The nonproton ligand of acid-sensing ion channel 3 activates mollusk-specific FaNaC channels via a mechanism independent of the native FMRFamide peptide
Yang X, Niu Y, Liu Y, Yang Y, Wang J, Cheng X, Liang H, Wang H, Hu Y, Lu X, Zhu M, Xu T, Tian Y, Yu Y. The nonproton ligand of acid-sensing ion channel 3 activates mollusk-specific FaNaC channels via a mechanism independent of the native FMRFamide peptide. Journal Of Biological Chemistry 2017, 292: 21662-21675. PMID: 29123030, PMCID: PMC5766947, DOI: 10.1074/jbc.m117.814707.Peer-Reviewed Original ResearchConceptsDEG/ENaCDegenerin/epithelial sodium channelIon channelsAcid-sensing ion channelsMammalian acid-sensing ion channelsSodium channelsDiverse functionsKey residuesEpithelial sodium channelFMRFamide peptidesAncient featureChannel gatingActivation mechanismDistinct mechanismsSubfamiliesMammalsENaCUnitary conductancePathological processesNew insightsNonproton ligandIon selectivityEndogenous agonistSynaptic transmissionFaNaC