PESX: Putative Exonic Splicing Enhancers/Silencers

-- Find PESEs and PESSs in your sequence

Raw data can be found at the following links:  PESEs PESSs Z-scores of all octamers, PESX statistic

An Excel spreadsheet (7 MB) that automatically displays a profile of PESX scores for all 8-mers along a sequence, as well as the locations of RESCUE-ESE and fasHEX3 ESS motifs, can be downloaded here.  A screenshot is here.

Thresholds (default 2.62)

EP or SP (absolute values): EI or SI (absolute values):

Please paste your sequences here (maximum 10K bases in Fasta or plain text format):

Please cite "Zhang and Chasin, 2004, Genes and Development 18(11):1241-1250" and "Zhang et al., 2005, Molecular and Cellular Biology 25(16):7323-7332", if you find this page useful.

This page is maintained by Larry Chasin ( Please address your questions, comments and remarks there.