... 5079HA-tagged GABAB1receptors, when these were cotrans-fected with WT GABAB2(data not shown). The c-myc-CaR/HA-CaR, c-myc-CaRD1036-Rluc/HA-CaRD1036-GFP2and c-myc-CaRD886-Rluc/HA-CaRD886-GFP2transfected ... Bra¨uner-Osborne, H., Jensen, A. A., Sheppard, P.O., O’Hara, P. &Krogsgaard-Larsen, P. (1999) The agonist-binding domain of the calcium-sensing receptor is located at the amino-terminal domain.J. Biol. Chem. ... expression of tsA cells transfected with c-myc-CaR/HA-CaR, c-myc-CaRD1036-Rluc/HA-CaRD1036-GFP2and c-myc-CaRD886-Rluc/HA-CaRD886-GFP2, respectively. The transfected tsAcells were prepared as described...