| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| RNF111 | SMAD2 | ENSPTRP00000012176 | ENSPTRP00000062376 | RNF111 isoform 5. | Mothers against decapentaplegic homolog. | 0.846 |
| RNF111 | SMAD3 | ENSPTRP00000012176 | ENSPTRP00000090625 | RNF111 isoform 5. | Mothers against decapentaplegic homolog. | 0.875 |
| RNF111 | SMAD4 | ENSPTRP00000012176 | ENSPTRP00000017047 | RNF111 isoform 5. | Mothers against decapentaplegic homolog. | 0.409 |
| RNF111 | SMAD6 | ENSPTRP00000012176 | ENSPTRP00000012318 | RNF111 isoform 5. | Mothers against decapentaplegic homolog. | 0.902 |
| RNF111 | SMAD7 | ENSPTRP00000012176 | ENSPTRP00000017016 | RNF111 isoform 5. | Mothers against decapentaplegic homolog. | 0.992 |
| RNF111 | SMURF2 | ENSPTRP00000012176 | ENSPTRP00000088535 | RNF111 isoform 5. | E3 ubiquitin-protein ligase. | 0.492 |
| SMAD1 | SMAD2 | ENSPTRP00000028297 | ENSPTRP00000062376 | Mothers against decapentaplegic homolog. | Mothers against decapentaplegic homolog. | 0.988 |
| SMAD1 | SMAD3 | ENSPTRP00000028297 | ENSPTRP00000090625 | Mothers against decapentaplegic homolog. | Mothers against decapentaplegic homolog. | 0.977 |
| SMAD1 | SMAD4 | ENSPTRP00000028297 | ENSPTRP00000017047 | Mothers against decapentaplegic homolog. | Mothers against decapentaplegic homolog. | 0.999 |
| SMAD1 | SMAD5 | ENSPTRP00000028297 | ENSPTRP00000080233 | Mothers against decapentaplegic homolog. | Mothers against decapentaplegic homolog. | 0.999 |
| SMAD1 | SMAD6 | ENSPTRP00000028297 | ENSPTRP00000012318 | Mothers against decapentaplegic homolog. | Mothers against decapentaplegic homolog. | 0.992 |
| SMAD1 | SMAD7 | ENSPTRP00000028297 | ENSPTRP00000017016 | Mothers against decapentaplegic homolog. | Mothers against decapentaplegic homolog. | 0.959 |
| SMAD1 | SMURF1 | ENSPTRP00000028297 | ENSPTRP00000047812 | Mothers against decapentaplegic homolog. | E3 ubiquitin-protein ligase. | 0.955 |
| SMAD1 | SMURF2 | ENSPTRP00000028297 | ENSPTRP00000088535 | Mothers against decapentaplegic homolog. | E3 ubiquitin-protein ligase. | 0.985 |
| SMAD1 | TGFBR1 | ENSPTRP00000028297 | ENSPTRP00000073078 | Mothers against decapentaplegic homolog. | Receptor protein serine/threonine kinase; Belongs to the protein kinase superfamily. TKL Ser/Thr protein kinase family. TGFB receptor subfamily. | 0.749 |
| SMAD2 | RNF111 | ENSPTRP00000062376 | ENSPTRP00000012176 | Mothers against decapentaplegic homolog. | RNF111 isoform 5. | 0.846 |
| SMAD2 | SMAD1 | ENSPTRP00000062376 | ENSPTRP00000028297 | Mothers against decapentaplegic homolog. | Mothers against decapentaplegic homolog. | 0.988 |
| SMAD2 | SMAD3 | ENSPTRP00000062376 | ENSPTRP00000090625 | Mothers against decapentaplegic homolog. | Mothers against decapentaplegic homolog. | 0.999 |
| SMAD2 | SMAD4 | ENSPTRP00000062376 | ENSPTRP00000017047 | Mothers against decapentaplegic homolog. | Mothers against decapentaplegic homolog. | 0.999 |
| SMAD2 | SMAD5 | ENSPTRP00000062376 | ENSPTRP00000080233 | Mothers against decapentaplegic homolog. | Mothers against decapentaplegic homolog. | 0.974 |
