1P9M
Crystal structure of the hexameric human IL-6/IL-6 alpha receptor/gp130 complex
External Resource: Annotation
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
Chains | Domain Info | Class | Fold | Superfamily | Family | Domain | Species | Provenance Source (Version) |
---|---|---|---|---|---|---|---|---|
A | d1p9ma1 | All beta proteins | Immunoglobulin-like beta-sandwich | Fibronectin type III | Fibronectin type III | Cytokine receptor gp130 cytokine-binding domains | human (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
B | d1p9mb_ | All alpha proteins | 4-helical cytokines | 4-helical cytokines | Long-chain cytokines | Interleukin-6 | human (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
C | d1p9mc1 | All beta proteins | Immunoglobulin-like beta-sandwich | Fibronectin type III | Fibronectin type III | Interleukin-6 receptor alpha chain, domains 2 and 3 | human (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
---|---|---|---|---|---|
A | SCOP2B Superfamily | Fibronectin type III | 8055533 | 3002063 | SCOP2B (2022-06-29) |
A | SCOP2B Superfamily | Fibronectin type III | 8055145 | 3002063 | SCOP2B (2022-06-29) |
B | SCOP2B Superfamily | 4-helical cytokines | 8037068 | 3001717 | SCOP2B (2022-06-29) |
C | SCOP2B Superfamily | Fibronectin type III | 8055539 | 3002063 | SCOP2B (2022-06-29) |
C | SCOP2B Superfamily | Fibronectin type III | 8055153 | 3002063 | 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 | IL6Ra-bind | e1p9mA1 | 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) |
A | Lep_receptor_Ig | e1p9mA3 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Lep_receptor_Ig | ECOD (1.6) |
A | fn3_6 | e1p9mA2 | 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 | IL6 | e1p9mB1 | A: alpha bundles | X: Ferritin/Heme oxygenase/4-helical cytokines | H: 4-helical cytokines (From Topology) | T: 4-helical cytokines | F: IL6 | ECOD (1.6) |
C | IL6Ra-bind | e1p9mC1 | 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 | e1p9mC2 | 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) |
Domain Annotation: CATH CATH Database Homepage
Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
---|---|---|---|---|---|---|
A | 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) |
C | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | 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 |
---|---|---|---|---|---|---|---|---|
IL6ST (Interleukin-6 receptor subunit beta) | 1C-LIKE-2F-DOMAIN | Homo sapiens (human) | IL6ST | C-LIKE-DOMAIN C-LIKE, F-LIKE-DOMAIN F-DOMAIN | RPI | 1C-LIKE-2F-DOMAIN | IMGT (202442-0) | |
IL6R (Interleukin-6 receptor subunit alpha) | 2F-DOMAIN | Homo sapiens (human) | IL6R | F-LIKE-DOMAIN F-DOMAIN | RPI | 2F-DOMAIN | IMGT (202442-0) |
Protein Family Annotation Pfam Database Homepage
Chains | Accession | Name | Description | Comments | Source |
---|---|---|---|---|---|
PF00041 | Fibronectin type III domain (fn3) | Fibronectin type III domain | - | Domain | |
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 | |
PF06328 | Ig-like C2-type domain (Lep_receptor_Ig) | Ig-like C2-type domain | This domain is a ligand-binding immunoglobulin-like domain [1]. The two cysteine residues form a disulphide bridge. | Domain | |
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 |