Immunoblots (7.5% gel SDS/PAGE) of proteins from rat retina
(R), cerebellum (C), and liver (L) membrane preparations, probed with
antibodies raised against the AMPA receptor subunits GluR1 and GluR2.
Numbers and arrowheads (Left) indicate the position and
relative molecular mass (kDa) of the standards. pAb, polyclonal
antiserum; mAb, monoclonal antibody.