通道蛋白（channel protein）是横跨质膜的亲水性通道，允许适当大小的离子顺浓度梯度通过，故又称离子通道。有些通道蛋白形成的通道通常处于开放状态，如钾泄漏通道（leak channels，也叫 “resting potassium channels"），允许钾离子不断外流。有些通道蛋白平时处于关闭状态，即“门”不是连续开放的，仅在特定刺激下才打开，而且是瞬时开放瞬时关闭，在几毫秒的时间里，一些离子、代谢物或其他溶质顺着浓度梯度自由扩散通过细胞膜，这类通道蛋白又称为门通道（gated channel）。
通道蛋白
网络释义专业释义
双语例句原声例句
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通道是一类在外周和中枢神经系统分布很广泛的通道蛋白。
TRP (transient receptor potential) channels are widely distributed in the body including both peripheral and central nervous systems.
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瞬时受体电位(TRP)通道是一类广泛存在于各种细胞的通道蛋白。
Transient receptor potential (TRP) ion channels are widely distributed in different kinds of cells.
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水通道蛋白是对水专一的通道蛋白，普遍存在于动、植物及微生物中。
Aquaorins are integral membrane proteins occurring in mammals, plants, and microorganisms, which serve as channels that permit the bidirectional passage of water through cellular membranes.
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So, that is just a quick example for some of you, you might be very familiar with ion channels, others might not know what these are, so I'll just tell you quite briefly that ion channels are these very massive transmembrane proteins.
这对你们中的某些人来说仅仅是个小例子，有些人可能已经非常熟悉离子通道这个概念了，但有些人可能还不清楚，那么就让我来简单地介绍一下离子通道,就是这些巨大的跨膜蛋白。
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The one that's on the top here is called ligand-gated ion channel and an ion channel is a protein that sits in the surface of a cell.
最上面的这个叫作配体门控离子通道,离子通道是一类位于细胞表面的蛋白
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