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What is Tachykinin Receptor?

    Cell surface proteins that bind tachykinins with high affinity and trigger intracellular changes influencing the behavior of cells. Three classes of tachykinin receptors have been characterized, the NK-1; NK-2; and NK-3; which prefer, respectively, substance P, neurokinin A (substance K, neurokinin alpha, neuromedin L), and neurokinin B (neurokinin beta, neuromedin K).