IgE-Fc in complex with HAE
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| L [auth F] | G-gamma | e7shzF1 | A: alpha bundles | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: G-gamma | ECOD (develop294) |
| G [auth J] | G-gamma | e7shzJ1 | A: alpha bundles | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: G-gamma | ECOD (develop294) |
| F [auth D] | G-gamma | e7shzD1 | A: alpha bundles | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: G-gamma | ECOD (develop294) |
| E [auth L] | G-gamma | e7shzL1 | A: alpha bundles | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: G-gamma | ECOD (develop294) |
| K [auth E] | G-gamma | e7shzE1 | A: alpha bundles | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: G-gamma | ECOD (develop294) |
| D [auth I] | G-gamma | e7shzI1 | A: alpha bundles | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: G-gamma | ECOD (develop294) |
| C | G-gamma | e7shzC1 | A: alpha bundles | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: G-gamma | ECOD (develop294) |
| B [auth K] | G-gamma | e7shzK1 | A: alpha bundles | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: G-gamma | ECOD (develop294) |
| J [auth G] | G-gamma | e7shzG1 | A: alpha bundles | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: G-gamma | ECOD (develop294) |
| I [auth H] | G-gamma | e7shzH1 | A: alpha bundles | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: G-gamma | ECOD (develop294) |
| H [auth A] | G-gamma | e7shzA1 | A: alpha bundles | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: G-gamma | ECOD (develop294) |
| A [auth B] | G-gamma | e7shzB1 | A: alpha bundles | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: G-gamma | ECOD (develop294) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| L [auth F] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| G [auth J] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| F [auth D] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| E [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| K [auth E] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| D [auth I] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| C | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| B [auth K] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| E [auth L], F [auth D], G [auth J], L [auth F] | Light Chain | IGKV1 | Kappa | ige fc | SAbDab (2026-03-20) |
| B [auth K], C, D [auth I], K [auth E] | Heavy Chain | IGHV3 | - | ige fc | SAbDab (2026-03-20) |
Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage
| Chain | Name | Target | Provenance Source |
|---|---|---|---|
| E [auth L], F [auth D], G [auth J], L [auth F] | Omalizumab | IGHE | Therapeutic SAbDab (2026-03-20) |
| B [auth K], C, D [auth I], K [auth E] | Omalizumab | IGHE | Therapeutic SAbDab (2026-03-20) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| A [auth B], H [auth A], I [auth H], J [auth G] | PF07654 | Immunoglobulin C1-set domain (C1-set) | Immunoglobulin C1-set domain | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
Pharos: Disease Associations Pharos Homepage Annotation
| Chains | Drug Target   | Associated Disease |
|---|---|---|
| A [auth B], H [auth A], I [auth H], J [auth G] | :  P01854 |














