| cation channel activity | GO:0005261 | 4.04 |
| calcium channel activity | GO:0005262 | 5.03 |
| binding | GO:0005488 | 0.18 |
| substrate-specific channel activity | GO:0022838 | 3.67 |
| calcium ion transmembrane transporter activity | GO:0015085 | 4.89 |
| divalent inorganic cation transmembrane transporter activity | GO:0072509 | 4.62 |
| voltage-gated cation channel activity | GO:0022843 | 4.83 |
| passive transmembrane transporter activity | GO:0022803 | 3.6 |
| metal ion transmembrane transporter activity | GO:0046873 | 3.71 |
| transporter activity | GO:0005215 | 2.57 |
| ion channel activity | GO:0005216 | 3.71 |
| cation transmembrane transporter activity | GO:0008324 | 3.32 |
| 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 |
| transmembrane transporter activity | GO:0022857 | 2.82 |
| channel activity | GO:0015267 | 3.6 |
| gated channel activity | GO:0022836 | 3.96 |
| protein binding | GO:0005515 | 0.46 |
| voltage-gated calcium channel activity | GO:0005245 | 6.0 |
| voltage-gated ion channel activity | GO:0005244 | 4.49 |