12417195 pseudomotifs Digging Deep for Ancient Relics: A Survey of Protein Motifs in the Intergenic Sequences of Four Eukaryotic Genomes Z Zhang, P Harrison, M Gerstein. J. Mol. Biol. (2002) 323, 811-822 2002 http://papers.gersteinlab.org/e-print/pseudomotifs/zhang-gerstein-jmb2002.pdf http://bioinfo.mbb.yale.edu/genome/pseudogene/motif/ keck,nesg,mem pseudogenes