Description of the database can be found in the following papers and users of DoOP and DoOPSearch are requested to cite one of the following articles as the source of information :

Endre Barta, Endre Sebestyén, Tamás B. Pálfy, Gábor Tóth, Csaba P. Ortutay, and László Patthy
DoOP: Databases of Orthologous Promoters, collections of clusters of orthologous upstream sequences from chordates and plants
Nucl. Acids Res. 2005, Vol 33, Database issue D86-D90

Endre Sebestyén, Tibor Nagy, Sándor Suhai and Endre Barta
DoOPSearch: a web-based tool for finding and analysing common conserved motifs in the promoter regions of different chordate and plant genes
BMC Bioinformatics 2009, 10 (Suppl 6):S6