| signal transducer activity | GO:0004871 | 2.28 |
| protease binding | GO:0002020 | 5.08 |
| growth factor receptor binding | GO:0070851 | 4.87 |
| platelet-derived growth factor receptor binding | GO:0005161 | 7.1 |
| GO:0004909 | 9.05 |
| enzyme binding | GO:0019899 | 2.27 |
| glutamate receptor binding | GO:0035254 | 6.13 |
| ionotropic glutamate receptor binding | GO:0035255 | 6.56 |
| molecular transducer activity | GO:0060089 | 2.32 |
| transmembrane signaling receptor activity | GO:0004888 | 2.57 |
| GO:0004908 | 7.79 |
| receptor activity | GO:0004872 | 2.32 |
| protein binding | GO:0005515 | 0.46 |
| signaling receptor activity | GO:0038023 | 2.49 |
| receptor binding | GO:0005102 | 2.43 |
| cytokine receptor activity | GO:0004896 | 5.24 |
| transmembrane receptor activity | GO:0099600 | 2.53 |
| binding | GO:0005488 | 0.18 |