GO:0005216 ion channel activity
GO:0005249 voltage-gated potassium channel activity
GO:0005783 endoplasmic reticulum
GO:0006810 transport
GO:0006811 ion transport
GO:0006813 potassium ion transport
GO:0009624 response to nematode
GO:0010163 high-affinity potassium ion import
GO:0016020 membrane
GO:0016021 integral component of membrane
GO:0055085 transmembrane transport