4WWI
Crystal structure of the C domain of staphylococcal protein A in complex with the Fc fragment of human IgG at 2.3 Angstrom resolution
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 | Bacterial immunoglobulin/albumin-binding domains | 8091648 | 3001373 | SCOP2B (2022-06-29) |
B | SCOP2B Superfamily | Bacterial immunoglobulin/albumin-binding domains | 8091648 | 3001373 | SCOP2B (2022-06-29) |
C | SCOP2B Superfamily | Bacterial immunoglobulin/albumin-binding domains | 8091648 | 3001373 | 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 | B | e4wwiA1 | A: alpha bundles | X: immunoglobulin/albumin-binding domain-like | H: Bacterial immunoglobulin/albumin-binding domains (From Topology) | T: Bacterial immunoglobulin/albumin-binding domains | F: B | ECOD (1.6) |
B | B | e4wwiB1 | A: alpha bundles | X: immunoglobulin/albumin-binding domain-like | H: Bacterial immunoglobulin/albumin-binding domains (From Topology) | T: Bacterial immunoglobulin/albumin-binding domains | F: B | ECOD (1.6) |
C | B | e4wwiC1 | A: alpha bundles | X: immunoglobulin/albumin-binding domain-like | H: Bacterial immunoglobulin/albumin-binding domains (From Topology) | T: Bacterial immunoglobulin/albumin-binding domains | F: B | ECOD (1.6) |
D | C1-set | e4wwiD2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set | ECOD (1.6) |
D | C1-set_1 | e4wwiD1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_1 | ECOD (1.6) |
E | C1-set | e4wwiE1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set | ECOD (1.6) |
E | C1-set_1 | e4wwiE2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_1 | ECOD (1.6) |
F | C1-set | e4wwiF1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set | ECOD (1.6) |
F | C1-set_1 | e4wwiF2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_1 | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
---|---|---|---|---|---|---|
A | 1.20.5.420 | Mainly Alpha | Up-down Bundle | Single alpha-helices involved in coiled-coils or other helix-helix interfaces | Immunoglobulin FC, subunit C | CATH (4.3.0) |
B | 1.20.5.420 | Mainly Alpha | Up-down Bundle | Single alpha-helices involved in coiled-coils or other helix-helix interfaces | Immunoglobulin FC, subunit C | CATH (4.3.0) |
C | 1.20.5.420 | Mainly Alpha | Up-down Bundle | Single alpha-helices involved in coiled-coils or other helix-helix interfaces | Immunoglobulin FC, subunit C | CATH (4.3.0) |
D | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
E | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
F | 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 |
---|---|---|---|---|---|---|---|---|
Fc-gamma3 (IGHG3) | CH2-CH3 | Homo sapiens (human) | IGHG3*11, IGHG3*12 | C-DOMAIN CH2, C-DOMAIN CH3 | IG | FC-GAMMA-3 | IMGT (202438-0) |
Protein Family Annotation Pfam Database Homepage
Chains | Accession | Name | Description | Comments | Source |
---|---|---|---|---|---|
PF02216 | B domain (B) | B domain | This family contains the B domain of Staphylococcal protein A, which specifically binds to the Fc portion of immunoglobulin G. | Domain | |
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
Chains | Accession | Name | Type |
---|---|---|---|
IPR009063 | Immunoglobulin/albumin-binding domain superfamily | Homologous Superfamily | |
IPR005877 | YSIRK Gram-positive signal peptide | Domain | |
IPR036779 | LysM domain superfamily | Homologous Superfamily | |
IPR005038 | Octapeptide repeat | Repeat | |
IPR003132 | Protein A, Ig-binding domain | Domain | |
IPR018392 | LysM domain | Domain | |
IPR019931 | LPXTG cell wall anchor domain | Domain | |
IPR036179 | Immunoglobulin-like domain superfamily | Homologous Superfamily | |
IPR050380 | Immune Recognition and Response Modulators | Family | |
IPR003597 | Immunoglobulin C1-set | Domain | |
IPR013783 | Immunoglobulin-like fold | Homologous Superfamily | |
IPR007110 | Immunoglobulin-like domain | Domain | |
IPR003006 | Immunoglobulin/major histocompatibility complex, conserved site | Conserved Site |
Pharos: Disease Associations Pharos Homepage Annotation
Chains | Drug Target   | Associated Disease |
---|---|---|
P01860 | :