Identification of a distinct desensitisation gate in the ATP-gated P2X2 receptor.

Abstract excerpt

P2X receptors are trimeric ATP-gated ion channels. In response to ATP binding, conformational changes lead to opening of the channel and ion flow. Current flow can decline during continued ATP binding in a process called desensitisation. The rate and extent of desensitisation is affected by multiple factors, for instance the T18A mutation in P2X2 makes the ion channel fast desensitising. We have used this...

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