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transcription factor regulation inferred from integrating genome-wide ChIP-X experiments. database: website [4] CIS-BP collection of transcription factor binding sites models inferred by binding domains. database: website [5] CistromeMap a knowledgebase and web server for ChIP-Seq and DNase-Seq studies in mouse and human. database: website [6 ...
The DNA binding sites of 519 transcription factors were evaluated. [50] Of these, 169 transcription factors (33%) did not have CpG dinucleotides in their binding sites, and 33 transcription factors (6%) could bind to a CpG-containing motif but did not display a preference for a binding site with either a methylated or unmethylated CpG.
DNA binding sites can be categorized according to their biological function. Thus, we can distinguish between transcription factor-binding sites, restriction sites and recombination sites. Some authors have proposed that binding sites could also be classified according to their most convenient mode of representation. [3]
Regulatory elements are binding sites for transcription factors, which are involved in gene regulation. [1] Cis-regulatory modules perform a large amount of developmental information processing. [1] Cis-regulatory modules are non-random clusters at their specified target site that contain transcription factor binding sites. [1]
Phylogenetic footprinting is a technique used to identify transcription factor binding sites (TFBS) within a non-coding region of DNA of interest by comparing it to the orthologous sequence in different species. When this technique is used with a large number of closely related species, this is called phylogenetic shadowing. [1]
An EGR1 transcription factor binding site is frequently located in enhancer or promoter sequences. [23] There are about 12,000 binding sites for EGR1 in the mammalian genome and about half of EGR1 binding sites are located in promoters and half in enhancers. [23]
Compared to ChIP-chip, ChIP-seq data can be used to locate the binding site within few tens of base pairs of the actual protein binding site. Tag densities at the binding sites are a good indicator of protein–DNA binding affinity, [14] which makes it easier to quantify and compare binding affinities of a protein to different DNA sites. [15]
Transcription factors (TFs) are proteins that bind DNA and thus regulate the trasncription process. The binding is sequence-specific. A sequence motif [5] is a model that describes the common pattern of the DNA binding sites [6] that a particular TF prefers to bind.