基因Or12j2,也称为olfactory receptor family 12 subfamily J member 2,是一种嗅觉受体基因。嗅觉受体基因是一类编码嗅觉受体的基因,它们在嗅觉识别中起着至关重要的作用。嗅觉受体基因在人类基因组中数量众多,大约有1000个,分布在不同的染色体上。每个嗅觉受体基因编码一个蛋白质,这些蛋白质位于嗅觉神经细胞的细胞膜上,负责识别和响应不同的气味分子。
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