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A transcriptional activator is a protein (transcription factor) that increases transcription of a gene or set of genes. [1] Activators are considered to have positive control over gene expression, as they function to promote gene transcription and, in some cases, are required for the transcription of genes to occur.
Tat stands for "Trans-Activator of Transcription". The protein consists of between 86 and 101 amino acids depending on the subtype. [3] Tat vastly increases the level of transcription of the HIV dsDNA. Before Tat is present, a small number of RNA transcripts will be made, which allow the Tat protein to be produced.
Transcription activator-like effectors (TALEs) can be engineered to bind to practically any desired DNA sequence, so when combined with a nuclease, DNA can be cut at specific locations. [1] The restriction enzymes can be introduced into cells, for use in gene editing or for genome editing in situ , a technique known as genome editing with ...
Illustration of an activator. In molecular biology, a transcription factor (TF) (or sequence-specific DNA-binding factor) is a protein that controls the rate of transcription of genetic information from DNA to messenger RNA, by binding to a specific DNA sequence.
[7] [8] [9] This enhancer, located in the large intron, provided an explanation for the transcriptional activation of rearranged Vh gene promoters while unrearranged Vh promoters remained inactive. [10] Lately, enhancers have been shown to be involved in certain medical conditions, for example, myelosuppression. [11]
TAL (transcription activator-like) effectors (often referred to as TALEs, but not to be confused with the three amino acid loop extension homeobox class of proteins) are proteins secreted by some β-and γ-proteobacteria. [1] Most of these are Xanthomonads.
The transactivation domain or trans-activating domain (TAD) is a transcription factor scaffold domain which contains binding sites for other proteins such as transcription coregulators.
20665 Ensembl ENSG00000100146 ENSMUSG00000033006 UniProt P56693 Q04888 RefSeq (mRNA) NM_006941 NM_011437 RefSeq (protein) NP_008872 NP_035567 Location (UCSC) Chr 22: 37.97 – 37.99 Mb Chr 15: 79.04 – 79.05 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Transcription factor SOX-10 is a protein that in humans is encoded by the SOX10 gene. Function This gene encodes a member of the ...