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Reference.org
Acetylcholine receptor
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<p>An acetylcholine receptor (abbreviated AChR) or a cholinergic receptor is an <a href="/facts/Integral_membrane_protein/Vztpmlu1">integral membrane protein</a> that responds to the binding of <a href="/facts/Acetylcholine/v1d3wRUd">acetylcholine</a>, a <a href="/facts/Neurotransmitter/LlpYFSU3">neurotransmitter</a>. </p>