Walker AK, See R, Batchelder C, Kophengnavong T, Gronniger T, Shi Y, Blackwell K. A conserved transcription motif suggesting functional parallels between Caenorhabditis elegans SKN-1 and Cap ‘n’Collar-related basic leucine zipper proteins. Journal of Biological Chemistry. 2000;275(29):22166–22171.