| cytokine receptor binding | GO:0005126 | 4.14 |
| ubiquitin-like protein transferase activity | GO:0019787 | 3.69 |
| ubiquitin protein ligase activity | GO:0061630 | 4.47 |
| transforming growth factor beta receptor binding | GO:0005160 | 5.81 |
| ligase activity | GO:0016874 | 3.72 |
| SMAD binding | GO:0046332 | 5.45 |
| catalytic activity | GO:0003824 | 1.05 |
| transferase activity | GO:0016740 | 1.95 |
| binding | GO:0005488 | 0.18 |
| protein binding | GO:0005515 | 0.46 |
| receptor binding | GO:0005102 | 2.43 |
| ubiquitin-protein transferase activity | GO:0004842 | 3.73 |
| identical protein binding | GO:0042802 | 2.63 |
| ubiquitin-like protein ligase activity | GO:0061659 | 4.44 |