Anti-E(spI) antibodies can be readily obtained from commercial sources. The E(spI) protein is a reported synonym for the human gene TLE4, encoding TLE family member 4, transcriptional corepressor. The full-length protein is 83,755 daltons in mass with 4 identified isoforms. This protein is a member of the WD repeat Groucho/TLE family. Visit the antibody supplier page for key details, including validated applications and target specificity.