Recently, it has been discovered that the SH3 domain of the β subunit also gives added regulatory effects on channel function, opening the possibility of the β subunit having multiple regulatory interactions with the α1 subunit pore.
Recentemente, descubriuse que o dominio SH3 da subunidade β tamén ten efectos regulatorios adicionais sobre a función da canle, abrindo a posibilidade de que a subunidade β teña múltiples interaccións regulatorias coa subunidade α1 poro.