Package: pscan-chip (1.1-3 and others)

[ Source: pscan-chip  ]

ChIP-based identifcation of TF binding sites

Regulation of transcription is one of the main check points of gene expression regulation and plays a key role in fundamental processes like cellular differentiation and dynamic molecular responses to stimuli The transcriptional activity of genes is finely regulated by the interaction of sequence elements on the DNA (transcription factor binding sites or TFBSs) and particular proteins called Transcription Factors (TFs).

TFBSs are usually clustered in specific regulatory genomic regions called promoters and enhancers. TFs usually recognize TFBSs in a loose sequence specific fashion but there is no computational way to determine if any given sequence motif on the DNA is actually bound in-vivo by a TF, even when the motif is an istance of the sequences typically bound by the TF itself.

Tools like Pscan and PscanChIP analyse a set of regulatory sequences to detect motif enrichment. The rationale is that if a given TFBS is present in a "surpisingly high" number of istances then there is a good chance that the TF that recognize that motif is a common regulator of the input sequences, thus they use redundancy as an information source.

While Pscan (of the pscan-tfbs package) is tailored to work on promoters, that is the regulatory regions upstream of transcription start sites, PscanChIP is suited to work on more general regulatory genomic regions like the ones identified through ChIP-Seq experiments.

Other Packages Related to pscan-chip

• dep: libc6 (>= 2.34)

  GNU C-bibliotek: Delte biblioteker
  also a virtual package provided by libc6-udeb

• dep: libgcc-s1 (>= 3.5)

  GCC støttebibliotek

• dep: libgsl27 (>= 2.7.1)

  GNU Scientific Library (GSL) - bibliotekspakke

• dep: libstdc++6 (>= 11)

  GNU Standard C++ bibliotek v3

• rec: pscan-chip-data

  Ekstra data for PScan-ChIP

• sug: pscan-tfbs

  search for transcription factor binding sites

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Architecture	Version	Package Size	Installed Size	Files
armel	1.1-3+b2	78.9 kB	247.0 kB	[list of files]