Nat. Neurosci. 5, 837–838 (2002)

The authors wish to correct their supplementary methods online, which gave the wrong sources for three antibodies. The mouse anti-RIIα and anti-RIIβ antibodies were obtained from Transduction Laboratories (San Diego, California), and the rabbit anti-AKAP150 antibody was obtained from Santa Cruz Biotechnology (Santa Cruz, California).