Repressor
All > Science > Biotechnology and Genetics > Food Biotechnology
- A DNA-binding protein in prokaryotes that blocks gene transcription by binding to the operator.
Susan Allender-Hagedorn and Charles Hagedorn - Cite This Source - This Definition - A protein which binds to a specific DNA sequence upstream from the transcription initiation site of a gene and prevents RNA polymerase from commencing mRNA synthesis.
UN Food and Agriculture Organization - Cite This Source - This Definition - aflatoxins, CAAT box, Promoter, repression, sigma factor
- A protein that regulates a gene by turning it off. See also protein, gene
National Human Genome Research Institute - Cite This Source - This Definition - Alternative splicing, Domain, proteomics, Recombinant DNA molecules, Zinc-finger protein