| cytokine receptor binding | GO:0005126 | 4.14 |
| signaling receptor activity | GO:0038023 | 2.49 |
| transforming growth factor beta receptor binding | GO:0005160 | 5.81 |
| cytokine binding | GO:0019955 | 5.21 |
| molecular transducer activity | GO:0060089 | 2.32 |
| macromolecular complex binding | GO:0044877 | 2.61 |
| binding | GO:0005488 | 0.18 |
| signal transducer activity | GO:0004871 | 2.28 |
| transforming growth factor beta binding | GO:0050431 | 6.97 |
| sulfur compound binding | GO:1901681 | 4.32 |
| growth factor binding | GO:0019838 | 4.89 |
| transmembrane receptor protein serine/threonine kinase activity | GO:0004675 | 6.91 |
| protein serine/threonine kinase activity | GO:0004674 | 3.64 |
| transferase activity | GO:0016740 | 1.95 |
| protein kinase activity | GO:0004672 | 3.27 |
| protein complex binding | GO:0032403 | 3.09 |
| type II transforming growth factor beta receptor binding | GO:0005114 | 7.79 |
| coreceptor activity | GO:0015026 | 6.1 |
| GO:0070123 | 9.74 |
| kinase activity | GO:0016301 | 2.93 |
| fibroblast growth factor binding | GO:0017134 | 6.52 |
| SMAD binding | GO:0046332 | 5.45 |
| catalytic activity | GO:0003824 | 1.05 |
| PDZ domain binding | GO:0030165 | 5.22 |
| protein domain specific binding | GO:0019904 | 3.32 |
| heparin binding | GO:0008201 | 4.68 |
| carbohydrate derivative binding | GO:0097367 | 2.03 |
| transferase activity, transferring phosphorus-containing groups | GO:0016772 | 2.77 |
| transforming growth factor beta-activated receptor activity | GO:0005024 | 7.44 |
| glycosaminoglycan binding | GO:0005539 | 4.42 |
| phosphotransferase activity, alcohol group as acceptor | GO:0016773 | 3.08 |
| transmembrane signaling receptor activity | GO:0004888 | 2.57 |
| activin binding | GO:0048185 | 7.25 |
| protein binding | GO:0005515 | 0.46 |
| receptor binding | GO:0005102 | 2.43 |
| transmembrane receptor protein kinase activity | GO:0019199 | 5.32 |
| transmembrane receptor activity | GO:0099600 | 2.53 |
| receptor activity | GO:0004872 | 2.32 |