Spermine is fit to block inward rectifier (Kir) channels.
Stanfield
Peter R
PR
Sutcliffe
Michael J
MJ
D000818:Animals; D006801:Humans; D026902:Potassium Channel Blockers / Q000378:metabolism* / Q000494:pharmacology; D024661:Potassium Channels, Inwardly Rectifying / Q000037:antagonists & inhibitors / Q000737:chemistry / Q000378:metabolism*; D013096:Spermine / Q000378:metabolism* / Q000494:pharmacology
D026902:Potassium Channel Blockers; D024661:Potassium Channels, Inwardly Rectifying; D013096:Spermine