| potassium channel activity | GO:0005267 | 4.94 |
| cation channel activity | GO:0005261 | 4.04 |
| binding | GO:0005488 | 0.18 |
| substrate-specific channel activity | GO:0022838 | 3.67 |
| cation binding | GO:0043169 | 1.4 |
| potassium ion binding | GO:0030955 | 7.03 |
| transmembrane transporter activity | GO:0022857 | 2.82 |
| ion binding | GO:0043167 | 1.36 |
| 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 |
| metal ion binding | GO:0046872 | 1.41 |
| voltage-gated potassium channel activity | GO:0005249 | 5.24 |
| transporter activity | GO:0005215 | 2.57 |
| ion channel activity | GO:0005216 | 3.71 |
| cation transmembrane transporter activity | GO:0008324 | 3.32 |
| 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 |
| alkali metal ion binding | GO:0031420 | 6.69 |
| 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 |
| protein binding | GO:0005515 | 0.46 |
| voltage-gated ion channel activity | GO:0005244 | 4.49 |
| potassium ion transmembrane transporter activity | GO:0015079 | 4.77 |