| substrate-specific transmembrane transporter activity | GO:0022891 | 2.9 |
| choline transmembrane transporter activity | GO:0015220 | 7.79 |
| substrate-specific transporter activity | GO:0022892 | 2.72 |
| quaternary ammonium group transmembrane transporter activity | GO:0015651 | 7.66 |
| ammonium transmembrane transporter activity | GO:0008519 | 6.91 |
| monoamine transmembrane transporter activity | GO:0008504 | 7.54 |
| organic cyclic compound binding | GO:0097159 | 1.05 |
| neurotransmitter transporter activity | GO:0005326 | 6.52 |
| cation transmembrane transporter activity | GO:0008324 | 3.32 |
| lipid binding | GO:0008289 | 3.26 |
| ion transmembrane transporter activity | GO:0015075 | 3.04 |
| transmembrane transporter activity | GO:0022857 | 2.82 |
| organic hydroxy compound transmembrane transporter activity | GO:1901618 | 6.02 |
| organic cation transmembrane transporter activity | GO:0015101 | 7.34 |
| binding | GO:0005488 | 0.18 |
| transporter activity | GO:0005215 | 2.57 |
| steroid binding | GO:0005496 | 5.24 |
| active transmembrane transporter activity | GO:0022804 | 3.85 |
| dopamine transmembrane transporter activity | GO:0005329 | 8.13 |