Transcription factors are proteins which regulate the expression of genes. They are divided into two groups: The group of the general transcription factors which are present in every transcription and the special transcription factors, which are present in specific tissues or cells.

learn more… | top users | synonyms

0
votes
1answer
68 views

what is the biggest known functional distance between an enhancer and its target gene (TSS) in cis?

since the title seems self explanatory; It would be nice if anybody could provide a reference. I'm looking for a paper that I belive stated around 1.5 Mb but anything above will be cordialy welcomed. ...
2
votes
1answer
43 views

Number of autoregulation and FFL motifs in a network

Suppose we have a network with N* nodes (N* is the number of internal nodes). Every directed link in this network exists with probability p. What would be the number of: motifs that are ...
3
votes
1answer
48 views

How can I re-format my DNA motifs' position weight matrices?

I am working with a set of DNA motifs that are predicted as potential regulatory motifs (e.g. transcription factor binding sites). The motifs belong to several species, and I wanted to cluster these ...
6
votes
4answers
279 views

How many transcription factors are there?

In molecular biology and genetics, a transcription factor is a protein that binds to specific DNA sequences, thereby controlling the flow (or transcription) of genetic information from DNA to ...