Structure of tetrameric sIgA complex (Class 2)
External Resource: Annotation
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| C | Chlor_dismutase | e6ue9C1 | A: a/b three-layered sandwiches | X: Family A G protein-coupled receptor-like | H: beta-sandwich domain in metalloprotease stcE | T: beta-sandwich domain in metalloprotease stcE | F: Chlor_dismutase | ECOD (v294.1) |
| J [auth L] | Chlor_dismutase | e6ue9L1 | A: a/b three-layered sandwiches | X: Family A G protein-coupled receptor-like | H: beta-sandwich domain in metalloprotease stcE | T: beta-sandwich domain in metalloprotease stcE | F: Chlor_dismutase | ECOD (v294.1) |
| I [auth K] | Chlor_dismutase | e6ue9K1 | A: a/b three-layered sandwiches | X: Family A G protein-coupled receptor-like | H: beta-sandwich domain in metalloprotease stcE | T: beta-sandwich domain in metalloprotease stcE | F: Chlor_dismutase | ECOD (v294.1) |
| H | Chlor_dismutase | e6ue9H1 | A: a/b three-layered sandwiches | X: Family A G protein-coupled receptor-like | H: beta-sandwich domain in metalloprotease stcE | T: beta-sandwich domain in metalloprotease stcE | F: Chlor_dismutase | ECOD (v294.1) |
| G [auth E] | Chlor_dismutase | e6ue9E1 | A: a/b three-layered sandwiches | X: Family A G protein-coupled receptor-like | H: beta-sandwich domain in metalloprotease stcE | T: beta-sandwich domain in metalloprotease stcE | F: Chlor_dismutase | ECOD (v294.1) |
| F [auth G] | Chlor_dismutase | e6ue9G1 | A: a/b three-layered sandwiches | X: Family A G protein-coupled receptor-like | H: beta-sandwich domain in metalloprotease stcE | T: beta-sandwich domain in metalloprotease stcE | F: Chlor_dismutase | ECOD (v294.1) |
| E [auth F] | Chlor_dismutase | e6ue9F1 | A: a/b three-layered sandwiches | X: Family A G protein-coupled receptor-like | H: beta-sandwich domain in metalloprotease stcE | T: beta-sandwich domain in metalloprotease stcE | F: Chlor_dismutase | ECOD (v294.1) |
| B | Chlor_dismutase | e6ue9B1 | A: a/b three-layered sandwiches | X: Family A G protein-coupled receptor-like | H: beta-sandwich domain in metalloprotease stcE | T: beta-sandwich domain in metalloprotease stcE | F: Chlor_dismutase | ECOD (v294.1) |
| A | Chlor_dismutase | e6ue9A1 | A: a/b three-layered sandwiches | X: Family A G protein-coupled receptor-like | H: beta-sandwich domain in metalloprotease stcE | T: beta-sandwich domain in metalloprotease stcE | F: Chlor_dismutase | ECOD (v294.1) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| J [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| I [auth K] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| H | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| G [auth E] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| F [auth G] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| E [auth F] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| B | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| A | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
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 |
|---|---|---|---|---|---|---|---|---|
| PIGR (Polymeric immunoglobulin receptor) | 1V-LIKE | Homo sapiens (human) | PIGR | V-LIKE-DOMAIN V-LIKE | RPI | PIGR | IMGT (202611-0) | |
| Fc IgG2 | CH2-CH3 | Homo sapiens (human) | IGHA2*01, IGHA2*03 | C-DOMAIN CH2 | IG | CH2-CH3 | IMGT (202611-0) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF07686 | Immunoglobulin V-set domain (V-set) | Immunoglobulin V-set domain | This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. | Domain | |
| PF07654 | Immunoglobulin C1-set domain (C1-set) | Immunoglobulin C1-set domain | Domain | ||
| PF00047 | Immunoglobulin domain (ig) | Immunoglobulin domain | Members of the immunoglobulin superfamily are found in hundreds of proteins of different functions. Examples include antibodies, the giant muscle kinase titin and receptor tyrosine kinases. Immunoglobulin-like domains may be involved in protein-prote ... | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR024110 | Immunoglobulin J chain | Family | |
| IPR036179 | Immunoglobulin-like domain superfamily | Homologous Superfamily | |
| IPR013783 | Immunoglobulin-like fold | Homologous Superfamily | |
| IPR013106 | Immunoglobulin V-set domain | Domain | |
| IPR003599 | Immunoglobulin domain subtype | Domain | |
| IPR007110 | Immunoglobulin-like domain | Domain | |
| IPR050671 | CD300 family immune receptors | Family | |
| IPR036179 | Immunoglobulin-like domain superfamily | Homologous Superfamily | |
| IPR003597 | Immunoglobulin C1-set | Domain | |
| IPR003006 | Immunoglobulin/major histocompatibility complex, conserved site | Conserved Site | |
| IPR013151 | Immunoglobulin-like beta-sandwich domain | Domain | |
| IPR050380 | Immune Recognition and Response Modulators | Family | |
| IPR013783 | Immunoglobulin-like fold | Homologous Superfamily | |
| IPR007110 | Immunoglobulin-like domain | Domain |














