Or51ah3,也称为Olfactory receptor family 51 subfamily A member 3,是一种位于人类染色体11p15.5上的基因。它编码一个嗅觉受体蛋白,属于G蛋白偶联受体(GPCR)家族。嗅觉受体蛋白在嗅觉信号传导中起关键作用,它们通过识别环境中的化学信号来触发神经信号,从而引发嗅觉感知。Or51ah3的表达主要在鼻腔嗅觉上皮细胞中,但它也可能在其他类型的细胞中表达。
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