In the above article [Bakker RA, Weiner DM, ter Laak T, Beuming T, Zuiderveld OP, Edelbroek M, Hacksell U, Timmerman H, Brann MR, and Leurs R (2004) Mol Pharmacol 65:538-549], the footnotes reporting the current addresses of two of the authors were incorrect. Those addresses should have been:

for T. ter Laak: CDCC/Computational Chemistry, Research Laboratories, Schering AG, Müllerstr. 178, 13342 Berlin-Wedding, Germany.

for T. Beuming: Department of Physiology and Biophysics, Mount Sinai School of Medicine, New York, NY 10029-6574.

We regret this error and apologize for any confusion or inconvenience it may have caused.