| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| SMAD2 | SMAD3 | ENSCATP00000001163 | ENSCATP00000002316 | Mothers against decapentaplegic homolog. | Mothers against decapentaplegic homolog. | 0.999 |
| SMAD2 | SMAD4 | ENSCATP00000001163 | ENSCATP00000036741 | Mothers against decapentaplegic homolog. | Mothers against decapentaplegic homolog. | 0.999 |
| SMAD2 | SMAD7 | ENSCATP00000001163 | ENSCATP00000028813 | Mothers against decapentaplegic homolog. | Mothers against decapentaplegic homolog. | 0.992 |
| SMAD2 | SMURF1 | ENSCATP00000001163 | ENSCATP00000006607 | Mothers against decapentaplegic homolog. | E3 ubiquitin-protein ligase. | 0.909 |
| SMAD2 | SMURF2 | ENSCATP00000001163 | ENSCATP00000027302 | Mothers against decapentaplegic homolog. | SMAD specific E3 ubiquitin protein ligase 2. | 0.990 |
| SMAD2 | TGFB1 | ENSCATP00000001163 | ENSCATP00000009334 | Mothers against decapentaplegic homolog. | Transforming growth factor beta; Belongs to the TGF-beta family. | 0.864 |
| SMAD2 | TGFB2 | ENSCATP00000001163 | ENSCATP00000012315 | Mothers against decapentaplegic homolog. | Transforming growth factor beta; Belongs to the TGF-beta family. | 0.697 |
| SMAD2 | TGFB3 | ENSCATP00000001163 | ENSCATP00000008257 | Mothers against decapentaplegic homolog. | Transforming growth factor beta; Belongs to the TGF-beta family. | 0.646 |
| SMAD2 | TGFBR1 | ENSCATP00000001163 | ENSCATP00000010933 | Mothers against decapentaplegic homolog. | Receptor protein serine/threonine kinase; Belongs to the protein kinase superfamily. TKL Ser/Thr protein kinase family. TGFB receptor subfamily. | 0.998 |
| SMAD2 | TGFBR2 | ENSCATP00000001163 | ENSCATP00000034434 | Mothers against decapentaplegic homolog. | TGF-beta receptor type-2; Transmembrane serine/threonine kinase forming with the TGF- beta type I serine/threonine kinase receptor, TGFBR1, the non- promiscuous receptor for the TGF-beta cytokines TGFB1, TGFB2 and TGFB3. Transduces the TGFB1, TGFB2 and TGFB3 signal from the cell surface to the cytoplasm and is thus regulating a plethora of physiological and pathological processes including cell cycle arrest in epithelial and hematopoietic cells, control of mesenchymal cell proliferation and differentiation, wound healing, extracellular matrix production, immunosuppression and carcinoge [...] | 0.986 |
| SMAD3 | SMAD2 | ENSCATP00000002316 | ENSCATP00000001163 | Mothers against decapentaplegic homolog. | Mothers against decapentaplegic homolog. | 0.999 |
| SMAD3 | SMAD4 | ENSCATP00000002316 | ENSCATP00000036741 | Mothers against decapentaplegic homolog. | Mothers against decapentaplegic homolog. | 0.999 |
| SMAD3 | SMAD7 | ENSCATP00000002316 | ENSCATP00000028813 | Mothers against decapentaplegic homolog. | Mothers against decapentaplegic homolog. | 0.991 |
| SMAD3 | SMURF1 | ENSCATP00000002316 | ENSCATP00000006607 | Mothers against decapentaplegic homolog. | E3 ubiquitin-protein ligase. | 0.946 |
| SMAD3 | SMURF2 | ENSCATP00000002316 | ENSCATP00000027302 | Mothers against decapentaplegic homolog. | SMAD specific E3 ubiquitin protein ligase 2. | 0.985 |
| SMAD3 | TGFB1 | ENSCATP00000002316 | ENSCATP00000009334 | Mothers against decapentaplegic homolog. | Transforming growth factor beta; Belongs to the TGF-beta family. | 0.886 |
| SMAD3 | TGFB2 | ENSCATP00000002316 | ENSCATP00000012315 | Mothers against decapentaplegic homolog. | Transforming growth factor beta; Belongs to the TGF-beta family. | 0.741 |
| SMAD3 | TGFB3 | ENSCATP00000002316 | ENSCATP00000008257 | Mothers against decapentaplegic homolog. | Transforming growth factor beta; Belongs to the TGF-beta family. | 0.667 |
| SMAD3 | TGFBR1 | ENSCATP00000002316 | ENSCATP00000010933 | Mothers against decapentaplegic homolog. | Receptor protein serine/threonine kinase; Belongs to the protein kinase superfamily. TKL Ser/Thr protein kinase family. TGFB receptor subfamily. | 0.997 |
| SMAD3 | TGFBR2 | ENSCATP00000002316 | ENSCATP00000034434 | Mothers against decapentaplegic homolog. | TGF-beta receptor type-2; Transmembrane serine/threonine kinase forming with the TGF- beta type I serine/threonine kinase receptor, TGFBR1, the non- promiscuous receptor for the TGF-beta cytokines TGFB1, TGFB2 and TGFB3. Transduces the TGFB1, TGFB2 and TGFB3 signal from the cell surface to the cytoplasm and is thus regulating a plethora of physiological and pathological processes including cell cycle arrest in epithelial and hematopoietic cells, control of mesenchymal cell proliferation and differentiation, wound healing, extracellular matrix production, immunosuppression and carcinoge [...] | 0.984 |