| 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 |
| intracellular cAMP activated cation channel activity | GO:0005222 | 7.54 |
| molecular transducer activity | GO:0060089 | 2.32 |
| receptor activity | GO:0004872 | 2.32 |
| voltage-gated ion channel activity involved in regulation of postsynaptic membrane potential | GO:1905030 | 6.74 |
| substrate-specific channel activity | GO:0022838 | 3.67 |
| heterocyclic compound binding | GO:1901363 | 1.06 |
| nucleoside phosphate binding | GO:1901265 | 1.96 |
| sodium ion transmembrane transporter activity | GO:0015081 | 4.83 |
| ligand-gated ion channel activity | GO:0015276 | 4.8 |
| nucleotide binding | GO:0000166 | 1.96 |
| transmembrane transporter activity | GO:0022857 | 2.82 |
| voltage-gated cation channel activity | GO:0022843 | 4.83 |
| purine nucleotide binding | GO:0017076 | 2.19 |
| metal ion transmembrane transporter activity | GO:0046873 | 3.71 |
| identical protein binding | GO:0042802 | 2.63 |
| intracellular ligand-gated ion channel activity | GO:0005217 | 6.41 |
| sodium channel activity | GO:0005272 | 6.13 |
| voltage-gated potassium channel activity | GO:0005249 | 5.24 |
| inorganic cation transmembrane transporter activity | GO:0022890 | 3.49 |
| transporter activity | GO:0005215 | 2.57 |
| ion channel activity | GO:0005216 | 3.71 |
| ligand-gated channel activity | GO:0022834 | 4.8 |
| small molecule binding | GO:0036094 | 1.89 |
| transmembrane receptor activity | GO:0099600 | 2.53 |
| passive transmembrane transporter activity | GO:0022803 | 3.6 |
| cation transmembrane transporter activity | GO:0008324 | 3.32 |
| substrate-specific transmembrane transporter activity | GO:0022891 | 2.9 |
| cAMP binding | GO:0030552 | 6.56 |
| cyclic nucleotide binding | GO:0030551 | 6.13 |
| substrate-specific transporter activity | GO:0022892 | 2.72 |
| adenyl nucleotide binding | GO:0030554 | 2.4 |
| carbohydrate derivative binding | GO:0097367 | 2.03 |
| organic cyclic compound binding | GO:0097159 | 1.05 |
| 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 |
| adenyl ribonucleotide binding | GO:0032559 | 2.41 |
| gated channel activity | GO:0022836 | 3.96 |
| protein binding | GO:0005515 | 0.46 |
| voltage-gated sodium channel activity | GO:0005248 | 6.74 |
| purine ribonucleotide binding | GO:0032555 | 2.2 |
| voltage-gated ion channel activity | GO:0005244 | 4.49 |
| potassium ion transmembrane transporter activity | GO:0015079 | 4.77 |
| ribonucleotide binding | GO:0032553 | 2.19 |
| binding | GO:0005488 | 0.18 |