1FC2
Crystallographic Refinement and Atomic Models of a Human FC Fragment and its Complex with Fragment B of Protein A from Staphylococcus Aureus at 2.9-and 2.8-Angstroms Resolution
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 [auth C] | d1fc2c_ | All alpha proteins | immunoglobulin/albumin-binding domain-like | Bacterial immunoglobulin/albumin-binding domains | Immunoglobulin-binding protein A modules | Immunoglobulin-binding protein A modules | (Staphylococcus aureus subsp. aureus NCTC 8325 ) [TaxId: 93061 ], | SCOPe (2.08) |
B [auth D] | d1fc2d1 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | C1 set domains (antibody constant domain-like) | Immunoglobulin heavy chain gamma constant domain 2, CH2-gamma | human (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
B [auth D] | d1fc2d2 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | C1 set domains (antibody constant domain-like) | Immunoglobulin heavy chain gamma constant domain 3, CH3-gamma | 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) |
---|---|---|---|---|---|
B [auth D] | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8091523 | 3000071 | SCOP2B (2022-06-29) |
B [auth D] | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8091521 | 3000071 | 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 [auth C] | B | e1fc2C1 | 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 [auth D] | C1-set | e1fc2D1 | 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) |
B [auth D] | C1-set_1 | e1fc2D2 | 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 [auth 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) |
B [auth D] | 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 |
---|---|---|---|---|---|---|---|---|
B [auth D] | Staphylococcus aureus protein A, fragment B::CH2-CH3 gamma1 | CH2-CH3 | Homo sapiens (human) | IGHG1*01, IGHG1*02, IGHG1*03, IGHG1*04, IGHG1*05 | C-DOMAIN CH2, C-DOMAIN CH3 | IG | (CH2-CH3) | IMGT (202449-0) |
Protein Family Annotation Pfam Database Homepage
Chains | Accession | Name | Description | Comments | Source |
---|---|---|---|---|---|
B [auth D] | 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 |
---|---|---|---|
A [auth C] | IPR009063 | Immunoglobulin/albumin-binding domain superfamily | Homologous Superfamily |
A [auth C] | IPR005877 | YSIRK Gram-positive signal peptide | Domain |
A [auth C] | IPR036779 | LysM domain superfamily | Homologous Superfamily |
A [auth C] | IPR005038 | Octapeptide repeat | Repeat |
A [auth C] | IPR003132 | Protein A, Ig-binding domain | Domain |
A [auth C] | IPR018392 | LysM domain | Domain |
A [auth C] | IPR019931 | LPXTG cell wall anchor domain | Domain |
B [auth D] | IPR036179 | Immunoglobulin-like domain superfamily | Homologous Superfamily |
B [auth D] | IPR050380 | Immune Recognition and Response Modulators | Family |
B [auth D] | IPR003597 | Immunoglobulin C1-set | Domain |
B [auth D] | IPR013783 | Immunoglobulin-like fold | Homologous Superfamily |
B [auth D] | IPR007110 | Immunoglobulin-like domain | Domain |
B [auth D] | IPR003006 | Immunoglobulin/major histocompatibility complex, conserved site | Conserved Site |