All
 D12 Amino Acids, Peptides, and Proteins D000602 +
 D12.776 Proteins D011506 +
 D12.776.157 Carrier Proteins D002352 +
 D12.776.157.530 Membrane Transport Proteins D026901 +
 D12.776.157.530.400 Ion Channels D007473 +
 D12.776.157.530.400.600 Potassium Channels D015221 +
 D12.776.157.530.400.600.900 Potassium Channels, Voltage-Gated D024642 
 D12.776.157.530.400.600.450 Potassium Channels, Inwardly Rectifying D024661 
 D12.776.157.530.400.600.150 Potassium Channels, Calcium-Activated D024681 
 D12.776.157.530.400.600.850 Potassium Channels, Tandem Pore Domain D024683