In some cases, receptor activation caused by ligand binding to a receptor is directly coupled to the cell's response to the ligand. For example, the neurotransmitter GABA can activate a cell surface receptor that is part of an ion channel. GABA binding to a GABAA receptor on a neuron opens a chloride-selective ion channel that is part of the receptor. GABAA receptor activation allows negatively charged chloride ions to move into the neuron, which inhibits the ability of the neuron to produce action potentials.
D-AP5是活性选择性 NMDA 拮抗剂是DL-AP5的更加活性的形式。
MoreCyprodime hydrochloride是选择性 μ 拮抗剂。
MoreCYM 5520是选择性 S1P2 变构的激动剂(allosteric agonist)。
MoreCYM 5442 hydrochloride是选择性S1P1受体激动剂。
MoreCYM 50308是活性选择性 S1P4 激动剂。
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