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ESTScan v3.0.3 (Detect coding regions in DNA sequences)

ESTScan is a program that can detect coding regions in DNA sequences, even if they are of low quality. ESTScan will also detect and correct sequencing errors that lead to frameshifts.

ESTScan is not a gene prediction program , nor is it an open reading frame detector. In fact, its strength lies in the fact that it does not require an open reading frame to detect a coding region. As a result, the program may miss a few translated amino acids at either the N or the C terminus, but will detect coding regions with high selectivity and sensitivity.

ESTScan takes advantages of the bias in hexanucleotide usage found in coding regions relative to non-coding regions. This bias is formalized as an inhomogeneous 3-periodic fifth-order Hidden Markov Model (HMM). Additionally, the HMM of ESTScan has been extended to allows insertions and deletions when these improve the coding region statistics.

The use of ESTScan implies the creation of scores matrices which reflect the codons preferences in the studied organisms.
These matrices can be obtained by using some scripts, that can be found in the new estscan-3.0 tar ball, or in the estscan-devel RPM packages.

Source Files

Filename Size Changed Actions
estscan-3.0.3.tar.gz 45.3 KB almost 6 years ago Download File
estscan.spec 4.26 KB almost 6 years ago Download File

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