| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,779,610,334 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
promoter |
Also found in: Dictionary/thesaurus, Medical, Legal, Wikipedia | 0.03 sec. |
|
promoter 1. Chem a substance added in small amounts to a catalyst to increase its activity 2. Genetics a sequence of nucleotides, associated with a structural gene, that must bind with messenger RNA polymerase before transcription can proceed promoter [prə′mōd·ər] (chemistry) A chemical which itself is a feeble catalyst, but greatly increases the activity of a given catalyst. (genetics) The site on deoxyribonucleic acid to which ribonucleic acid polymerase binds preparatory to initiating transcription of a gene or an operon. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | ? References in periodicals archive | ||
|---|---|---|---|
| MGMT normally plays a role in DNA repair, but when the promoter region near the MGMT gene acquires a group of methyl molecules, the gene switches off and MGMT production stops. In the promoter region, adjacent to a binding site for the transcription factor Sp1 (Deakin et al. The uses for this promoter region extend beyond controlled gene expression in skin cells. |
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|