| potassium channel activity | GO:0005267 | 4.94 |
| cation channel activity | GO:0005261 | 4.04 |
| cyclic nucleotide-gated ion channel activity | GO:0043855 | 7.34 |
| intracellular cyclic nucleotide activated cation channel activity | GO:0005221 | 7.34 |
| molecular transducer activity | GO:0060089 | 2.32 |
| receptor activity | GO:0004872 | 2.32 |
| substrate-specific channel activity | GO:0022838 | 3.67 |
| ligand-gated ion channel activity | GO:0015276 | 4.8 |
| transmembrane transporter activity | GO:0022857 | 2.82 |
| voltage-gated cation channel activity | GO:0022843 | 4.83 |
| delayed rectifier potassium channel activity | GO:0005251 | 6.15 |
| metal ion transmembrane transporter activity | GO:0046873 | 3.71 |
| cation transmembrane transporter activity | GO:0008324 | 3.32 |
| transporter activity | GO:0005215 | 2.57 |
| ion channel activity | GO:0005216 | 3.71 |
| intracellular ligand-gated ion channel activity | GO:0005217 | 6.41 |
| passive transmembrane transporter activity | GO:0022803 | 3.6 |
| substrate-specific transmembrane transporter activity | GO:0022891 | 2.9 |
| inorganic cation transmembrane transporter activity | GO:0022890 | 3.49 |
| substrate-specific transporter activity | GO:0022892 | 2.72 |
| ion transmembrane transporter activity | GO:0015075 | 3.04 |
| voltage-gated channel activity | GO:0022832 | 4.49 |
| monovalent inorganic cation transmembrane transporter activity | GO:0015077 | 3.87 |
| channel activity | GO:0015267 | 3.6 |
| gated channel activity | GO:0022836 | 3.96 |
| voltage-gated potassium channel activity | GO:0005249 | 5.24 |
| ligand-gated channel activity | GO:0022834 | 4.8 |
| voltage-gated ion channel activity | GO:0005244 | 4.49 |
| potassium ion transmembrane transporter activity | GO:0015079 | 4.77 |
| transmembrane receptor activity | GO:0099600 | 2.53 |