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Package: pscan-chip (1.1-2)

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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.

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Download for all available architectures
Architecture Package Size Installed Size Files
alpha (unofficial port) 85.5 kB193.0 kB [list of files]
amd64 80.8 kB180.0 kB [list of files]
arm64 76.7 kB160.0 kB [list of files]
armel 75.6 kB150.0 kB [list of files]
armhf 75.2 kB130.0 kB [list of files]
hppa (unofficial port) 83.3 kB169.0 kB [list of files]
i386 84.1 kB186.0 kB [list of files]
m68k (unofficial port) 80.1 kB174.0 kB [list of files]
mips 81.6 kB184.0 kB [list of files]
mips64el 82.8 kB199.0 kB [list of files]
mipsel 82.3 kB184.0 kB [list of files]
powerpcspe (unofficial port) 82.1 kB246.0 kB [list of files]
ppc64 (unofficial port) 83.6 kB248.0 kB [list of files]
ppc64el 82.8 kB248.0 kB [list of files]
riscv64 (unofficial port) 79.6 kB145.0 kB [list of files]
s390x 77.4 kB172.0 kB [list of files]
sh4 (unofficial port) 90.4 kB163.0 kB [list of files]
sparc64 (unofficial port) 75.9 kB172.0 kB [list of files]
x32 (unofficial port) 80.7 kB170.0 kB [list of files]