] If the regulatory sequence is located far away, the DNA will loop over itself (DNA looping) in order for the bound activator to interact with the transcription machinery at the promoter site. [2] [3]

  8. Run-off transcription - Wikipedia

    en.wikipedia.org/wiki/Run-off_transcription

    To perform a run-off transcription assay, a gene of interest, including the promoter, is cloned into a plasmid. [4] The plasmid is digested at a known restriction enzyme cut site downstream from the transcription start site such that the expected mRNA run-off product would be easily separated by gel electrophoresis .

  9. GC box - Wikipedia

    en.wikipedia.org/wiki/GC_box

    In molecular biology, a GC box, also known as a GSG box, [1] is a distinct pattern of nucleotides found in the promoter region of some eukaryotic genes. The GC box is upstream of the TATA box, and approximately 110 bases upstream from the transcription initiation site.