Young JM, Luche RM, Trask BJ.

BMC Genomics. 2011 Nov 15;12:561.

Rigorous and thorough bioinformatic analyses of olfactory receptor promoters confirm enrichment of O/E and homeodomain binding sites but reveal no new common motifs.

Also found a TATA box, in line with Plessy et al. and in contrary to Clowney et al.