Analysis of the membrane topology of the acid-sensing ion channel 2a.

Abstract excerpt

Acid-sensing ion channels, or ASICs, are members of the amiloride-sensitive cationic channel superfamily that are predicted to have intracellular amino and carboxyl termini and two transmembrane domains connected by a large extracellular loop. This prediction comes from biochemical studies of the mammalian epithelial sodium channels where glycosylation mutants identified the extracellular regions of the channel...

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