Crystal Structure of a Smad4-Ski Complex
External Resource: Annotation
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| A | SCOP2B Superfamily | SMAD/FHA domain-like | 8041255 | 3000137 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | SMAD/FHA domain-like | 8041255 | 3000137 | SCOP2B (2022-06-29) |
| C | SCOP2 Family | SMAD4-binding domain of oncoprotein Ski | 8031381 | 4003188 | SCOP2 (2022-06-29) |
| C | SCOP2 Superfamily | SAND domain-like | 8043759 | 3000421 | SCOP2 (2022-06-29) |
| D | SCOP2B Superfamily | SAND domain-like | 8043759 | 3000421 | SCOP2B (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| A | MH2 | e1mr1A1 | A: beta sandwiches | X: SMAD/FHA domain (From Topology) | H: SMAD/FHA domain (From Topology) | T: SMAD/FHA domain | F: MH2 | ECOD (1.6) |
| B | MH2 | e1mr1B1 | A: beta sandwiches | X: SMAD/FHA domain (From Topology) | H: SMAD/FHA domain (From Topology) | T: SMAD/FHA domain | F: MH2 | ECOD (1.6) |
| C | c-SKI_SMAD_bind | e1mr1C1 | A: beta barrels | X: SH3 | H: SAND (From Topology) | T: SAND | F: c-SKI_SMAD_bind | ECOD (1.6) |
| D | c-SKI_SMAD_bind | e1mr1D1 | A: beta barrels | X: SH3 | H: SAND (From Topology) | T: SAND | F: c-SKI_SMAD_bind | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| A | 2.60.200.10 | Mainly Beta | Sandwich | Tumour Suppressor Smad4 | CATH (4.3.0) | |
| B | 2.60.200.10 | Mainly Beta | Sandwich | Tumour Suppressor Smad4 | CATH (4.3.0) | |
| C | 3.10.390.10 | Alpha Beta | Roll | SAND domain | SAND domain-like | CATH (4.3.0) |
| D | 3.10.390.10 | Alpha Beta | Roll | SAND domain | SAND domain-like | CATH (4.3.0) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF03166 | MH2 domain (MH2) | MH2 domain | - | Family | |
| PF08782 | c-SKI Smad4 binding domain (c-SKI_SMAD_bind) | c-SKI Smad4 binding domain | c-SKI is an oncoprotein that inhibits TGF-beta signaling through interaction with Smad proteins [1]. This domain binds to Smad4 [2] | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR013019 | MAD homology, MH1 | Domain | |
| IPR013790 | Dwarfin | Family | |
| IPR003619 | MAD homology 1, Dwarfin-type | Domain | |
| IPR008984 | SMAD/FHA domain superfamily | Homologous Superfamily | |
| IPR036578 | SMAD MH1 domain superfamily | Homologous Superfamily | |
| IPR017855 | SMAD-like domain superfamily | Homologous Superfamily | |
| IPR001132 | SMAD domain, Dwarfin-type | Domain | |
| IPR009061 | Putative DNA-binding domain superfamily | Homologous Superfamily | |
| IPR047315 | Ski oncogene-like, Dachshund-homology domain | Domain | |
| IPR010919 | SAND-like domain superfamily | Homologous Superfamily | |
| IPR023216 | Transcription regulator SKI/SnoN | Family | |
| IPR037000 | Ski-like, DNA-binding domain superfamily | Homologous Superfamily | |
| IPR003380 | SKI/SNO/DAC domain | Domain | |
| IPR014890 | c-SKI SMAD4-binding domain | Domain |














