- GABA(A) receptor cell surface number and subunit stability are regulated by the ubiquitin-like protein Plic-1. Bedford, F.K., Kittler, J.T., Muller, E., Thomas, P., Uren, J.M., Merlo, D., Wisden, W., Triller, A., Smart, T.G., Moss, S.J. Nat. Neurosci. (2001)