This version of oPOSSUM is based on EnsEMBL release 57 (March 2010).
For oPOSSUM Release 2.0 (2008), click here.
Ho Sui SJ, Fulton DL, Arenillas DJ, Kwon AT, Wasserman WW. oPOSSUM: integrated tools for analysis of regulatory motif over-representation. Nucleic Acids Res. 2007 Jul;35(Web Server issue):W245-52. Epub 2007 Jun 18. [View Abstract]
Ho-Sui SJ, Mortimer J, Arenillas DJ, Brumm J, Walsh CJ, Kennedy BP and Wasserman WW. oPOSSUM: Identification of over-represented transcription factor binding sites in co-expressed genes. Nucleic Acids Res. 2005 Jun 2;33(10):3154-64. [View Abstract]