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.
Cobimetinib是MEK1/2高选择性抑制剂。
MoreMycophenolate Mofetil是一种非竞争性的,选择性的,可逆的inosine monophosphate dehydrogenase I/II(次黄嘌呤核苷磷酸脱氢酶I/II)抑制剂, IC50分别为39 nM和27 nM。
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MoreNicorandil 钾离子通道活化剂。
MoreLY2603618是Chk1蛋白激酶选择性抑制剂,IC50为7 nM,是第一个进入临床实验的Chk1选择性抑制剂。
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