Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
A [auth B]d7ldjb1 Alpha and beta proteins (a+b) SARS receptor-binding domain-like SARS receptor-binding domain-like SARS receptor-binding domain-like Spike protein S1 2019-nCoV (Severe acute respiratory syndrome coronavirus 2 ) [TaxId: 2697049 ], SCOPe (2.08)
A [auth B]d7ldjb2 Artifacts Tags Tags Tags C-terminal Tags 2019-nCoV (Severe acute respiratory syndrome coronavirus 2 ) [TaxId: 2697049 ], SCOPe (2.08)
B [auth A]d7ldja1 Alpha and beta proteins (a+b) SARS receptor-binding domain-like SARS receptor-binding domain-like SARS receptor-binding domain-like Spike protein S1 2019-nCoV (Severe acute respiratory syndrome coronavirus 2 ) [TaxId: 2697049 ], SCOPe (2.08)
B [auth A]d7ldja2 Artifacts Tags Tags Tags C-terminal Tags 2019-nCoV (Severe acute respiratory syndrome coronavirus 2 ) [TaxId: 2697049 ], SCOPe (2.08)
Cd7ldjc1 Alpha and beta proteins (a+b) SARS receptor-binding domain-like SARS receptor-binding domain-like SARS receptor-binding domain-like Spike protein S1 2019-nCoV (Severe acute respiratory syndrome coronavirus 2 ) [TaxId: 2697049 ], SCOPe (2.08)
Cd7ldjc2 Artifacts Tags Tags Tags C-terminal Tags 2019-nCoV (Severe acute respiratory syndrome coronavirus 2 ) [TaxId: 2697049 ], SCOPe (2.08)
Dd7ldjd_ Alpha and beta proteins (a+b) SARS receptor-binding domain-like SARS receptor-binding domain-like SARS receptor-binding domain-like Spike protein S1 2019-nCoV (Severe acute respiratory syndrome coronavirus 2 ) [TaxId: 2697049 ], SCOPe (2.08)
Ed7ldje1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches alpaca (Vicugna pacos ) [TaxId: 30538 ], SCOPe (2.08)
Ed7ldje2 Artifacts Tags Tags Tags N-terminal Tags alpaca (Vicugna pacos ) [TaxId: 30538 ], SCOPe (2.08)
Fd7ldjf1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches alpaca (Vicugna pacos ) [TaxId: 30538 ], SCOPe (2.08)
Fd7ldjf2 Artifacts Tags Tags Tags N-terminal Tags alpaca (Vicugna pacos ) [TaxId: 30538 ], SCOPe (2.08)
Gd7ldjg1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches alpaca (Vicugna pacos ) [TaxId: 30538 ], SCOPe (2.08)
Gd7ldjg2 Artifacts Tags Tags Tags N-terminal Tags alpaca (Vicugna pacos ) [TaxId: 30538 ], SCOPe (2.08)
Hd7ldjh1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches alpaca (Vicugna pacos ) [TaxId: 30538 ], SCOPe (2.08)
Hd7ldjh2 Artifacts Tags Tags Tags N-terminal Tags alpaca (Vicugna pacos ) [TaxId: 30538 ], SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
A [auth B]SCOP2B SuperfamilySARS coronavirus receptor-binding domain-like 8092467 3001706 SCOP2B (2022-06-29)
B [auth A]SCOP2B SuperfamilySARS coronavirus receptor-binding domain-like 8092467 3001706 SCOP2B (2022-06-29)
CSCOP2B SuperfamilySARS coronavirus receptor-binding domain-like 8092467 3001706 SCOP2B (2022-06-29)
DSCOP2B SuperfamilySARS coronavirus receptor-binding domain-like 8092467 3001706 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
A [auth B]Spike_rec_binde7ldjB1 A: a+b three layersX: Coronavirus spike protein receptor-binding domain (From Homology)H: Coronavirus spike protein receptor-binding domainT: Beta-coronavirus spike protein receptor-binding domainF: Spike_rec_bindECOD (1.6)
B [auth A]Spike_rec_binde7ldjA1 A: a+b three layersX: Coronavirus spike protein receptor-binding domain (From Homology)H: Coronavirus spike protein receptor-binding domainT: Beta-coronavirus spike protein receptor-binding domainF: Spike_rec_bindECOD (1.6)
CSpike_rec_binde7ldjC1 A: a+b three layersX: Coronavirus spike protein receptor-binding domain (From Homology)H: Coronavirus spike protein receptor-binding domainT: Beta-coronavirus spike protein receptor-binding domainF: Spike_rec_bindECOD (1.6)
DSpike_rec_binde7ldjD1 A: a+b three layersX: Coronavirus spike protein receptor-binding domain (From Homology)H: Coronavirus spike protein receptor-binding domainT: Beta-coronavirus spike protein receptor-binding domainF: Spike_rec_bindECOD (1.6)
EV-set_8e7ldjE1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)
FV-set_8e7ldjF1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)
GV-set_8e7ldjG1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)
HV-set_8e7ldjH1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
E2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
F2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
G2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
H2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
E, F, G, H
Heavy ChainIGHV1 -spike glycoproteinSAbDab (2025-02-07)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A [auth B],
B [auth A],
C,
D
PF09408Betacoronavirus spike glycoprotein S1, receptor binding (bCoV_S1_RBD)Betacoronavirus spike glycoprotein S1, receptor bindingThis entry represents the receptor binding domain (S1 RBD) of the betacoronavirus spike glycoprotein. The spike glycoprotein is arranged in trimers on the surface of the viral membrane and is essential for viral entry. The spike protein is translat ...Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A [auth B],
B [auth A],
C,
D
Spike glycoprotein
E, F, G, H
Nanobody 2---