Crystal structure of human Interleukin-5 in complex with its alpha receptor
External Resource: Annotation
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
| Chains | Domain Info | Class | Fold | Superfamily | Family | Domain | Species | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| B | d3va2b_ | All alpha proteins | 4-helical cytokines | 4-helical cytokines | Short-chain cytokines | automated matches | human (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
| A | d3va2a_ | All alpha proteins | 4-helical cytokines | 4-helical cytokines | Short-chain cytokines | automated matches | human (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| C | IL6Ra-bind | e3va2C10 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: IL6Ra-bind | ECOD (1.6) |
| C | fn3_6 | e3va2C11 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: fn3_6 | ECOD (1.6) |
| B | IL5 | e3va2B1 | A: alpha bundles | X: Ferritin/Heme oxygenase/4-helical cytokines | H: 4-helical cytokines (From Topology) | T: 4-helical cytokines | F: IL5 | ECOD (1.6) |
| A | IL5 | e3va2A1 | A: alpha bundles | X: Ferritin/Heme oxygenase/4-helical cytokines | H: 4-helical cytokines (From Topology) | T: 4-helical cytokines | F: IL5 | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| C | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| B | 1.20.1250.10 | Mainly Alpha | Up-down Bundle | Growth Hormone | Chain: A | CATH (4.3.0) |
| A | 1.20.1250.10 | Mainly Alpha | Up-down Bundle | Growth Hormone | Chain: A | CATH (4.3.0) |
IMGT Antibody Annotation IMGT Database Homepage
| Chain | Protein Name | Description | Organism Name | Gene Allele Name(s) | Domain Name(s) | Receptor Type | Receptor Description | Provenance Source |
|---|---|---|---|---|---|---|---|---|
| IL5R (Interleukin-5 receptor) | 3F-DOMAIN | Homo sapiens (human) | IL5RA*01 | F-LIKE-DOMAIN F-DOMAIN | RPI | 3F-DOMAIN | IMGT (202546-0) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF09240 | Interleukin-6 receptor alpha chain, binding (IL6Ra-bind) | Interleukin-6 receptor alpha chain, binding | Members of this family adopt a structure consisting of an immunoglobulin-like beta-sandwich, with seven strands in two beta-sheets, in a Greek-key topology. They are required for binding to the cytokine Interleukin-6 [1]. | Domain | |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR015321 | Type I cytokine receptor, cytokine-binding domain | Domain | |
| IPR003961 | Fibronectin type III | Domain | |
| IPR013783 | Immunoglobulin-like fold | Homologous Superfamily | |
| IPR003532 | Short hematopoietin receptor, family 2, conserved site | Conserved Site | |
| IPR036116 | Fibronectin type III superfamily | Homologous Superfamily | |
| IPR000186 | Interleukin-5 | Family | |
| IPR009079 | Four-helical cytokine-like, core | Homologous Superfamily |














