The alpha2delta subunits of voltage-gated calcium channels form GPI-anchored proteins, a posttranslational modification essential for function. - Davies A; Kadurin I; Alvarez-Laviada A; Douglas L; Nieto-Rostro M; Bauer CS; Pratt WS; Dolphin AC (Proceedings of the National Academy of Sciences of the United States of America, 2010)