We have synthesized a potent, selective, radioiodinated antagonist of the human neurokinin-1 (NK1) receptor and have characterized its binding to the cloned receptor expressed in Chinese hamster ovary cells. (cis)-2-(Diphenylmethyl)-N-[(2-iodophenyl)-methyl]-1- azabicyclo[2.2.2]octan-3-amine (L-703606) inhibits binding of 125I-Tyr8-substance P to the human
The Journal of biological chemistry, 267(36), 25664-25667 (1992-12-25)
To identify the molecular determinants of ligand-receptor interactions, the extracellular domain of the human neurokinin-1 receptor was systematically substituted with the corresponding sequences from the other two neurokinin receptor subtypes. Three residues within the first extracellular segment and 2 residues
Midbrain dopamine (DA) neurons are slow pacemakers that maintain extracellular DA levels. During the interspike intervals, subthreshold slow depolarization underlies autonomous pacemaking and determines its rate. However, the ion channels that determine slow depolarization are unknown. Here we show that
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